# CPRタイマー vs 人工呼吸器ナビ

The clearest difference is in-app purchases: CPRタイマー at none against 人工呼吸器ナビ's 1. CPRタイマー also leads on update cadence (every 6 days vs every 6 weeks) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 人工呼吸器ナビ sells 1 one-off in-app purchase. CPRタイマー asks for nothing beyond the download.

CPRタイマー ships an update every 6 days, 人工呼吸器ナビ every 6 weeks. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CPRタイマー | 人工呼吸器ナビ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | Free | — |
| Size | 2 MB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Code Blue Co.,Ltd.](https://appshunter.io/developer/1888422110) | [Takahiro Ito](https://appshunter.io/developer/6787806782) |

## What reviewers say

### CPRタイマー

[App page](https://appshunter.io/ios/app/cpr/id6761255488)

This app provides a simulation tool for emergency response training, including timers for rhythm checks and countdowns with voice announcements. It also features a compression ratio calculator and a metronome to aid in practice.

**Highlights:** Rhythm check timer (2 minutes), Voice-guided countdown, Chest compression ratio calculator, Metronome (100-120 BPM), Timestamped progress log

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

**In-app purchases:** none


### 人工呼吸器ナビ

[App page](https://appshunter.io/ios/app/id6799628706)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| フル版 | $5.99 | one-time |


## Frequently asked questions

### Is CPRタイマー free?

CPRタイマー is free to download, with no in-app purchases.

### Is 人工呼吸器ナビ free?

人工呼吸器ナビ is free to download, with in-app purchases available.

### Do CPRタイマー or 人工呼吸器ナビ have ads?

Neither CPRタイマー nor 人工呼吸器ナビ shows ads.

### Which is updated more often, CPRタイマー or 人工呼吸器ナビ?

CPRタイマー ships an update every 6 days, and 人工呼吸器ナビ every 6 weeks. Most recently, CPRタイマー was updated on October 11, 2026 and 人工呼吸器ナビ on September 30, 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.*