# Chat Memo vs Oneline (todo)

The clearest difference is update cadence: Oneline (todo) at every 2 days against Chat Memo's every 9 days. Oneline (todo) also leads on 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.

Chat Memo ships an update every 9 days, Oneline (todo) every 2 days. The most recent releases landed on November 13, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Chat Memo | Oneline (todo) |
| --- | --- | --- |
| 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 9 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 22 MB | 22 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoyuki Rikiji](https://appshunter.io/developer/1465757389) | [Youngwon Seo](https://appshunter.io/developer/1605613850) |

## What reviewers say

### Chat Memo

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

This simple memo app allows for intuitive, one-line note-taking with widget support for home screen access. It offers character counting, line-by-line selection for copy-pasting, and passcode protection for privacy. The app prioritizes ease of use with no advertisements.

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

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

**In-app purchases:** none


### Oneline (todo)

[App page](https://appshunter.io/ios/app/oneline-todo/id6670331386)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chat Memo free?

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

### Is Oneline (todo) free?

Oneline (todo) is free to download, with no in-app purchases.

### Do Chat Memo or Oneline (todo) have ads?

Neither Chat Memo nor Oneline (todo) shows ads.

### Which is updated more often, Chat Memo or Oneline (todo)?

Chat Memo ships an update every 9 days, and Oneline (todo) every 2 days. Most recently, Chat Memo was updated on November 13, 2026 and Oneline (todo) on November 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*