# ロック画面メッセージ vs AM38

The clearest difference is in-app purchases: ロック画面メッセージ at none against AM38's 1. ロック画面メッセージ also leads on iOS requirement (8.0 vs 17.0). AM38's advantage is update cadence (daily vs every 35 months). On price, ads and device support there is nothing between them.

Both are free to download. AM38 sells 1 in-app purchase, starting at $0.99 per month. ロック画面メッセージ asks for nothing beyond the download.

ロック画面メッセージ ships an update every 35 months, AM38 daily. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ロック画面メッセージ | AM38 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id931812704/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 90.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 35 months | **Daily** |
| Size | 12 MB | 20 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Suzuki Creative](https://appshunter.io/developer/404832413) | [RYOJI FUJIMOTO](https://appshunter.io/developer/6786563890) |

## What reviewers say

### ロック画面メッセージ

[App page](https://appshunter.io/ios/app/id931812704)

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

**In-app purchases:** none


### AM38

[App page](https://appshunter.io/ios/app/am38/id6786642898)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AM38 Plus | $0.99 | per month |


## Frequently asked questions

### Is ロック画面メッセージ free?

ロック画面メッセージ is free to download, with no in-app purchases.

### Is AM38 free?

AM38 is free to download, with in-app purchases available.

### Do ロック画面メッセージ or AM38 have ads?

Neither ロック画面メッセージ nor AM38 shows ads.

### Which is updated more often, ロック画面メッセージ or AM38?

ロック画面メッセージ ships an update every 35 months, and AM38 daily. Most recently, ロック画面メッセージ was updated on October 22, 2026 and AM38 on October 28, 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.*