# Impossible 7! vs Overlapi

The clearest difference is in-app purchases: Impossible 7! at none against Overlapi's 9. Impossible 7! also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). Overlapi's advantage is update cadence (every 12 months vs every 63 months). On price and ads there is nothing between them.

Both are free to download. Overlapi sells 9 one-off in-app purchases. Impossible 7! asks for nothing beyond the download.

Impossible 7! ships an update every 63 months, Overlapi every 12 months. The most recent releases landed on October 2, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Impossible 7! | Overlapi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (47 ratings)](https://appshunter.io/ios/app/impossible-7/id474216810/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 63 months | **Every 12 months** |
| Monetization | Free | — |
| Size | 6 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kfirapps Limited](https://appshunter.io/developer/1131751327) | [NUIFISH LIMITED](https://appshunter.io/developer/525325232) |

## What reviewers say

### Impossible 7!

[App page](https://appshunter.io/ios/app/impossible-7/id474216810)

Test your speed, skill, and rhythm by counting as high as possible while avoiding numbers divisible by 7 or containing the digit 7. Features three distinct game modes to challenge players of all levels.

**Highlights:** Speed, skill, and rhythm gameplay, Avoid numbers divisible by 7, Avoid numbers containing the digit 7, Three distinct game modes, Leaderboards and Game Center support, Simple to play, difficult to master

**Features:** macOS Compatibility

**In-app purchases:** none


### Overlapi

[App page](https://appshunter.io/ios/app/overlapi/id1040650986)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Zone 2 | $0.99 | one-time |
| Unlock Zone 3 | $0.99 | one-time |
| Unlock Zone 4 | $0.99 | one-time |
| Unlock Zone 5 | $0.99 | one-time |
| Unlock Zone 7 | $0.99 | one-time |
| Unlock Zone 6 | $0.99 | one-time |
| Unlock Zone 8 | $0.99 | one-time |
| Unlock Zone 10 | $0.99 | one-time |
| Unlock Zone 9 | $0.99 | one-time |


## Frequently asked questions

### Is Impossible 7! free?

Impossible 7! is free to download, with no in-app purchases.

### Is Overlapi free?

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

### Do Impossible 7! or Overlapi have ads?

Neither Impossible 7! nor Overlapi shows ads.

### Which is updated more often, Impossible 7! or Overlapi?

Impossible 7! ships an update every 63 months, and Overlapi every 12 months. Most recently, Impossible 7! was updated on October 2, 2026 and Overlapi on September 23, 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.*