# ロック画面メモ vs Artivation App

The clearest difference is in-app purchases: Artivation App at none against ロック画面メモ's 3. Artivation App also leads on ads (none vs shown) and update cadence (weekly vs every 4 months). ロック画面メモ's advantage is review sentiment (41% vs 25%). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. ロック画面メモ sells 3 one-off in-app purchases. Artivation App asks for nothing beyond the download.

ロック画面メモ ships an update every 4 months, Artivation App weekly. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ロック画面メモ | Artivation App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/id896419388/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **41.1% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 4 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Suzuki Creative](https://appshunter.io/developer/404832413) | [Artivation Corp.](https://appshunter.io/developer/1809590369) |

## What reviewers say

### ロック画面メモ

[App page](https://appshunter.io/ios/app/id896419388)

Create custom wallpapers for your lock screen by overlaying notes onto your favorite photos. Ideal for those who need constant reminders or want to visualize their goals.

**Highlights:** Overlay notes on custom images, Extensive background image samples, Live preview editing, Save notes to lock screen wallpaper

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | one-time |
| 複数メモ機能 | $2.99 | one-time |
| メモ履歴 | $3.99 | one-time |


### Artivation App

[App page](https://appshunter.io/ios/app/artivation-app/id6744857621)

This AI-powered application focuses on English-Japanese translation and Japanese vocabulary search. It offers easy, clear, and in-depth learning with categorized content and a testing feature to reinforce vocabulary.

**Highlights:** AI Dictionary, English-Japanese translation, Japanese vocabulary search, Categorized content, Vocabulary testing feature

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ロック画面メモ free?

ロック画面メモ is free to download, with in-app purchases available.

### Is Artivation App free?

Artivation App is free to download, with no in-app purchases.

### Do ロック画面メモ or Artivation App have ads?

ロック画面メモ shows ads; Artivation App does not.

### Which is updated more often, ロック画面メモ or Artivation App?

ロック画面メモ ships an update every 4 months, and Artivation App weekly. Most recently, ロック画面メモ was updated on September 21, 2026 and Artivation App on September 9, 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.*