# ThePrimes vs Gravity Stacker

The clearest difference is update cadence: ThePrimes at every 7 months against Gravity Stacker's every 45 months. Gravity Stacker's advantage is iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ThePrimes ships an update every 7 months, Gravity Stacker every 45 months. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | ThePrimes | Gravity Stacker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (7 ratings)](https://appshunter.io/ios/app/gravity-stacker/id572955379/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 45 months |
| Monetization | — | Free |
| Size | 18 MB | 13 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Damir Kolobaric](https://appshunter.io/developer/392542240) | [Hooda Math](https://appshunter.io/developer/377131775) |

## What reviewers say

### ThePrimes

[App page](https://appshunter.io/ios/app/theprimes/id418752919)

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

**In-app purchases:** none


### Gravity Stacker

[App page](https://appshunter.io/ios/app/gravity-stacker/id572955379)

Challenge your stacking skills with a classic physics game featuring eight distinct gravity settings. Test your precision and strategy to stack shapes in increasingly difficult scenarios.

**Highlights:** Eight unique gravity settings, Shape stacking gameplay, Physics-based challenges, Single-player mode, Classic game mechanics

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

**In-app purchases:** none


## Frequently asked questions

### Is ThePrimes free?

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

### Is Gravity Stacker free?

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

### Do ThePrimes or Gravity Stacker have ads?

Neither ThePrimes nor Gravity Stacker shows ads.

### Which is updated more often, ThePrimes or Gravity Stacker?

ThePrimes ships an update every 7 months, and Gravity Stacker every 45 months. Most recently, ThePrimes was updated on October 26, 2026 and Gravity Stacker on October 22, 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.*