# Rocket Memo vs 了了

The clearest difference is price: Rocket Memo at Free against 了了's $0.99. Rocket Memo also leads on update cadence (every 2 weeks vs monthly). 了了's advantage is in-app purchases (none vs 4) and review sentiment (100% vs 80%). On ads, device support and iOS requirement there is nothing between them.

Rocket Memo is free to download; 了了 costs $0.99 up front. Rocket Memo sells 4 one-off in-app purchases. 了了 asks for nothing beyond the download.

Rocket Memo ships an update every 2 weeks, 了了 monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Rocket Memo | 了了 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 6 MB | 13 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yoshinori Kasaya](https://appshunter.io/developer/1460652803) | [博 王](https://appshunter.io/developer/1896544279) |

## What reviewers say

### Rocket Memo

[App page](https://appshunter.io/ios/app/rocket-memo/id1472141702)

Capture thoughts instantly with a fast, distraction-free editor. Organize notes with tags and find them quickly using a powerful search. Set reminders for important items to ensure nothing is forgotten.

**Highlights:** Instant thought capture, Distraction-free editor, Tag-based organization, Lightning-fast search, Note reminders, Cross-device support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $0.99 | one-time |
| RocketMemo Pro (One-Time) | $2.99 | one-time |
| Croissant & Coffee | $3.99 | one-time |
| Cake & Coffee | $9.99 | one-time |


### 了了

[App page](https://appshunter.io/ios/app/id6773716152)

This minimalist to-do list app combines traditional lists with the Eisenhower Matrix for efficient task management. It offers intuitive gesture controls for adding, completing, editing, and organizing tasks, providing a clean and satisfying user experience.

**Highlights:** Gesture-based task management, Eisenhower Matrix integration, Simple and intuitive interface, Task completion and recovery, Drag-and-drop reordering, iCloud synchronization

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

**In-app purchases:** none


## Frequently asked questions

### Is Rocket Memo free?

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

### Is 了了 free?

了了 costs $0.99, with no in-app purchases.

### Do Rocket Memo or 了了 have ads?

Neither Rocket Memo nor 了了 shows ads.

### Which is updated more often, Rocket Memo or 了了?

Rocket Memo ships an update every 2 weeks, and 了了 monthly. Most recently, Rocket Memo was updated on November 3, 2026 and 了了 on October 31, 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.*