# Grav Box vs Riddlerr

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.

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.

## The numbers

| Metric | Grav Box | Riddlerr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26 ratings)](https://appshunter.io/ios/app/grav-box/id1050320618/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 96.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 20 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Capraro](https://appshunter.io/developer/1691787728) | [Vladyslav Yermakov](https://appshunter.io/developer/1659418110) |

## What reviewers say

### Grav Box

[App page](https://appshunter.io/ios/app/grav-box/id1050320618)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Blocks (100) Pack | $0.99 | one-time |
| Light Portal | $0.99 | one-time |
| Dark Portal | $0.99 | one-time |
| Grav Box | $0.99 | one-time |
| Midnight | $0.99 | one-time |
| Daybreak | $0.99 | one-time |
| Beach | $0.99 | one-time |
| Jungle | $0.99 | one-time |
| Mist | $0.99 | one-time |
| Gold Blocks (1000) Pack | $4.99 | one-time |


### Riddlerr

[App page](https://appshunter.io/ios/app/riddlerr/id1659418108)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Grav Box free?

Grav Box is free to download, with in-app purchases available.

### Is Riddlerr free?

Riddlerr is free to download, with no in-app purchases.

### Do Grav Box or Riddlerr have ads?

Both Grav Box and Riddlerr show ads.

### Which is updated more often, Grav Box or Riddlerr?

Grav Box ships an update every 5 months, and Riddlerr every 3 weeks. Most recently, Grav Box was updated on September 17, 2026 and Riddlerr on September 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*