# Hermetic vs ScatterMind

The clearest difference is in-app purchases: Hermetic at none against ScatterMind's 1. ScatterMind's advantage is update cadence (every 4 days vs every 5 weeks) and iOS requirement (15.1 vs 26.1). On price, ads and device support there is nothing between them.

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

Hermetic ships an update every 5 weeks, ScatterMind every 4 days. Both last shipped on September 16, 2026.

## The numbers

| Metric | Hermetic | ScatterMind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Size | 6 MB | 40 MB |
| Requires iOS | 26.1 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pearson Smith](https://appshunter.io/developer/1268483172) | [yuly sutandi](https://appshunter.io/developer/1896537174) |

## What reviewers say

### Hermetic

[App page](https://appshunter.io/ios/app/hermetic/id6756269480)

**Features:** macOS Compatibility

**In-app purchases:** none


### ScatterMind

[App page](https://appshunter.io/ios/app/scattermind/id6768079804)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Infinite Ink | $24.99 | one-time |


## Frequently asked questions

### Is Hermetic free?

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

### Is ScatterMind free?

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

### Do Hermetic or ScatterMind have ads?

Neither Hermetic nor ScatterMind shows ads.

### Which is updated more often, Hermetic or ScatterMind?

Hermetic ships an update every 5 weeks, and ScatterMind every 4 days. Most recently, Hermetic was updated on September 16, 2026 and ScatterMind on September 16, 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.*