# OutlineProcessor vs GUID

The clearest difference is in-app purchases: GUID at none against OutlineProcessor's 1. GUID also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. OutlineProcessor sells 1 one-off in-app purchase. GUID asks for nothing beyond the download.

OutlineProcessor ships an update every 59 months, GUID every 39 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OutlineProcessor | GUID |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 59 months | **Every 39 months** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 8 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [hirokazu murabe](https://appshunter.io/developer/894364772) | [Jens Nabert](https://appshunter.io/developer/1341676547) |

## 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 |


### GUID

[App page](https://appshunter.io/ios/app/guid-generator/id1341676548)

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

**In-app purchases:** none


## Frequently asked questions

### Is OutlineProcessor free?

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

### Is GUID free?

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

### Do OutlineProcessor or GUID have ads?

Neither OutlineProcessor nor GUID shows ads.

### Which is updated more often, OutlineProcessor or GUID?

OutlineProcessor ships an update every 59 months, and GUID every 39 months. Most recently, OutlineProcessor was updated on October 21, 2026 and GUID on October 25, 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.*