# CALOG vs トレーニングDiary

The clearest difference is iOS requirement: トレーニングDiary at 12.0 against CALOG's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CALOG ships an update every 9 days, トレーニングDiary weekly. The most recent releases landed on September 9, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | CALOG | トレーニングDiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 45 MB | 37 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [KOKI YAMAMOTO](https://appshunter.io/developer/1849198450) | [KOHEI OTAKE](https://appshunter.io/developer/1875938981) |

## What reviewers say

### CALOG

[App page](https://appshunter.io/ios/app/calog-ai/id6754609187)

**Features:** macOS Compatibility

**In-app purchases:** none


### トレーニングDiary

[App page](https://appshunter.io/ios/app/diary/id6758950400)

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

**In-app purchases:** none


## Frequently asked questions

### Is CALOG free?

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

### Is トレーニングDiary free?

トレーニングDiary is free to download, with no in-app purchases.

### Do CALOG or トレーニングDiary have ads?

Neither CALOG nor トレーニングDiary shows ads.

### Which is updated more often, CALOG or トレーニングDiary?

CALOG ships an update every 9 days, and トレーニングDiary weekly. Most recently, CALOG was updated on September 9, 2026 and トレーニングDiary on September 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.*