# Structured Outliner vs Thoughtree

The clearest difference is ads: Thoughtree at none against Structured Outliner's shown. Thoughtree also leads on update cadence (every 3 days vs every 9 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Structured Outliner sells 1 one-off in-app purchase and Thoughtree sells 2 in-app purchases, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

Structured Outliner ships an update every 9 days, Thoughtree every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Structured Outliner | Thoughtree |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 6 MB | 66 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Felipe Carraro](https://appshunter.io/developer/1887606432) | [NIJIZO](https://appshunter.io/developer/1765848169) |

## What reviewers say

### Structured Outliner

[App page](https://appshunter.io/ios/app/structured-outliner/id6761066639)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $7.99 | one-time |


### Thoughtree

[App page](https://appshunter.io/ios/app/thoughtree-mind-map-and-outline/id6804508753)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Yearly | $19.99 | per year |
| Thoughtree Pro (Lifetime) | $29.99 | one-time |


## Frequently asked questions

### Is Structured Outliner free?

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

### Is Thoughtree free?

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

### Do Structured Outliner or Thoughtree have ads?

Structured Outliner shows ads; Thoughtree does not.

### Which is updated more often, Structured Outliner or Thoughtree?

Structured Outliner ships an update every 9 days, and Thoughtree every 3 days. Most recently, Structured Outliner was updated on November 5, 2026 and Thoughtree on October 31, 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.*