# One Line vs Tacho&Tachy

The clearest difference is in-app purchases: One Line at none against Tacho&Tachy's 1. One Line also leads on device support (3 vs 1). Tacho&Tachy's advantage is update cadence (every 8 days vs monthly). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Tacho&Tachy sells 1 one-off in-app purchase. One Line asks for nothing beyond the download.

One Line ships an update monthly, Tacho&Tachy every 8 days. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | One Line | Tacho&Tachy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (246 ratings)](https://appshunter.io/ios/app/one-line-pattern-puzzle/id6758054179/reviews)** | — |
| Number of ratings | **246** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Ad-supported | — |
| Size | 341 MB | 58 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Gimica GmbH](https://appshunter.io/developer/1654487825) | [Beeztel](https://appshunter.io/developer/520119837) |

## What reviewers say

### One Line

[App page](https://appshunter.io/ios/app/one-line-pattern-puzzle/id6758054179)

Recreate intricate line patterns by strategically moving connected dots on a grid. This puzzle game challenges your spatial reasoning and planning skills as you match target designs. Utilize undo, reset, and hint features to navigate increasingly complex arrangements.

**Highlights:** Move connected dots on a grid, Recreate target patterns, Solve spatial puzzles, Undo and reset moves, Use in-game hints, Progress through complex designs

**Features:** macOS Compatibility

**In-app purchases:** none


### Tacho&Tachy

[App page](https://appshunter.io/ios/app/tacho-and-tachy/id6791558087)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| noAds | $2.99 | one-time |


## Frequently asked questions

### Is One Line free?

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

### Is Tacho&Tachy free?

Tacho&Tachy is free to download, with in-app purchases available.

### Do One Line or Tacho&Tachy have ads?

Both One Line and Tacho&Tachy show ads.

### Which is updated more often, One Line or Tacho&Tachy?

One Line ships an update monthly, and Tacho&Tachy every 8 days. Most recently, One Line was updated on November 5, 2026 and Tacho&Tachy on October 25, 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.*