# Health Diary vs Let Be Timer

The clearest difference is in-app purchases: Let Be Timer at none against Health Diary's 3. Let Be Timer also leads on ads (none vs shown). Health Diary's advantage is device support (3 vs 1). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. Health Diary sells 3 in-app purchases, starting at $3.99 per month. Let Be Timer asks for nothing beyond the download.

Health Diary ships an update fortnightly, Let Be Timer every 2 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Health Diary | Let Be Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 17 MB | 9 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [鲁 黄](https://appshunter.io/developer/1696562503) | [Shanghai Yetaixiong Network Technology Co., Ltd.](https://appshunter.io/developer/6777848082) |

## What reviewers say

### Health Diary

[App page](https://appshunter.io/ios/app/health-diary-body-notes/id6755714195)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Health Diary Pro Monthly | $3.99 | per month |
| Health Diary Pro Yearly | $19.99 | per year |
| Health Diary Pro Lifetime | $59.99 | one-time |


### Let Be Timer

[App page](https://appshunter.io/ios/app/let-be-timer/id6790256966)

**In-app purchases:** none


## Frequently asked questions

### Is Health Diary free?

Health Diary is free to download, with in-app purchases available.

### Is Let Be Timer free?

Let Be Timer is free to download, with no in-app purchases.

### Do Health Diary or Let Be Timer have ads?

Health Diary shows ads; Let Be Timer does not.

### Which is updated more often, Health Diary or Let Be Timer?

Health Diary ships an update fortnightly, and Let Be Timer every 2 weeks. Most recently, Health Diary was updated on November 9, 2026 and Let Be Timer on November 5, 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.*