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Gamified Rewards App Development

Storewards is a rewards app that allows users to earn gift codes by uploading grocery receipts. Interexy provided iOS and Android developers via outstaffing to support ongoing development, implement new features, and improve accessibility and UX across the app.

About the project:

Client: Ourcart

Location: Israel

Industry: E-Commerce

Team Size: Android developer, iOS developer

Project Duration: 5 years

Ourcart needed to support and improve their mobile app Storewards, which had already been released and gained popularity across several markets. The goal was to refine the app by fixing bugs, integrating new features, implementing accessibility improvements, and supporting a full redesign on both iOS and Android platforms.

Project functionality Project idea and features

Storewards is a mobile app that rewards users with gift codes in exchange for grocery receipts. Users collect receipts from accepted stores, scan them through the app, and receive coins for each valid entry. The app now partners with retailers across 18 countries.

The coins can then be exchanged for a variety of rewards depending on the region, such as PayPal cashouts, Amazon gift cards, and even physical items like food or headphones. The app also offers incentives like daily bonuses, referral rewards, and level-based perks.

Beyond its gamified loyalty model, Storewards also supports Ourcart’s broader mission. The app helps gather anonymized receipt data, offering insights into real-world consumer spending patterns. This data enables global brands to better understand their customers and improve their marketing strategies.

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Project delivery Development highlights

Ongoing Development


Our iOS and Android developers provided continuous development support and updates for the Storewards app, addressing bugs, refining performance, and implementing new functionality.

Camera SDK Integration


One of the major updates was replacing the built-in camera module with a more stable and reliable SDK. This significantly improved the receipt scanning flow and overall app stability.

UI Redesign & Flow Updates


Our team implemented a complete redesign of the user interface and updated the user flow on both platforms. The refreshed design has already been released and adopted by users.

Accessibility Improvements


To comply with accessibility standards, we enhanced the app with screen reader support and a high-contrast color scheme, improving usability for visually impaired users.

Image Extension Support


We also helped implement a feature that allows users to upload receipt photos directly from image extensions, streamlining the user experience and reducing friction.

Tech stack The scope of the project

Programming Languages:

  • Swift;
  • Kotlin;
  • Java.

Cloud & Services:

  • Firebase;
  • AWS;
  • REST API.

Frameworks & Libraries:

  • UIKit;
  • Realm;
  • ML Kit;
  • AVFoundation;
  • CameraX;
  • Alamofire;
  • LiteRT.

Other Tools & Features:

  • CoreLocation;
  • Custom ReceiptScanLibrary SDK;
  • Notification Services;
  • Accessibility tools;

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Results Project outcome

The redesign has been successfully launched, and Storewards continues to be actively supported by our team. Thanks to the new SDK integration, UI improvements, and accessibility updates, the app offers a more reliable and inclusive experience for thousands of daily users.

They are good developers with a great attitude and they are very dedicated.

Although the web app is still in development, Interexy LLC was able to deliver quality mobile applications on time. Their workflow is effective throughout the partnership.

Daniel Rejzner

CEO, Ourcart
Full review

18 Countries of operation

2 Interexy team members

5 Years of development

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