# Ninja Fight Clock vs onlyAlarm

The clearest difference is in-app purchases: onlyAlarm at none against Ninja Fight Clock's 1. onlyAlarm also leads on ads (none vs shown). Ninja Fight Clock's advantage is update cadence (every 3 weeks vs every 4 months) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Ninja Fight Clock sells 1 one-off in-app purchase. onlyAlarm asks for nothing beyond the download.

Ninja Fight Clock ships an update every 3 weeks, onlyAlarm every 4 months. The most recent releases landed on October 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Ninja Fight Clock | onlyAlarm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 25 MB | 1 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [景洙 李](https://appshunter.io/developer/1762531319) |

## What reviewers say

### Ninja Fight Clock

[App page](https://appshunter.io/ios/app/ninja-fight-clock/id6461210488)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ninja Fight Clock with no ads | $2.99 | one-time |


### onlyAlarm

[App page](https://appshunter.io/ios/app/onlyalarm/id6740790608)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ninja Fight Clock free?

Ninja Fight Clock is free to download, with in-app purchases available.

### Is onlyAlarm free?

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

### Do Ninja Fight Clock or onlyAlarm have ads?

Ninja Fight Clock shows ads; onlyAlarm does not.

### Which is updated more often, Ninja Fight Clock or onlyAlarm?

Ninja Fight Clock ships an update every 3 weeks, and onlyAlarm every 4 months. Most recently, Ninja Fight Clock was updated on October 27, 2026 and onlyAlarm on October 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.*