# SpoolTool vs Simple Hidden Note

The clearest difference is in-app purchases: Simple Hidden Note at none against SpoolTool's 1. Simple Hidden Note also leads on update cadence (daily vs weekly) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. SpoolTool sells 1 one-off in-app purchase. Simple Hidden Note asks for nothing beyond the download.

SpoolTool ships an update weekly, Simple Hidden Note daily. Both last shipped on November 5, 2026.

## The numbers

| Metric | SpoolTool | Simple Hidden Note |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Size | 9 MB | 35 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Luc Janssen](https://appshunter.io/developer/1867307419) | [Next Level Order Engineering UG (haftungsbeschrankt)](https://appshunter.io/developer/1838301382) |

## What reviewers say

### SpoolTool

[App page](https://appshunter.io/ios/app/spooltool/id6757499557)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpoolTool+ | $1.99 | one-time |


### Simple Hidden Note

[App page](https://appshunter.io/ios/app/simple-hidden-note/id6760840827)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpoolTool free?

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

### Is Simple Hidden Note free?

Simple Hidden Note is free to download, with no in-app purchases.

### Do SpoolTool or Simple Hidden Note have ads?

Neither SpoolTool nor Simple Hidden Note shows ads.

### Which is updated more often, SpoolTool or Simple Hidden Note?

SpoolTool ships an update weekly, and Simple Hidden Note daily. Most recently, SpoolTool was updated on November 5, 2026 and Simple Hidden Note on November 5, 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.*