ShareJoy AR vs 4RaceMaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ShareJoy AR
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„Sharejoy AR“ is an innovative non-commercial augmented reality project dedicated to supporting children undergoing cancer treatment. Our goal is to enhance children‘s emotional well-being with the dose of positive emotions elicited by the „Sharejoy‘s“ creations. The app contains 10 interactive animated and joyful dog characters – the participants of the „Sharejoy AR“ project. They belong to different dog breeds so you will learn about their specific behaviour and features. The app lets you interact with the dogs on the screen of your device touching and stroking them and seeing their unique reactions. Also you can play a mini puzzle game assembling dogs‘ pictures for the best pace result. The gale of laughter and positive emotions are guaranteed. The „Sharejoy AR“ augmented reality app is a free app which is also designed to work alongside the story book, postcards and pictures in the exhibition. In order to enjoy the app you need to: - Download and install the „Sharejoy AR“ app to your mobile phone or tablet. - Open the app, go to 3D mode to see the animated funny dogs or point your device‘s camera at the dog icon on the exhibition picture, on pages of the book or on a postcard and enjoy the 3D characters. Our goal is to share the joy with every participant of the "Sharejoy" project for we do believe that recovery starts with positive thinking and vivacious mood. This app requires iPhone 6 or later to function.
4RaceMaster
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4RaceMaster app for our rally fans! In the app, you can find the latest info about the rally, and competitions and get notified about the hottest news right away!
Screenshots
Verdict
The clearest difference is update cadence: 4RaceMaster at every 5 weeks against ShareJoy AR's every 5 months. ShareJoy AR's advantage is iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ShareJoy AR ships an update every 5 months, 4RaceMaster every 5 weeks. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.
| Parameter | ShareJoy AR | 4RaceMaster |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 255 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Iron Solutions, UAB | 4rally UAB |
In-app purchases
ShareJoy AR
No in-app purchases
4RaceMaster
No in-app purchases









