# AIリマインくん vs ロックメモ

The clearest difference is in-app purchases: AIリマインくん at none against ロックメモ's 7. ロックメモ's advantage is update cadence (every 2 days vs monthly) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ロックメモ sells 7 one-off in-app purchases. AIリマインくん asks for nothing beyond the download.

AIリマインくん ships an update monthly, ロックメモ every 2 days. The most recent releases landed on September 28, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | AIリマインくん | ロックメモ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 93 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tom App Works](https://appshunter.io/developer/1874760041) | [Shunsuke Kaburagi](https://appshunter.io/developer/1863899493) |

## What reviewers say

### AIリマインくん

[App page](https://appshunter.io/ios/app/ai/id6776896928)

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

**In-app purchases:** none


### ロックメモ

[App page](https://appshunter.io/ios/app/todo/id6796238041)

This app allows you to display notes and to-dos directly on your lock screen, ensuring you never forget important information. It also features a doodle function for creative expression and an idea generator to inspire your day.

**Highlights:** Lock screen note display, To-do list management, Customizable colors and designs, Freehand drawing/doodle function, Daily idea generator, Note and memo creation

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| チケット10枚 | $0.99 | one-time |
| チケット20枚 | $1.99 | one-time |
| プレミアムサービス | $2.99 | one-time |
| チケット50枚 | $3.99 | one-time |
| チケット100枚 | $5.99 | one-time |
| チケット300枚 | $14.99 | one-time |
| チケット500枚 | $24.99 | one-time |


## Frequently asked questions

### Is AIリマインくん free?

AIリマインくん is free to download, with no in-app purchases.

### Is ロックメモ free?

ロックメモ is free to download, with in-app purchases available.

### Do AIリマインくん or ロックメモ have ads?

Both AIリマインくん and ロックメモ show ads.

### Which is updated more often, AIリマインくん or ロックメモ?

AIリマインくん ships an update monthly, and ロックメモ every 2 days. Most recently, AIリマインくん was updated on September 28, 2026 and ロックメモ on October 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.*