How to Convert an Android App to iOS App and Why You Definitely Need It

11 March 2022 Writer: Lera Grechanik 3736 views

There’s a mobile strategy, which is more or less common for the major part of the businesses. The main point of the strategy is to start with one platform and convert an app to another one, later on, scaling gradually. The reasons why it happens are pretty simple. First and foremost—lack of resources. The second one is closer to marketing and is about reaching customers and trying out new communication channels. The second reason appears mostly when the business owners have doubts regarding the potential outcome. This way or another,  the business comes to the idea that converting an app to another platform might bring some additional outcomes. The story is pretty similar to a lot of brands, including Instagram. They converted the app to Android only 4 years after it was initially launched. So it was done when the outcome became really gross. If you want more examples to look at, consider Airbnb. The app was converted a year after the initial launch. And it was done mostly to increase the mobile presence. If it is your reason too, don’t skip this article on porting Android to iOS

In the previous article, we've already considered transporting iOS to Android and its reasons, so today we gonna turn to vice versa.

4 Reasons Why Porting Android to iOS Will Help Your Business Grow

We are sure that most of our readers already have an idea about the benefits they can get from converting an android app to iOS. If so, jump straight to the next parts, where experts explain how the converting process should be handled. In case you still have doubts or want to have a clearer vision of the situation, feel free to read further about the reasons for converting an Android app to iOS

#1. Turn the whole world into your potential users

There are two players in the mobile market—Android and iOS. And, let’s be honest, the alternative is not visible in the near future. Both these platforms are and will be the only parties, sharing the market, in recent years or perhaps even decades. Let’s allow figures to speak for themselves about the advantages of converting Android to iOS for the business

  • 68% of the whole market is grasped by Android, so it simply dominates the market
  • Having 30%, iOS, however, is still a more powerful player than the rest of the platforms. Marketing does its deed

In simple words, in case your app will be converted for the alternative platform, you will literally cover the whole market because Android and iOS have 98% potential customers in total.

#2. Reach new markets

The second point comes from the first one. If the app is available for both platforms, it means not just full market coverage. It means much more—a possibility to dominate new markets, new cities and countries, and even new segments of the target audience. 

It is vivid and clear when we are talking about the shift from iOS to Android. Furthermore, it opens huge possibilities and undercovers the potential of Asian and Eastern European markets, not talking about Africa and South America. 

If you do vice versa, you will get better coverage in North America and Eastern Europe because iOS devices are preferred there

#3. Provide yourself with a higher profitability

Though selecting a monetization model is of great importance, when we’re talking about revenue from an app. Still, Regardless of the monetization model you use, it is clear that having an app for two platforms is more profitable than having an app just for one platform. You can literally make more money. But how exactly will the income be boosted? Let’s have a look.

  • In-app ads work perfectly for Android apps because they are free and cover a major part of the market
  • For iOS in-app purchases work better because the audience is willingly paying for additional features and content. 

It leads to another fact worth considering—having twice less iOS used than Android ones, you can generate the same income or even hit the new goal of getting revenue.

4 two is better than one

The advantages of having two apps instead of one are obvious, but let’s still sum up a bit:

  • 2 revenue sources, not one
  • 2 marketing tools to use and strategies to implement, getting  more profit
  • 2 communication channels to get feedback from the users 

We can continue this list, making it pretty huge, but the main idea seems to be clear enough. The field you are working in and the kind of app does not matter here—in the long run, you will get benefits from having two apps instead of one this way or that. Here you might say, ok, but how does one process the whole deal? What does the converting cover and what does it have under the hood? Check the next paragraph and see.

How to convert Android code to iOS: Basics

It would be perfect if we had some converter where you could convert an app by pressing the button. But does such a service exist? Unfortunately, not yet. The platforms differ and each of them has its own peculiarities, so it’s impossible to process the conversion with one click. One of the best and the most obvious options is to create a second app, a separate product, and work with it in marketing terms. The only exception is when you use some framework like React Native or its competitors

It might seem that shifting an app from one platform to another is something like the old good of converting a PDF to DOCX or something like that. Unfortunately (or not?), it’s not even close. 

If you ask us what metaphor can be used, we would pick the process of building the house. Imagine you have two separate patches of land (which will represent the platforms). And if you want to build a house on each of them, you should do it two times. Simple copying does not work here. The second house will be built from scratch, the same as the second app. We have some good news, however.

  • The development will be faster because the team will have an example to start with, and this example is your app for the alternative platform, the one you have created already.
  • Support will not become an issue too if you pick a professional agency as the service provider. If the agency really has a good hand in shifting and converting apps from one platform to another, it can provide complete high-quality support. 

As it was mentioned, the tool allows to convert the app to an alternative platform does not exist. But having an example in hand, the development team can process the launch faster. Here are some tips we have come to in Celadonsoft out of our experience in converting apps. Have a look.

