# 森林白噪音 vs HeartNote Diary

The clearest difference is update cadence: 森林白噪音 at daily against HeartNote Diary's every 3 weeks. 森林白噪音 also leads on iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

森林白噪音 ships an update daily, HeartNote Diary every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 森林白噪音 | HeartNote Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 40 MB | 55 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Shenzhen Sleepon Technology Co., Ltd.](https://appshunter.io/developer/1385995936) | [俐 王](https://appshunter.io/developer/1872258094) |

## What reviewers say

### 森林白噪音

[App page](https://appshunter.io/ios/app/id1579841477)

**Features:** macOS Compatibility

**In-app purchases:** none


### HeartNote Diary

[App page](https://appshunter.io/ios/app/heartnote-diary/id6759284816)

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

**In-app purchases:** none


## Frequently asked questions

### Is 森林白噪音 free?

森林白噪音 is free to download, with no in-app purchases.

### Is HeartNote Diary free?

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

### Do 森林白噪音 or HeartNote Diary have ads?

Neither 森林白噪音 nor HeartNote Diary shows ads.

### Which is updated more often, 森林白噪音 or HeartNote Diary?

森林白噪音 ships an update daily, and HeartNote Diary every 3 weeks. Most recently, 森林白噪音 was updated on October 25, 2026 and HeartNote Diary on October 24, 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.*