# One Line vs MTT

The clearest difference is iOS requirement: One Line at 8.0 against MTT's 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 26, 2026 and March 14, 2026 respectively.

## The numbers

| Metric | One Line | MTT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (207 ratings)](https://appshunter.io/ios/app/one-line-one-touch-drawing/id1335534740/reviews)** | — |
| Number of ratings | **207** | — |
| Positive reviews | 96.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 27 MB | 254 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [晓俊 王](https://appshunter.io/developer/1510696862) | [Pixelhunters FZ-LLC](https://appshunter.io/developer/1005011629) |

## What reviewers say

### One Line

[App page](https://appshunter.io/ios/app/one-line-one-touch-drawing/id1335534740)

A brain-training puzzle game where the objective is to draw a single continuous line to connect all points. It offers a deceptively simple yet profoundly deep challenge to sharpen your wits.

**Highlights:** Draw one continuous line, Connect all points, Brain training puzzle, Extensive stages, Sharpen your wits

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and entertaining
- 💡 Challenging but not frustrating
- 👍 Great way to pass time
- 👍 Addictive gameplay
- 👍 Good brain exercise

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🐛 Compatibility issues on older devices
- 🐛 Forced 5-star reviews to unlock levels

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Dark mode option
- More challenging levels
- Achievements or progress tracking


### MTT

[App page](https://appshunter.io/ios/app/mtt/id1518038953)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One Line free?

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

### Is MTT free?

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

### Do One Line or MTT have ads?

Neither One Line nor MTT shows ads.

### Which is updated more often, One Line or MTT?

One Line ships an update monthly, and MTT monthly. Most recently, One Line was updated on October 26, 2026 and MTT on March 14, 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.*