# Twins vs GravityLoop

The clearest difference is in-app purchases: GravityLoop at none against Twins's 7. GravityLoop also leads on update cadence (every 2 days vs every 3 weeks). Twins's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.5). On price and ads there is nothing between them.

Both are free to download. Twins sells 7 one-off in-app purchases. GravityLoop asks for nothing beyond the download.

Twins ships an update every 3 weeks, GravityLoop every 2 days. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Twins | GravityLoop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (51 ratings)](https://appshunter.io/ios/app/twins/id1144020719/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 72.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 237 MB | 6 MB |
| Requires iOS | **13.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Olivia Ashley](https://appshunter.io/developer/1144020718) | [Keita Tamura](https://appshunter.io/developer/1841767385) |

## What reviewers say

### Twins

[App page](https://appshunter.io/ios/app/twins/id1144020719)

Navigate endless lanes filled with cubes in this thrilling arcade game. Tap the screen to steer your balls away from obstacles, keeping them in the outer lanes or returning them to the middle. Test your reflexes and aim for a high score.

**Highlights:** Endless lane gameplay, Cube avoidance challenges, Tap-to-steer controls, Four endless lanes, High score chasing

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Revive Tickets | $0.99 | one-time |
| 初回限定オファー | $0.99 | one-time |
| No ad | $1.99 | one-time |
| 10 Revive Tickets | $2.99 | one-time |
| スターターパック | $2.99 | one-time |
| 30 Revive Tickets | $6.99 | one-time |
| Ultimate Starter Pack | $6.99 | one-time |


### GravityLoop

[App page](https://appshunter.io/ios/app/gravityloop/id6752917479)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Twins free?

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

### Is GravityLoop free?

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

### Do Twins or GravityLoop have ads?

Both Twins and GravityLoop show ads.

### Which is updated more often, Twins or GravityLoop?

Twins ships an update every 3 weeks, and GravityLoop every 2 days. Most recently, Twins was updated on October 15, 2026 and GravityLoop on October 11, 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.*