# For 20 seconds vs 9days

The clearest difference is in-app purchases: For 20 seconds at none against 9days's 3. For 20 seconds also leads on ads (none vs shown) and iOS requirement (8.0 vs 13.0). 9days's advantage is update cadence (weekly vs every 2 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. 9days sells 3 one-off in-app purchases. For 20 seconds asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for For 20 seconds against 5.0 for 9days. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

For 20 seconds ships an update every 2 months, 9days weekly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | For 20 seconds | 9days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/for-20-seconds/id821932414/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/9days-find-whats-wrong/id6748372552/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 31.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 9 MB | 97 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [REP COM Inc.](https://appshunter.io/developer/702707146) | [Ryuichi Aida](https://appshunter.io/developer/1553473481) |

## What reviewers say

### For 20 seconds

[App page](https://appshunter.io/ios/app/for-20-seconds/id821932414)

A free casual game where players aim for the best score within a 20-second time limit. Navigate through four stages using simple left and right tap controls.

**Highlights:** 20-second gameplay limit, Four distinct stages, Simple tap controls, Free to play, High score focus

**Features:** macOS Compatibility

**In-app purchases:** none


### 9days

[App page](https://appshunter.io/ios/app/9days-find-whats-wrong/id6748372552)

Explore your device's everyday apps for hidden digital anomalies. This game challenges you to find over 40 glitches within a 9-day investigation period, offering hyper-realistic interfaces and quick, satisfying detection sessions.

**Highlights:** Detect 40+ hidden anomalies, Hyper-realistic iOS interface, 9-day anomaly investigation challenge, Quick 10-minute detection sessions, Anomalies across Calendar, Weather, Messages, Browser

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Juice Tip | $0.99 | one-time |
| Coffee Tip | $2.99 | one-time |
| Sandwich Tip | $5.99 | one-time |


## Frequently asked questions

### Is For 20 seconds free?

For 20 seconds is free to download, with no in-app purchases.

### Is 9days free?

9days is free to download, with in-app purchases available.

### Which has better reviews, For 20 seconds or 9days?

For 20 seconds and 9days are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do For 20 seconds or 9days have ads?

9days shows ads; For 20 seconds does not.

### Which is updated more often, For 20 seconds or 9days?

For 20 seconds ships an update every 2 months, and 9days weekly. Most recently, For 20 seconds was updated on November 1, 2026 and 9days on October 30, 2026.

---

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