# Brainstorm by Allinson vs Chat Memo

The clearest difference is update cadence: Chat Memo at weekly against Brainstorm by Allinson's every 44 months. Brainstorm by Allinson's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Brainstorm by Allinson ships an update every 44 months, Chat Memo weekly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Brainstorm by Allinson | Chat Memo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (9 ratings)](https://appshunter.io/ios/app/chat-memo-simple-note-app/id1465757390/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Weekly** |
| Monetization | — | Free |
| Size | 6 MB | 20 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chris Allinson](https://appshunter.io/developer/363434350) | [Naoyuki Rikiji](https://appshunter.io/developer/1465757389) |

## What reviewers say

### Brainstorm by Allinson

[App page](https://appshunter.io/ios/app/brainstorm-by-allinson/id374194218)

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

**In-app purchases:** none


### Chat Memo

[App page](https://appshunter.io/ios/app/chat-memo-simple-note-app/id1465757390)

A straightforward note-taking app designed for intuitive, one-line entries. It offers widget support for home screen access, character counting, and easy line-by-line copying. The app prioritizes a clean, ad-free experience for efficient memo management.

**Highlights:** One-line memo registration, Widget support, Character counting, Line-by-line selection and copying, Passcode protection, Image registration, Strike-through for TODO lists

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

**In-app purchases:** none


## Frequently asked questions

### Is Brainstorm by Allinson free?

Brainstorm by Allinson is free to download, with no in-app purchases.

### Is Chat Memo free?

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

### Do Brainstorm by Allinson or Chat Memo have ads?

Neither Brainstorm by Allinson nor Chat Memo shows ads.

### Which is updated more often, Brainstorm by Allinson or Chat Memo?

Brainstorm by Allinson ships an update every 44 months, and Chat Memo weekly. Most recently, Brainstorm by Allinson was updated on November 1, 2026 and Chat Memo on November 3, 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.*