# OutlineProcessor vs PDCA LOG

The clearest difference is update cadence: PDCA LOG at every 6 days against OutlineProcessor's every 59 months. PDCA LOG also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. OutlineProcessor sells 1 one-off in-app purchase and PDCA LOG sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

OutlineProcessor ships an update every 59 months, PDCA LOG every 6 days. The most recent releases landed on September 3, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | OutlineProcessor | PDCA LOG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/outlineprocessor/id1043577975/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 59 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 36 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [hirokazu murabe](https://appshunter.io/developer/894364772) | [ICHI LABS](https://appshunter.io/developer/6777678007) |

## What reviewers say

### OutlineProcessor

[App page](https://appshunter.io/ios/app/outlineprocessor/id1043577975)

This app helps you organize thoughts and ideas with a simple yet powerful outliner. Create nested lists, manage multiple projects, and use intuitive controls to structure essays, novels, or tasks. Its clean interface minimizes distractions for focused thinking.

**Highlights:** Infinite hierarchy for nested lists, Intuitive controls for reordering items, Multiple document management, Focus-oriented minimalist interface, Idea capture and development

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Advertisement | $2.99 | one-time |


### 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 OutlineProcessor free?

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

### Is PDCA LOG free?

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

### Do OutlineProcessor or PDCA LOG have ads?

Neither OutlineProcessor nor PDCA LOG shows ads.

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

OutlineProcessor ships an update every 59 months, and PDCA LOG every 6 days. Most recently, OutlineProcessor was updated on September 3, 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.*