# Chat Memo vs tetrify

The clearest difference is in-app purchases: Chat Memo at none against tetrify's 4. Chat Memo also leads on review sentiment (100% vs 86%). tetrify's advantage is rating (4.8 vs 4.3) and ratings volume (60 vs 9). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. tetrify sells 3 in-app purchases, starting at $1.99 per month. Chat Memo asks for nothing beyond the download.

tetrify holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: tetrify has 60 ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 100% of Chat Memo's written reviews are positive against 86% of tetrify's, so the app with the better star average is not the one people write more warmly about.

Chat Memo ships an update weekly, tetrify every 6 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Chat Memo | tetrify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (9 ratings)](https://appshunter.io/ios/app/chat-memo-simple-note-app/id1465757390/reviews) | **[4.8 (60 ratings)](https://appshunter.io/ios/app/tetrify-text-yourself/id6447967703/reviews)** |
| Number of ratings | 9 | **60** |
| Positive reviews | **100.0% of reviews** | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 131 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Naoyuki Rikiji](https://appshunter.io/developer/1465757389) | [tetr, LLC](https://appshunter.io/developer/1683133408) |

## What reviewers say

### 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


### tetrify

[App page](https://appshunter.io/ios/app/tetrify-text-yourself/id6447967703)

Capture to-dos, ideas, and track habits using a familiar texting interface. Turn any text into organized notes and reminders without complex menus. Designed for quick thought capture and personalized organization.

**Highlights:** Instant capture through chat, Smart Spaces for notes, tasks, journal, habits, Privacy-first and local data storage, Familiar chat interface, Cross-device sync via iCloud, Export notes to other apps

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| tetrify Pro | $1.99 | per month |
| tetrify Pro | $14.99 | per year |
| tetrify Offline | $19.99 | one-time |


## Frequently asked questions

### Is Chat Memo free?

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

### Is tetrify free?

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

### Which has better reviews, Chat Memo or tetrify?

tetrify is rated higher. Chat Memo averages 4.3 out of 5 from 9 ratings, while tetrify averages 4.8 from 60 ratings.

### Do Chat Memo or tetrify have ads?

Neither Chat Memo nor tetrify shows ads.

### Which is updated more often, Chat Memo or tetrify?

Chat Memo ships an update weekly, and tetrify every 6 days. Most recently, Chat Memo was updated on November 3, 2026 and tetrify 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.*