Tip 1: Modern technologies and programming languages up to date

There are two programming languages used for mobile development under iOS, - Swift and Objective-C. If we are talking about Android, the programming languages to work with are Java and Kotlin. But Swift and Kotlin are relatively “young”, so they have some common features, making shifts easier for the developer. Among the common features are:

  • Some parts of the code can be copied and corrected a bit, though the languages are not identical. In any case, it is faster than writing the whole code from scratch. 
  • The common syntax allows developers to understand the code in both languages, even without actual skill in programming. 

For you, it means that if the app was written using one of the modern languages, the developers can adapt it for another platform faster and with ease. So technically converting takes less time. Hence, it will be cheaper as the project estimations are affected by the developer’s hourly rates.

Tip 2: Platform specific code and business logic are separated  

To take the maximum out of the first advice, the developers will distinguish the features related to business logic and the ones which are specific to the platform. 

The UI part is mostly “ruled” by the platform-specific code.

With this knowledge, the priorities can be set according to the business needs. However, it has a huge impact on the estimations and they're correct and adequate. One might ask a question if it is possible to discard this part and work only with the business-related features. The answer is no—the platform-specific code is the thing making the app look native.

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How to convert iOS code to Android: code porting tips

It might seem that converting an app to an alternative platform is just about rewriting the code and reusing the code snippets, common for both (if any). But when it comes to the point, the reality turns out quite different. We have collected the list of pitfalls you might meet and some advice on how to cope with them.

What is to be done with different programming languages?

As we have already pointed out, a magic tool for converting does not exist because of the process complexity. Programming languages used for Android and iOS are key differences to consider while converting Android app to iOS. It is impossible to even with similar languages like Swift and Kotlin, having a lot in common in their syntax. The time of conversion depends on a lot of factors, and language peculiarities are just one of them. 

The good news, however, is the following one. Yes, the languages are not identical. But they're having a lot in common allowing us to minimize the time needed to port an Android app written in Swift to one in Kotlin and vice versa with barely any corrections. The magic key is a so-called comparable syntax, so the developers can understand the code of each other even if they do not work with some particular language.

How to handle the difference in operating systems

It surely is worth considering. But the most important thing here is the OS version. The users do not update the versions and their reasons are different. So it is not the best idea ever to make an app for the latest version. You won’t like it and you, technically, shouldn’t, but the only way out here is to create an app, that works well with all OS versions from the very beginning.

Statistics say that in spite of Android and iOS dominating the market, there are 4 other OSes used. The chart below is the best way to get the idea.

The good news, however, is the following one. Yes, it will take more time and effort. But if you are working with the professional development team, there will be no issues and troubles with creating an app, working well on all the actual versions.  The same situation is with adjusting the app for a new OS—a high-skilled developer will do it as easy as a pie. 

Cover as many OS as you can, and expand your market presence.

At the same time, there’s no need to cover all the OS that exist in the world at the moment. A couple of versions for iOS, some for Android, starting with the 5.0 version and that’s it.

Screen sizes and resolutions: tops and best practices

Another thing that should be taken into account is the difference between screen sizes and resolutions for the devices. Not surprisingly, statistics is pretty much the same as the one for OS distribution.

The good news, however, is the following one. There’s no need to develop the mockups and adjust the app for all 20+ screen resolutions for Android. The magic key is density. Just pick 5-7 most commonly used resolutions and the system will do all the adjustments on its own. Of course, the list of differences is not limited to the screen sizes and resolutions but these points should be handled precisely. 


Now it's time to talk about one of the most important parts of any app - design.

Android design vs iOS design: interface differences

The interfaces of Apple and Google are completely different and it was done for a purpose as well. It led to better audience coverage and reached some other marketing goals, but at the same time, it added some pain for the developers and designers in case of converting an app from one platform to another. It means that one can’t simply reuse the layouts and design. Concept differences, related to the approaches of the companies, are the main “why not” reason. Google uses a material design approach, while Apple works with HIG (Human Interface Guidelines). The best way to see the difference is to have a look at two examples put next to each other. 

  1. Object placement is the main difference. A hierarchical arrangement of objects works for material design. Just on the contrary, the objects in Apple designs look flush.

  2. Lists. Apple added arrows on the left side, while Android implemented custom icons.

  3. Navbar. For iOS, the titles are centered, for Android - placed on the left side. The difference in the height of the element is also pretty huge - the height for Android is bigger in comparison with the same realization for Apple.

  4. Look at the data pickers and you will get the main idea here too. Android's date picker is more about tapping; a date picker of iOS is more about scrolling.

  5. Typography is here, too. San Francisco is a default font for iOS, and Roboto is a common choice of default font for Android. They look pretty similar but they're not the same.

  6. Tab bars. Do not forget about them if you want an app to look really native. Tab bars in Android are on the top of the screen, however, it’s possible to switch the screens simply by shifting from right to left. What do you think, about where the tabs are in iOS? Of course at the very bottom. Customized icons are also here to supplement the element.

