# Gravity Platform vs ctstris

The clearest difference is in-app purchases: ctstris at none against Gravity Platform's 1. ctstris also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Gravity Platform's advantage is update cadence (every 2 days vs every 33 months). On price and ads there is nothing between them.

Both are free to download. Gravity Platform sells 1 one-off in-app purchase. ctstris asks for nothing beyond the download.

Gravity Platform ships an update every 2 days, ctstris every 33 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Gravity Platform | ctstris |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/gravity-platform/id1634225615/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 33 months |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 2 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gravity Games LLC](https://appshunter.io/developer/1634225617) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Gravity Platform

[App page](https://appshunter.io/ios/app/gravity-platform/id1634225615)

A minimalist platformer where players manipulate gravity to solve 75 unique physics-based puzzles. Navigate a geometric world with intuitive controls and antigravity mechanics.

**Highlights:** Antigravity mechanics, 75 unique puzzles, Minimalist geometric aesthetic, Intuitive controls, Endless exploration, Family-friendly fun

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free | $3.99 | one-time |


### ctstris

[App page](https://appshunter.io/ios/app/ctstris/id6475251381)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Platform free?

Gravity Platform is free to download, with in-app purchases available.

### Is ctstris free?

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

### Do Gravity Platform or ctstris have ads?

Neither Gravity Platform nor ctstris shows ads.

### Which is updated more often, Gravity Platform or ctstris?

Gravity Platform ships an update every 2 days, and ctstris every 33 months. Most recently, Gravity Platform was updated on October 1, 2026 and ctstris on October 7, 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.*