# CaffLog vs Personal Training Diary

The clearest difference is ads: Personal Training Diary at none against CaffLog's shown. CaffLog's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. CaffLog sells 1 in-app purchase, starting at $2.99 per month and Personal Training Diary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CaffLog ships an update weekly, Personal Training Diary every 10 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | CaffLog | Personal Training Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 10 days |
| Size | 70 MB | 5 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Haruya Oyama](https://appshunter.io/developer/1803788371) | [Dieter Schmidt](https://appshunter.io/developer/1656416539) |

## What reviewers say

### CaffLog

[App page](https://appshunter.io/ios/app/cafflog-caffeine-tracker/id6745146196)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CaffLog Premium | $2.99 | per month |


### Personal Training Diary

[App page](https://appshunter.io/ios/app/personal-training-diary/id6756542522)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Training Diary Pro | $4.99 | one-time |


## Frequently asked questions

### Is CaffLog free?

CaffLog is free to download, with in-app purchases available.

### Is Personal Training Diary free?

Personal Training Diary is free to download, with in-app purchases available.

### Do CaffLog or Personal Training Diary have ads?

CaffLog shows ads; Personal Training Diary does not.

### Which is updated more often, CaffLog or Personal Training Diary?

CaffLog ships an update weekly, and Personal Training Diary every 10 days. Most recently, CaffLog was updated on October 28, 2026 and Personal Training Diary on October 28, 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.*