# E vs Capy's Breathing Diary

The clearest difference is in-app purchases: E at none against Capy's Breathing Diary's 4. E also leads on update cadence (every 5 weeks vs every 9 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Capy's Breathing Diary sells 4 one-off in-app purchases. E asks for nothing beyond the download.

E ships an update every 5 weeks, Capy's Breathing Diary every 9 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | E | Capy's Breathing Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 9 months |
| Size | 61 MB | 29 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Henan Huaxia Esti Biotech Co.,Ltd.](https://appshunter.io/developer/1231976572) | [Lychee Intelligence Co., Ltd.](https://appshunter.io/developer/1778934446) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-cardiac/id1129710846)

**In-app purchases:** none


### Capy's Breathing Diary

[App page](https://appshunter.io/ios/app/capys-breathing-diary/id6742378426)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 池塘竹橋 | $2.99 | one-time |
| 觀星台 | $2.99 | one-time |
| 茶屋陽台 | $2.99 | one-time |
| 初始組合包 | $4.99 | one-time |


## Frequently asked questions

### Is E free?

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

### Is Capy's Breathing Diary free?

Capy's Breathing Diary is free to download, with in-app purchases available.

### Do E or Capy's Breathing Diary have ads?

Neither E nor Capy's Breathing Diary shows ads.

### Which is updated more often, E or Capy's Breathing Diary?

E ships an update every 5 weeks, and Capy's Breathing Diary every 9 months. Most recently, E was updated on October 29, 2026 and Capy's Breathing Diary on October 28, 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.*