# Jotsuyo vs PDCA LOG

The clearest difference is in-app purchases: Jotsuyo at none against PDCA LOG's 5. Jotsuyo also leads on update cadence (every 3 days vs every 6 days). PDCA LOG's advantage is iOS requirement (13.0 vs 15.4). On price, ads and device support there is nothing between them.

Both are free to download. PDCA LOG sells 5 in-app purchases, starting at $2.99 per month. Jotsuyo asks for nothing beyond the download.

Jotsuyo ships an update every 3 days, PDCA LOG every 6 days. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Jotsuyo | PDCA LOG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Size | 21 MB | 36 MB |
| Requires iOS | 15.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shuhei Takezawa](https://appshunter.io/developer/1602827505) | [ICHI LABS](https://appshunter.io/developer/6777678007) |

## What reviewers say

### Jotsuyo

[App page](https://appshunter.io/ios/app/jotsuyo/id1615374881)

**Features:** Safari Extension

**In-app purchases:** none


### PDCA LOG

[App page](https://appshunter.io/ios/app/pdca-log/id6781144813)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $2.99 | per month |
| Premium | $5.99 | per month |
| 20 Tokens | $0.99 | one-time |
| 50 Tokens | $2.99 | one-time |
| 120 Tokens | $5.99 | one-time |


## Frequently asked questions

### Is Jotsuyo free?

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

### Is PDCA LOG free?

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

### Do Jotsuyo or PDCA LOG have ads?

Neither Jotsuyo nor PDCA LOG shows ads.

### Which is updated more often, Jotsuyo or PDCA LOG?

Jotsuyo ships an update every 3 days, and PDCA LOG every 6 days. Most recently, Jotsuyo was updated on September 28, 2026 and PDCA LOG on October 8, 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.*