# NoteStream vs Structured Outliner

The clearest difference is in-app purchases: NoteStream at none against Structured Outliner's 1. NoteStream also leads on ads (none vs shown) and iOS requirement (14.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Structured Outliner sells 1 one-off in-app purchase. NoteStream asks for nothing beyond the download.

NoteStream ships an update fortnightly, Structured Outliner every 9 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | NoteStream | Structured Outliner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 43 MB | 6 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IdeaFlow, Inc.](https://appshunter.io/developer/1330828365) | [Felipe Carraro](https://appshunter.io/developer/1887606432) |

## What reviewers say

### NoteStream

[App page](https://appshunter.io/ios/app/notestream-capture-your-mind/id6752955813)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is NoteStream free?

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

### Is Structured Outliner free?

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

### Do NoteStream or Structured Outliner have ads?

Structured Outliner shows ads; NoteStream does not.

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

NoteStream ships an update fortnightly, and Structured Outliner every 9 days. Most recently, NoteStream was updated on October 5, 2026 and Structured Outliner on October 7, 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.*