# Keyboard Jam vs One Line

The clearest difference is in-app purchases: Keyboard Jam at none against One Line's 1. Keyboard Jam also leads on update cadence (every 6 days vs every 2 months) and iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

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

Keyboard Jam ships an update every 6 days, One Line every 2 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Keyboard Jam | One Line |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Size | 70 MB | 1 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Babil Studios](https://appshunter.io/developer/947462912) | [torankirite](https://appshunter.io/developer/1883564850) |

## What reviewers say

### Keyboard Jam

[App page](https://appshunter.io/ios/app/keyboard-jam/id6462404977)

**Features:** macOS Compatibility

**In-app purchases:** none


### One Line

[App page](https://appshunter.io/ios/app/one-line-number-path-puzzle/id6787843651)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is Keyboard Jam free?

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

### Is One Line free?

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

### Do Keyboard Jam or One Line have ads?

Neither Keyboard Jam nor One Line shows ads.

### Which is updated more often, Keyboard Jam or One Line?

Keyboard Jam ships an update every 6 days, and One Line every 2 months. Most recently, Keyboard Jam was updated on November 3, 2026 and One Line 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.*