# サウナログ vs 熱波レコード

The clearest difference is price: サウナログ at Free against 熱波レコード's $2.99. サウナログ also leads on update cadence (every 8 days vs monthly). 熱波レコード's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

サウナログ is free to download; 熱波レコード costs $2.99 up front. サウナログ sells 1 in-app purchase, starting at $1.99 per month. 熱波レコード asks for nothing beyond the download.

サウナログ ships an update every 8 days, 熱波レコード monthly. The most recent releases landed on October 9, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | サウナログ | 熱波レコード |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Monthly |
| Size | 65 MB | 4 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Yugo Matsuda](https://appshunter.io/developer/1517181379) | [koichi sonehara](https://appshunter.io/developer/1590319623) |

## What reviewers say

### サウナログ

[App page](https://appshunter.io/ios/app/id6446017315)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SaunaLog Premium | $1.99 | per month |


### 熱波レコード

[App page](https://appshunter.io/ios/app/id6447361494)

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

**In-app purchases:** none


## Frequently asked questions

### Is サウナログ free?

サウナログ is free to download, with in-app purchases available.

### Is 熱波レコード free?

熱波レコード costs $2.99, with no in-app purchases.

### Do サウナログ or 熱波レコード have ads?

サウナログ shows ads; 熱波レコード does not.

### Which is updated more often, サウナログ or 熱波レコード?

サウナログ ships an update every 8 days, and 熱波レコード monthly. Most recently, サウナログ was updated on October 9, 2026 and 熱波レコード on October 21, 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.*