# Nested Notes vs Structured Outliner

The clearest difference is in-app purchases: Nested Notes at none against Structured Outliner's 1. Nested Notes also leads on ads (none vs shown) and iOS requirement (15.0 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. Nested Notes asks for nothing beyond the download.

Nested Notes ships an update every 5 days, Structured Outliner every 9 days. The most recent releases landed on September 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Nested Notes | Structured Outliner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 9 days |
| Size | 56 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brasilia Tec](https://appshunter.io/developer/1549661922) | [Felipe Carraro](https://appshunter.io/developer/1887606432) |

## What reviewers say

### Nested Notes

[App page](https://appshunter.io/ios/app/nested-notes/id6753870752)

**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 Nested Notes free?

Nested Notes 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 Nested Notes or Structured Outliner have ads?

Structured Outliner shows ads; Nested Notes does not.

### Which is updated more often, Nested Notes or Structured Outliner?

Nested Notes ships an update every 5 days, and Structured Outliner every 9 days. Most recently, Nested Notes was updated on September 19, 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.*