Need to update a spreadsheet app for iOS

Need an Objective-С developer with good experience in

- high math and making complex data-driven apps,

- online databases (icloud, firebase, realm),

to work on a user-friendly mobile spreadsheet with formulas (like Excel).

State of the project: The app was published. Check it here: [login to view URL]

The developer I work with is focused on my new app. I need additional develooer to fix bugs and develop features of the released app.

Next task:

- Fix interface bugs and do some refactoring on the interface

- Try to find why notes are disappearing and fix it from tome to time

Rising talents and fresh comers to Upwork with relevant experience are welcome!

Russian-speaking developers are welcome (not a must, but an advantage).

Agencies are not considered.

Kemahiran: iPhone, Mobile App Development, iPad, PHP, Objective C

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Tentang Majikan:
( 0 ulasan ) Moscow, Russian Federation

ID Projek: #21870851

24 pekerja bebas membida secara purata $30/jam untuk pekerjaan ini


Hello, We've reviewed existing app "[login to view URL] : with Excel Formulas" tiny spreadsheet perfect for those times when you don't need a full-sized monster with features like Share note s a pdf, Two columns, Excel formul Lagi

$25 USD / jam
(1118 Ulasan)

Hi there, I have read everything carefully & understood the scope of this App project but I do have few quick questions to ask, so please click on the chat button. Please let me know how do you want to proceed, as I Lagi

$30 USD / jam
(108 Ulasan)

Hello! We can provide you with one of our in-house develoePrs, who will work directly with you, no intermediaries or PMs, we will set up a channel and you will be able to proceed from there. 5 years of experience, good Lagi

$38 USD / jam
(49 Ulasan)

Hello, After carefully reading your project description, we are writing to you as we are very confident to fulfill your requirement which is to update a spreadsheet application build on iOS platform. We are Sphinx so Lagi

$25 USD / jam
(91 Ulasan)

Hello Yes I can update your mobile application including your all key features. I am a full stack mobile application developers with 7+ years of noteworthy experience using Native (Java, Kotlin, Swift, Objective-C) Lagi

$25 USD / jam
(593 Ulasan)

How are you, sir? Thank you for visiting my proposal. I've just read your job post carefully and much interested in your project and I am sure I can complete this in time perfectly as you want. I have been creating hi Lagi

$38 USD / jam
(172 Ulasan)

Hi there - I’ve read your project detail and can see that you’d like to build a mobile app. I am having 14 years of experience in iPhone, Objective-C, Swift, Cocoa, iOS, Android, PHP and worked with Apple in Cupertin Lagi

$38 USD / jam
(60 Ulasan)

Hey greetings Let's discuss this spreadsheet-like app in detail. So I can share a complete breakdown. [ My Portfolio ] [login to view URL]

$25 USD / jam
(110 Ulasan)

Hello, I have 6 years of experienced on mobile application (iphone/ ipad Objective-С ) and App admimn with development web services where admin can manage the app from backend ,. I have developed the Transport App Lagi

$38 USD / jam
(193 Ulasan)

Hello, I can develop your spreadsheet app for ios as per your requirements.I have more than 5 years of experience in mobile app development. Let's discuss about your projects in detail over a chat. Looking forward Lagi

$25 USD / jam
(83 Ulasan)

Hi there, I am Tuan and I'm iOS developer. I am working on both Objective C and Swift language and since 2011. I also made the apps based on: - Firebase - Realm database - and I am strong with Math. - Auto Layout and m Lagi

$25 USD / jam
(42 Ulasan)

Hi, I read you requirements and installed app. With my experiences, I can make refactoring and fix your app with all requirements easily. I also have 7+ years experience in Mobile iOS application development with a lot Lagi

$25 USD / jam
(42 Ulasan)

Hi, Hope you are doing great. I have read your project requirement & I understood it completely. I can develop this application as I have already worked on many application in past. Please review my profile below: h Lagi

$25 USD / jam
(54 Ulasan)

Hello, I'm fulltime available for work , I saw your job post and you need iphone /ipad Objective-С developer +Web Admin Panel app and i have skills in coding similar app and i believe that i can do it for you Lagi

$25 USD / jam
(15 Ulasan)

Hello I read your project post and understand you need Mobile app (android ans ios) . As per your need i will make your project with complete features and functionality. I am expert in mobile (android and ios) app Lagi

$38 USD / jam
(16 Ulasan)

Hi! I have been developing mobile applications iOS & Android Developing applications: Native mobile: iOS ( Swift, Obj-C ), Android ( Java, Kotlin ) Cross-platform development: PhoneGap,Cordova,ReactNative, Ionic 3-4, Lagi

$25 USD / jam
(6 Ulasan)

Hello, my name is Pavel and i have significant experience in Mobile Development. By checking your requirements i realised that i fully meet them and can start work on your project. Please message me so we can discuss t Lagi

$25 USD / jam
(9 Ulasan)

I do Native apps for iPhone, iPad and android devices for more than 5 years. I can also help you to upload apps to its respective store. Please check my portfolio [login to view URL] I am well versed wit Lagi

$25 USD / jam
(4 Ulasan)

Hello, I am Chengri. After carefully reading your job description, now have a full understanding of it. ● My best working principle is your satisfaction. I have lots of skills worked on local. ● So I think I can ass Lagi

$38 USD / jam
(6 Ulasan)

Hello. I am a responsible, self-motivated, hard-working, quick learner and a good team player. I'm a native iOS developer, with experience developing iOS applications 5+ years. I'm also a UI / UX designer, with experie Lagi

$25 USD / jam
(3 Ulasan)