# Thermo Log vs ウォッチロガー

The clearest difference is update cadence: ウォッチロガー at every 2 months against Thermo Log's every 5 months. Thermo Log's advantage is iOS requirement (11.0 vs 16.6). 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.

Thermo Log ships an update every 5 months, ウォッチロガー every 2 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Thermo Log | ウォッチロガー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 10 MB | 7 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [A&D Company, Limited](https://appshunter.io/developer/894522769) | [FUJITA ELECTRIC WORKS, LTD.](https://appshunter.io/developer/1615518386) |

## What reviewers say

### Thermo Log

[App page](https://appshunter.io/ios/app/thermo-log/id1540705486)

**Features:** macOS Compatibility

**In-app purchases:** none


### ウォッチロガー

[App page](https://appshunter.io/ios/app/id6463776017)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thermo Log free?

Thermo Log is free to download, with no in-app purchases.

### Is ウォッチロガー free?

ウォッチロガー is free to download, with no in-app purchases.

### Do Thermo Log or ウォッチロガー have ads?

Neither Thermo Log nor ウォッチロガー shows ads.

### Which is updated more often, Thermo Log or ウォッチロガー?

Thermo Log ships an update every 5 months, and ウォッチロガー every 2 months. Most recently, Thermo Log was updated on September 10, 2026 and ウォッチロガー on September 18, 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.*