     

     

  7. Icon shapes. Because of the strict rules set by iOS, you can't simply reuse the icons because the ones for Android will not meet the requirements of the ones for iOS. 

The part about the differences is over. But there’s yet one more step of converting an android app to ios, you simply can’t avoid and must not skip while converting an app from one platform to its alternative. And this part is testing.


 

Testing: do not underestimate the final step

Testing is essential, though some business owners who want to save up some funds try to skip this part or hate checking some critical functionality only. Testing ensures that all the requirements are covered, as well as everything that has been mentioned. 

If the testing phase is skipped or shortened because of a lack of budget the user gets a raw product with typical bugs. If the user is not satisfied with the product, he stops using it and goes to the competitors, picking the competing product. Not the best scenario, right? As a rule, QA processes take up to 30% of all the development cycle time.


 

So our article is close to its ending, and now we are pretty sure you have grasped the idea of the classical way how the conversion from Android to iOS(and vice versa) flows. But in other words, the process can be described as “Building another app for another platform with as little effort as possible”. But if you are looking for a solution with a shared codebase, it's ok—our developers can do it too.

Conclusion

The article is over and as always we would like to sum up a bit, providing you with the conclusion: 

  1. There’s no tool, allowing you to convert an app for another platform in one click. No, they do not exist. Yes, they do not exist at all. 
  2. The second app should be developed separately or written with the cross-platform framework. Thus, the time and effort will not be that significant. 
  3. From our side, we would kindly recommend you work with a development agency. The reason is simple -the team in the agency has all the needed skills to process the conversion and cope with the appearing challenges. As a rule, post-release support is also included in the set of services. 

If you’re looking for a Tech-Team, which will help with the iOS to Android migration or vice versa, feel free to reach out.  We fully understand the idea to start an app with one OS and later convert it to another one. One fact remains, it’s definitely worth trying to switch OS.  In the long run, it will pay off because you will be able to attract new paying users.

The process of converting the app will require more effort and time than if you were creating the app from scratch. Our team has ported tons of Android apps into iOS and thus, helped the clients to open new markets for their businesses. Our developers are aware of all the nitty-gritty of both operating systems.

We’ll be happy to port your business app from one platform to another.

Areas of responsibility - brand and growth marketing. Strongly believes that software development is an art and marketing is not just about sales but about sharing your passion. Her educational background in the field of business and marketing allows her to create expert content and help others to grow and expand knowledge.

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FAQ
01.
Will I benefit from porting Android to iOS?
Lera
Lera
Copywriter

Porting Android to iOS may become a tool to make a splash. You can attract a massive number of new users as both OS cover practically the entire mobile app market.

Yet, two apps are better than one. Android apps tend to have a bigger amount of downloads. iOS are more money-rewarding as users lean towards making in-app purchases. Two apps fill a higher bill. 

We believe porting reaps benefits and always recommend converting Android to iOS.

 

 

02.
How to convert an Android to iOS in a click?
Sanya
Sanya
Project Manager

Sadly, the magic button for quick shifting hasn't been invented and is not expected down the road, as the programming languages used for crafting Android and iOS apps are not echoing one another. You'll have to be back to the drawing board.

 Yet, the good news is the codes carry lots of similarities. Yet, distinctions remain and cause app moving timeframe variety. After all, Android—iOS porting takes a shorter time and less effort, especially if it’s done by developers who know the nitty-gritty of both operating systems.

 

 

03.
Are there any tips for how to convert Android app to iOS?
Lena
Lena
Project Manager

Let’s start with the core—coding. Programming languages aren't identical, although they may carry lots of common peculiarities. If Kotlin was used to build an Android app, porting it into Swift will be trouble-free. This fact was set in motion by the matching syntax that is uncomplicated to clue developers in.

Diverse operating system coverage. Users intentionally avoid updating OS. It gets reasonable to make your product compatible with the most prevalent OS versions. The move will facilitate clasping a bigger market.

Screen sizes and resolutions deviate among different devices. We recommend selecting 5-7 widespread ones. Other necessary adjustments will be implemented by the system.

Android design differs massively from iOS. Consider the following traits in design drawing:

  • Object placement
  • lists
  • Navigation bars
  • Date pickers
  • Typography
  • Tab bars
  • Icon shapes

Double testing to be sure converted characteristics are working fine.  A flawlessly functioning app equals contented users.

These are the factors to pay attention to when dealing with app porting

04.
How to convert an iOS app to an Android app?
Alex
Alex
CEO

One-step Android to iOS converting is impracticable. Numerous aspects must be considered. Building a fresh code is required, but it is time-and-efforts-consuming. Rather less, but still. The best way is to hire a team that we’ll do the work for you. 

If you wonder how to convert an Android app to iOS, We are apt to fill in if you need tech assistance.  When working on app migration, celadon developers reflect the platform's peculiarities for both apps. Having an iOS app is good, but having an Android and IOS apps will pay you off.

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