SevenDiffsPro vs Rotondes AR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SevenDiffsPro
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Quickly find the differences between 2 apparently identical images. This game improve the sense of observation for children and adults. You learn by having fun. Use the timer to improve your own score and be the best player.
Rotondes AR
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Découvrez l’univers des contes autrement grâce à l’application de réalité augmentée Rotondes AR. Les Rotondes, centre culturel luxembourgeois, proposent cette application gratuite à l’occasion de la sortie de leur premier livre jeunesse, D’Sandmeedchen. Ce livre est le fruit d’une collaboration entre plusieurs partenaires luxembourgeois : l’illustrateur Dirk Kessseler, l’écrivain Yorick Schmit et le studio de création spécialisé dans l’AR et la VR, Virtual Rangers, tous soutenus et encadrés par les Rotondes et la maison d’édition luxembourgeoise Kremart. Il s’agit donc du premier livre jeunesse en réalité augmentée 100% luxembourgeois ! Téléchargez l’application gratuite Rotondes AR pour votre smartphone ou votre tablette. Vous n’aurez plus qu’à scanner les pages du livre D’Sandmeedchen pour animer les illustrations. Le livre D’Sandmeedchen est disponible via rotondes.lu/sandmeedchen, kremart.lu et en librairie, au prix de 24,90€.
Screenshots
Verdict
The clearest difference is price: Rotondes AR at Free against SevenDiffsPro's $0.99. Rotondes AR also leads on update cadence (fortnightly vs every 38 months). On ads, in-app purchases, device support and iOS requirement 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
Rotondes AR is free to download; SevenDiffsPro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SevenDiffsPro ships an update every 38 months, Rotondes AR fortnightly. The most recent releases landed on July 16, 2026 and September 30, 2026 respectively.
| Parameter | SevenDiffsPro | Rotondes AR |
|---|---|---|
| Price | $0.99 | Free — better |
| Update frequency | Every 38 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 122 MB | 243 MB |
| Age rating | 4+ | 4+ |
| Developer | NMS Narcisse Mavoha Solutions Sarl | Virtual Rangers Sarl |
In-app purchases
SevenDiffsPro
No in-app purchases
Rotondes AR
No in-app purchases
Questions
Is SevenDiffsPro free?
Is Rotondes AR free?
Do SevenDiffsPro or Rotondes AR have ads?
Which is updated more often, SevenDiffsPro or Rotondes AR?
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