# 9days vs 異変マチアプ "tindark"

The clearest difference is in-app purchases: 異変マチアプ "tindark" at none against 9days's 3. 9days's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. 9days sells 3 one-off in-app purchases. 異変マチアプ "tindark" asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 9days against 5.0 for 異変マチアプ "tindark". Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 30, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | 9days | 異変マチアプ "tindark" |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/9days-find-whats-wrong/id6748372552/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/tindark/id6752301599/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 76.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 97 MB | 91 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Ryuichi Aida](https://appshunter.io/developer/1553473481) | [Larry Works](https://appshunter.io/developer/1701632846) |

## What reviewers say

### 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 |


### 異変マチアプ "tindark"

[App page](https://appshunter.io/ios/app/tindark/id6752301599)

This game simulates a dating app interface to present a unique loop-based horror experience. Players must identify subtle anomalies within daily profiles to progress through the game and achieve the objective. It offers a short, engaging horror challenge with a familiar UI.

**Highlights:** Dating app UI for horror gameplay, Anomaly detection challenges, Looping gameplay mechanics, Simple swipe controls, Short play sessions, Free to play

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

**In-app purchases:** none


## Frequently asked questions

### Is 9days free?

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

### Is 異変マチアプ "tindark" free?

異変マチアプ "tindark" is free to download, with no in-app purchases.

### Which has better reviews, 9days or 異変マチアプ "tindark"?

9days and 異変マチアプ "tindark" are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 9days or 異変マチアプ "tindark" have ads?

Both 9days and 異変マチアプ "tindark" show ads.

### Which is updated more often, 9days or 異変マチアプ "tindark"?

9days ships an update weekly, and 異変マチアプ "tindark" weekly. Most recently, 9days was updated on October 30, 2026 and 異変マチアプ "tindark" on November 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.*