# NULL Memo vs Escape Matrix

The clearest difference is update cadence: NULL Memo at daily against Escape Matrix's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NULL Memo sells 1 one-off in-app purchase and Escape Matrix sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

NULL Memo ships an update daily, Escape Matrix weekly. The most recent releases landed on July 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | NULL Memo | Escape Matrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Size | 60 MB | 37 MB |
| Requires iOS | 16.6 | **16.2** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Aaron Chan](https://appshunter.io/developer/1888707957) | [OMER BENAL SAGIR](https://appshunter.io/developer/1893424998) |

## What reviewers say

### NULL Memo

[App page](https://appshunter.io/ios/app/null-memo-ideas-notes-lists/id6761292505)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NULL Memo Pro | $2.99 | one-time |


### Escape Matrix

[App page](https://appshunter.io/ios/app/escape-matrix-app-blocker/id6778066017)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Escape Matrix Monthly | $8.99 | per month |
| Escape Matrix Yearly | $29.99 | per year |


## Frequently asked questions

### Is NULL Memo free?

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

### Is Escape Matrix free?

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

### Do NULL Memo or Escape Matrix have ads?

Neither NULL Memo nor Escape Matrix shows ads.

### Which is updated more often, NULL Memo or Escape Matrix?

NULL Memo ships an update daily, and Escape Matrix weekly. Most recently, NULL Memo was updated on July 23, 2026 and Escape Matrix on September 9, 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.*