# Body Temperature Memo vs Rhythm：ヘルスデータ書き出し

The clearest difference is ads: Rhythm：ヘルスデータ書き出し at none against Body Temperature Memo's shown. Rhythm：ヘルスデータ書き出し also leads on update cadence (fortnightly vs every 3 months). Body Temperature Memo's advantage is iOS requirement (13.0 vs 17.0). On price, 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 Memo ships an update every 3 months, Rhythm：ヘルスデータ書き出し fortnightly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Body Temperature Memo | Rhythm：ヘルスデータ書き出し |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/body-temperature-memo/id1508497110/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 42 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Shigeo Fukuda](https://appshunter.io/developer/1282972116) | [ZEN ARTICLE](https://appshunter.io/developer/6779266560) |

## What reviewers say

### Body Temperature Memo

[App page](https://appshunter.io/ios/app/body-temperature-memo/id1508497110)

Easily record and track body temperature readings from your thermometer. Visualize trends with graphs and a calendar view, and add notes for medical conditions or appointments. Supports multiple profiles for family members.

**Highlights:** Record body temperature easily, Calendar view for temperature changes, Daily average temperature display, Graph visualization, Multiple user profiles, Text memo function, Supports second decimal place

**Features:** Vision Pro support

**In-app purchases:** none


### Rhythm：ヘルスデータ書き出し

[App page](https://appshunter.io/ios/app/rhythm/id6789365236)

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

**In-app purchases:** none


## Frequently asked questions

### Is Body Temperature Memo free?

Body Temperature Memo is free to download, with no in-app purchases.

### Is Rhythm：ヘルスデータ書き出し free?

Rhythm：ヘルスデータ書き出し is free to download, with no in-app purchases.

### Do Body Temperature Memo or Rhythm：ヘルスデータ書き出し have ads?

Body Temperature Memo shows ads; Rhythm：ヘルスデータ書き出し does not.

### Which is updated more often, Body Temperature Memo or Rhythm：ヘルスデータ書き出し?

Body Temperature Memo ships an update every 3 months, and Rhythm：ヘルスデータ書き出し fortnightly. Most recently, Body Temperature Memo was updated on November 7, 2026 and Rhythm：ヘルスデータ書き出し 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.*