# CPRタイマー vs つな病｜病態生理を因果でつなぐ

The clearest difference is iOS requirement: CPRタイマー at 15.0 against つな病｜病態生理を因果でつなぐ'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.

CPRタイマー ships an update every 6 days, つな病｜病態生理を因果でつなぐ every 4 days. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CPRタイマー | つな病｜病態生理を因果でつなぐ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | Free | — |
| Size | 2 MB | 175 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


### つな病｜病態生理を因果でつなぐ

[App page](https://appshunter.io/ios/app/id6794830922)

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

**In-app purchases:** none


## 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 つな病｜病態生理を因果でつなぐ free?

つな病｜病態生理を因果でつなぐ is free to download, with no in-app purchases.

### Do CPRタイマー or つな病｜病態生理を因果でつなぐ have ads?

Neither CPRタイマー nor つな病｜病態生理を因果でつなぐ shows ads.

### Which is updated more often, CPRタイマー or つな病｜病態生理を因果でつなぐ?

CPRタイマー ships an update every 6 days, and つな病｜病態生理を因果でつなぐ every 4 days. Most recently, CPRタイマー was updated on October 11, 2026 and つな病｜病態生理を因果でつなぐ on October 15, 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.*