# Body Temperature Log Note App vs Sleep Note

The clearest difference is update cadence: Sleep Note at every 4 days against Body Temperature Log Note App's every 6 weeks. Sleep Note also leads on iOS requirement (15.1 vs 17.6). 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.

Body Temperature Log Note App ships an update every 6 weeks, Sleep Note every 4 days. The most recent releases landed on October 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Body Temperature Log Note App | Sleep Note |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 13 MB | 38 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Kako](https://appshunter.io/developer/1581721316) | [Kengo Kanehiro](https://appshunter.io/developer/1869857869) |

## What reviewers say

### Body Temperature Log Note App

[App page](https://appshunter.io/ios/app/body-temperature-log-note-app/id6756289749)

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

**In-app purchases:** none


### Sleep Note

[App page](https://appshunter.io/ios/app/sleep-note/id6758096161)

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

**In-app purchases:** none


## Frequently asked questions

### Is Body Temperature Log Note App free?

Body Temperature Log Note App is free to download, with no in-app purchases.

### Is Sleep Note free?

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

### Do Body Temperature Log Note App or Sleep Note have ads?

Both Body Temperature Log Note App and Sleep Note show ads.

### Which is updated more often, Body Temperature Log Note App or Sleep Note?

Body Temperature Log Note App ships an update every 6 weeks, and Sleep Note every 4 days. Most recently, Body Temperature Log Note App was updated on October 1, 2026 and Sleep Note on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*