# Simple Memo Notes vs ロックメモ

The clearest difference is ads: Simple Memo Notes at none against ロックメモ's shown. ロックメモ's advantage is update cadence (every 2 days vs every 3 weeks) and iOS requirement (15.0 vs 26.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Memo Notes sells 2 in-app purchases, starting at $24.99 per month and ロックメモ sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Simple Memo Notes ships an update every 3 weeks, ロックメモ every 2 days. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Simple Memo Notes | ロックメモ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 93 MB |
| Requires iOS | 26.4 | **15.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazuki Iwanaga](https://appshunter.io/developer/1791711015) | [Shunsuke Kaburagi](https://appshunter.io/developer/1863899493) |

## What reviewers say

### Simple Memo Notes

[App page](https://appshunter.io/ios/app/simple-memo-notes/id6761122777)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MagicMemo Pro 月額プラン | $24.99 | per month |
| MagicMemo Pro 年額プラン | $199.99 | per year |


### 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 Simple Memo Notes free?

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

### Is ロックメモ free?

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

### Do Simple Memo Notes or ロックメモ have ads?

ロックメモ shows ads; Simple Memo Notes does not.

### Which is updated more often, Simple Memo Notes or ロックメモ?

Simple Memo Notes ships an update every 3 weeks, and ロックメモ every 2 days. Most recently, Simple Memo Notes was updated on October 2, 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.*