Grav Box vs Riddlerr
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Grav Box
Control gravity with a tap and hold to manipulate objects. Customize their appearance, explore dynamic physics, and engage in arcade challenges with leaderboards and achievements.
- Tap and hold to control gravity
- Customize grav colors and emojis
- Dynamic backgrounds and physics effects
- Arcade mode with achievements
- Global leaderboards
- In-game events like black holes
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Grav Box places gravity at your fingertips. Tap and hold on the screen to control the gravitational field around your gravs and manipulate them in limitless ways. Customize your entire experience by setting gravs to any color or emoji, explore dynamic backgrounds and physics effects, and even modify the effects of gravity itself. With custom preferences set, head to the arcade to unlock achievements and compete against global leaderboards. Be prepared for black holes, gravitational shifts, and many other in-game events that will impact your gameplay.
Riddlerr
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An excellent riddle game, with many different levels and varieties of riddles. Including math calculations, stereometry visualisation, attention and many more. Challenge you math skills, logical and creative vision.
Screenshots
Verdict
The clearest difference is in-app purchases: Riddlerr at none against Grav Box's 10. Riddlerr also leads on update cadence (every 3 weeks vs every 5 months). On price, ads, 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
Both are free to download. Grav Box sells 10 one-off in-app purchases. Riddlerr asks for nothing beyond the download.
Grav Box ships an update every 5 months, Riddlerr every 3 weeks. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.
| Parameter | Grav Box | Riddlerr |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (26 ratings) — better | — |
| Positive reviews | 96.0% of reviews | — |
| Number of ratings | 26 — better | — |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Gianluca Capraro | Vladyslav Yermakov |
In-app purchases
Grav Box
- Gold Blocks (100) Pack$0.99
- Light Portal$0.99
- Dark Portal$0.99
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- Grav Box$0.99
- Midnight$0.99
- Daybreak$0.99
- Beach$0.99
- Jungle$0.99
- Mist$0.99
- Gold Blocks (1000) Pack$4.99
Riddlerr
No in-app purchases
