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iOS App: Swift migration to current version

We have an natively developed iOS app (with in-app purchase) in the App Store which wasn't updated/touched since Jan 2017 and is developed in Swift v1.

As we have an UI issue under iOS v15 now we need the app to be migrated so we can open and successfully build the app in the Xcode v12.5.1.

The app itself is nothing fancy. It's basically an instructions manual with ~100 pages with text and images on them. Some value inputs by the user using spinners. Mathematical calculations are in it as well.

There are three main tasks to do:

1. Get the old source code migrated for Xcode v12 so it compiles successfully.

2. Migrate/change/correct any broken functionality compared to the current app. For example: The current app supports swipe gestures. If, after the migration, swiping is not working propertly anymore it has to be fixed.

3. The app must be ready to be uploaded to the App Store. Apple review must accept the update. If they reject the update of the app due to technical reasons (i.e. billing library is not up to date) you have to fix that. If the reason is about content its not your concern of course.

Be aware that the examples in 2. & 3. (swipe & billing) are just random examples. We don't know what will break during migration or which updates Apple forced on apps since 2017. But you as a long year Swift developer knows for sure and can calculate it into your proposal.

Finally: Rebuilding the app (from scratch) is explicitly _NOT_ wanted as the current source code is proven and tested over many years and without bugs.

Evner: iPhone, Swift, Apple Xcode, iOS Development, iPad

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Om arbejdsgiveren:
( 1 bedømmelse ) Vienna, Austria

Projekt ID: #31559247

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(74 bedømmelser)
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29 freelancere byder i gennemsnit $243 timen for dette job

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alimumtaz112

Hi, It will be an honor for me to work with you. I have got 8 years of mobile application development experience (iOS). Kindly share the code so that I can check this out if it is convertible or not. Lets discuss and Flere

$500 USD in 5 dage
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mahmoudralizadeh

Hi dear friend I read the text of your request It seems that building a program is cheaper and faster from the beginning Because it is more up to date and will not cause problems for future updates So if you want we ca Flere

$200 USD in 4 dage
(12 bedømmelser)
6.1
daydreamsofthiru

✦ I can do swift migration to current version as per your needs. ❃ I am a professional Mobile App [ANDROID + iOS + FLUTTER + REACT NATIVE + HYBRID] Developer with the past 8+ years of expertise in it. ◘ Here are some Flere

$250 USD in 7 dage
(8 bedømmelser)
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tiffanyliang0315

Hello, As I take this project, I will do my best! I have read your job description carefully and very interesting in your project now. I'm a seasoned Mobile Developer, Web Expert with proven app development experiences Flere

$140 USD in 7 dage
(18 bedømmelser)
5.5
technologybeach

Hi there. I'm a professional and experienced iPhone, PHP, Java, Android and iOS Mobile Apps expert. I’m interested in doing this project by following your complete requirements. Come in private Chat to start the proj Flere

$130 USD in 10 dage
(11 bedømmelser)
5.1
Sergeyves

Hi, I will migrate your swift v.1 to latest version in Xcode 12.5.1 and swift 5.3+. I am a native iOS Swift expert. pls check my profile for clarifying my ability. Hope to work with you. Thanks Sergey

$200 USD på 1 dag
(6 bedømmelser)
5.2
kirti4988

Hello I am individual [login to view URL] developer with h 8+ years experience in Swift and objectives c and Many app converted swift 2,3 to Swift 5 and it approved by Apple Please message me fot further discussions Thanks

$250 USD in 7 dage
(13 bedømmelser)
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4.9
DivyamSoftwares

I will upgrade the swift version SENIOR ANDROID/iPhone APP DEVELOPER WITH 6+ YEARS EXPERIENCE: Hi, Greetings of the day! I came across your requirements and believe that I will be an ideal match for you. I have eno Flere

$120 USD in 3 dage
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4.6
inderjeetdev

Hi, As you want Swift migration to current version. I have read your all description and I totally understand your requirement I have experience of 5 years in iOS and React Native App Development. I have worked on 10+ Flere

$140 USD in 7 dage
(16 bedømmelser)
4.7
anpilogovfree

With rich experiences for Android and iOS app development, I can complete your project successfully. Apps I made: [login to view URL] [login to view URL] Flere

$300 USD in 5 dage
(4 bedømmelser)
4.4
sahutarun50

I can fix all the UI issue under iOS v15 and I can start immediately. I am “Individual IOS Developer” Expert in “ Swift \ Xcode\SwiftUI\ Objective-C” All 18 jobs are done of IOS project only with 5* [login to view URL] will Flere

$250 USD in 7 dage
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4.1
jagdeepfreelanc1

Hey there, I have 5 years of experience in developing native iPhone/iPad/Apple watch applications using swift(all versions) and Objective-c language. Here are my developed applications using swift language: ---------- Flere

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4.3
HossamSherraa

Hello , This is Hossam IOS Developer , have experience more than 5+ Years in IOS development and Swift , I'm able to rebuild your app from scratch with best deal and update it to last technology using swift 5 and IOS 1 Flere

$100 USD in 5 dage
(14 bedømmelser)
4.6
artikbred2323

Dear Client. I am a senior mobile app developer. As a honest and talented developer on this site, I don't bid on any project without reading your description. I have experiences of developing the mobile ios application Flere

$250 USD in 7 dage
(4 bedømmelser)
4.0