# Metro Sort vs Monoline

The clearest difference is iOS requirement: Metro Sort at 15.0 against Monoline's 17.0. 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.

Metro Sort ships an update weekly, Monoline every 5 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Metro Sort | Monoline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/monoline-one-line-puzzle/id6814112233/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | — | Ad-supported |
| Size | 226 MB | 10 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [TLC STUDIOS PRIVATE LIMITED](https://appshunter.io/developer/1438772593) | [Mobirizer](https://appshunter.io/developer/1141913793) |

## What reviewers say

### Metro Sort

[App page](https://appshunter.io/ios/app/metro-sort/id6748998833)

**Features:** macOS Compatibility

**In-app purchases:** none


### Monoline

[App page](https://appshunter.io/ios/app/monoline-one-line-puzzle/id6814112233)

Connect every dot with a single, unbroken stroke without lifting your finger or retracing lines. This minimal puzzle game offers over 500 handcrafted levels, daily challenges, and unlockable themes. Play offline and enjoy satisfying sound and haptic feedback.

**Highlights:** 505 handcrafted levels, One-way line puzzles, Star rating system, Unlockable themes, Daily Challenge, Smart hints, Offline play

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

**In-app purchases:** none


## Frequently asked questions

### Is Metro Sort free?

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

### Is Monoline free?

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

### Do Metro Sort or Monoline have ads?

Both Metro Sort and Monoline show ads.

### Which is updated more often, Metro Sort or Monoline?

Metro Sort ships an update weekly, and Monoline every 5 days. Most recently, Metro Sort was updated on October 28, 2026 and Monoline on October 29, 2026.

---

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