Swift: Load a Realm database from previous version into new re-written version

in 2016 I've built an iOS app in Swift 2/3. The code is too old and I can't update anymore.

So I decide to re-build the whole app in the newest Swift. The old app is still in the App Store, so in the background we can re-build the app.

I am looking for somebody that can help me with that. I've the old code so we can compare function.

In V2 (current) app the app is making a Realm local database on users phone. In V3 (new version) I want to load this local Realm database.

Some functions of the app:

- YouTube API integration

- iCloud Sync

- Apple Watch app

- Notification Center Widget

What you need:

- Telegram (chat app)

- xcode

- Understand old Swift and new Swift

- MacOS device (macbook/imac)

- Understand CocoaPods

- Understand Realm

Skills: Apple Watch, CocoaPods, iPhone, Mobile App Development, Swift

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About the Employer:
( 34 reviews ) Zwolle, Netherlands

Project ID: #21715857

29 freelancers are bidding on average $13/hour for this job


I'm Sabyasachi, from Techno Exponent. I like to ask your old swift program is running so can it possible to create a build to check the functionality? Also practically swift 2 to 5 version update possible but I unders More

$8 USD / hour
(59 Reviews)

NO UPFRONT PAYMENT REQUIRED! We very well understand that as soon as you have posted this project, you would be flooded with tons of bids and making it very hard to choose the right freelancer for you. Below is what More

$10 USD / hour
(67 Reviews)

Hello, How are you? As a senior iOS developer, I build amazing iOS apps using Swift language (Swift 5.0/Xcode 11.1). I get the ball rolling immediately. All Swift versions are incredible! I can start to work on this p More

$12 USD / hour
(103 Reviews)

Hello, I have read your project requirements very carefully and would like to share that I have 8+ years of experience in mobile app development. I have completed dozens of mobile apps for various clients. Quality work More

$40 USD / hour
(59 Reviews)

Hi There! How are you doing? Greeting from Preferred Freelancer. I have gone through your requirement and I’m perfectly able to doing this work. ~Team Netra Technosys Exp: 7+Yrs Projects: 350+ Employees: 16+ Technolo More

$9 USD / hour
(102 Reviews)

Hi, I will develop your IOS app in latest swift 5 version. Can you please share your current app link or wireframe with workflow of your project so that i will look into it. Also, if you will share older code then it' More

$14 USD / hour
(43 Reviews)

Hi, I’m expert in both mobile app and web development with 8+ years of experiences. Followings are my expertise and experiences. - iOS ( Swift / Objective-C ), Android ( Java ) - Cross Platform ( Xamarin, React Native More

$12 USD / hour
(47 Reviews)

Hello Yes, We will redevelop your iOS application in the latest swift version. We have 8+ years of experienced mobile application developers Team. We have developed 100+ iOS applications using Native (Java, Kotlin More

$12 USD / hour
(48 Reviews)

Hello. I am a full stack iOS/android/web developer and then I have rich experience in developing mobile apps for more than 8 years. So far, I have developed many successful iOS and android mobile apps and uploaded the More

$12 USD / hour
(55 Reviews)

Hi there, I can help you on this project. Here is the process I would like to apply to: Step 1: You share a list of requests. Step 2: I will let you know my estimate on time and cost to develop your app. Step 3: If More

$12 USD / hour
(115 Reviews)

Hi there, I am Tuan and I am iOS Developer with Swift language. I think that I can help you convert the old source code and then update it to latest Swift version with Realm database. Because I have working with - Real More

$11 USD / hour
(40 Reviews)

Hello Sir, I have read your requirement and understood that you are looking for an iPhone developer for Load a Realm database from the previous version into new re-written version --can you please provide you io More

$15 USD / hour
(10 Reviews)

Hey, I am interested in learning more about your job! This is right in my wheelhouse and I know I can do a great job. Let’s hop on a phone call to discuss the project - do you have some time this week? Thanks!

$12 USD / hour
(14 Reviews)

Hello, I can help you migrate to your new version and implement Realm DB. I am an iOS app developer based on Swift and Xcode. I have two commercial apps on App Store, WikiMedicine and Street Explorer. I also have a goo More

$15 USD / hour
(22 Reviews)

Hello, Greetings from Gaurav!

Over the last 5+ years I have developed a wide range of applications for iOS. If you are looking for a highly skilled iOS developer with professional attitude, good communication and hi More

$16 USD / hour
(44 Reviews)

Hi There, I have all the necessary skills required to complete the project of <Mobile App development > on time, within your budget and without compromising on quality. I'm Harshit, a Senior mobile application develo More

$10 USD / hour
(45 Reviews)

Hi. thanks for your posting. I'm very happy to have a chance of bidding your project. I have experience in the development of projects like yours If you hire me, I'll do my best for your project and finish greatly in a More

$12 USD / hour
(15 Reviews)

Hello, I'm an iOS developer and have 3 years experience in mobile development. After carefully reading your project description, we are writing to you as we are very confident to fulfil your requirements. Please cont More

$8 USD / hour
(18 Reviews)

Hi, there. Please check my profile & portofolio - [login to view URL] I am confident I can full fill your requirement and I provide my skills in hopes of working with you. I am full-time & se More

$10 USD / hour
(6 Reviews)

Hey sir , i will upgrade your app which you written in 2016 , i have already worked on realm local db , youtube api integration and all the stuff you mentioned in the description so come in chat box for further discuss More

$8 USD / hour
(7 Reviews)