# Perfect Loop vs stop the flow!

The clearest difference is rating: stop the flow! at 4.1 against Perfect Loop's 2.5. stop the flow! also leads on update cadence (monthly vs every 15 months) and ratings volume (20K vs 4). Perfect Loop's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. stop the flow! sells 1 one-off in-app purchase. Perfect Loop asks for nothing beyond the download.

stop the flow! holds the better App Store score, 4.1 against 2.5. That said, the two scores are not equally well evidenced: stop the flow! has 20K ratings behind it against 4, so its average is the more settled of the two.

Perfect Loop ships an update every 15 months, stop the flow! monthly. The most recent releases landed on October 13, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Perfect Loop | stop the flow! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/perfect-loop/id1489143083/reviews) | **[4.1 (20K ratings)](https://appshunter.io/ios/app/stop-the-flow-rescue-puzzle/id1565098297/reviews)** |
| Number of ratings | 4 | **20K** |
| Positive reviews | — | 9.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 53 MB | 279 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [FUNRIKA OYUN VE EGLENCE YAZILIM TICARET LIMITED SIRKETI](https://appshunter.io/developer/840892340) | [FTY LLC.](https://appshunter.io/developer/1225503009) |

## What reviewers say

### Perfect Loop

[App page](https://appshunter.io/ios/app/perfect-loop/id1489143083)

Create your own infinite loops by tapping at the precise moment to turn red timing indicators green. Achieve accuracy goals to complete hundreds of fun levels in this relaxing, easy-to-learn game.

**Highlights:** Create infinite loops, Tap at the right time, Hundreds of levels, Haptic feedback support, Easy to pick up and play

**Features:** macOS Compatibility

**In-app purchases:** none


### stop the flow!

[App page](https://appshunter.io/ios/app/stop-the-flow-rescue-puzzle/id1565098297)

Draw lines to create walls and protect people and cities from flowing hazards like waves and magma. Strategically divert threats to save the day. Be mindful of your lines not colliding to avoid game over.

**Highlights:** Draw walls to protect, Divert flowing liquids, Save people and cities, Avoid line collisions, Over 150 levels

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove ads | $2.99 | one-time |

**What reviewers like**

- 👍 Cool game
- 🚀 Fun little time passer

**What reviewers complain about**

- 🔥 Too many ads
- 🐛 Glitchy and crashes often
- 🔋 Requires internet connection to play
- 🤖 Repetitive levels

**Reported bugs**

- Finger tracking issues
- Levels get stuck or freeze

**Requested features**

- Ability to customize characters
- Use coins to skip levels
- More challenging levels


## Frequently asked questions

### Is Perfect Loop free?

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

### Is stop the flow! free?

stop the flow! is free to download, with in-app purchases available.

### Which has better reviews, Perfect Loop or stop the flow!?

stop the flow! is rated higher. Perfect Loop averages 2.5 out of 5 from 4 ratings, while stop the flow! averages 4.1 from 20K ratings.

### Do Perfect Loop or stop the flow! have ads?

stop the flow! shows ads; Perfect Loop does not.

### Which is updated more often, Perfect Loop or stop the flow!?

Perfect Loop ships an update every 15 months, and stop the flow! monthly. Most recently, Perfect Loop was updated on October 13, 2026 and stop the flow! on October 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.*