# PDCA quick vs PDCA LOG

The clearest difference is in-app purchases: PDCA quick at none against PDCA LOG's 5. PDCA LOG's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

PDCA quick ships an update every 9 days, PDCA LOG every 6 days. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | PDCA quick | PDCA LOG |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 15 MB | 36 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tadaaki Kobayashi](https://appshunter.io/developer/1453815071) | [ICHI LABS](https://appshunter.io/developer/6777678007) |

## What reviewers say

### PDCA quick

[App page](https://appshunter.io/ios/app/pdca-quick/id1546415252)

This application helps users implement the PDCA cycle for planning, doing, checking, and acting. It supports various timeframes, including annual, monthly, weekly, and daily cycles, to facilitate continuous improvement.

**Highlights:** PDCA cycle implementation, Annual cycle planning, Monthly cycle planning, Weekly cycle planning, Daily cycle planning, Continuous improvement tool

**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 PDCA quick free?

PDCA quick 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 PDCA quick or PDCA LOG have ads?

PDCA quick shows ads; PDCA LOG does not.

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

PDCA quick ships an update every 9 days, and PDCA LOG every 6 days. Most recently, PDCA quick was updated on September 19, 2026 and PDCA LOG on September 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.*