# One Line Puzzle Master vs Chordline

The clearest difference is in-app purchases: One Line Puzzle Master at none against Chordline's 1. One Line Puzzle Master also leads on ads (none vs shown) and device support (3 vs 1). Chordline's advantage is update cadence (every 2 weeks vs every 5 weeks). On price there is nothing between them.

Both are free to download. Chordline sells 1 one-off in-app purchase. One Line Puzzle Master asks for nothing beyond the download.

One Line Puzzle Master ships an update every 5 weeks, Chordline every 2 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | One Line Puzzle Master | Chordline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 89 MB | 6 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Umer Ahmed](https://appshunter.io/developer/1611140881) | [TAEHYUN KO](https://appshunter.io/developer/6777062410) |

## What reviewers say

### One Line Puzzle Master

[App page](https://appshunter.io/ios/app/one-line-puzzle-master/id6760461090)

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

**In-app purchases:** none


### Chordline

[App page](https://appshunter.io/ios/app/chordline/id6814033554)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Removal Ads | $2.99 | one-time |


## Frequently asked questions

### Is One Line Puzzle Master free?

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

### Is Chordline free?

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

### Do One Line Puzzle Master or Chordline have ads?

Chordline shows ads; One Line Puzzle Master does not.

### Which is updated more often, One Line Puzzle Master or Chordline?

One Line Puzzle Master ships an update every 5 weeks, and Chordline every 2 weeks. Most recently, One Line Puzzle Master was updated on October 31, 2026 and Chordline on November 6, 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.*