# ホーム画面メモ vs Hz Lab

The clearest difference is in-app purchases: ホーム画面メモ at none against Hz Lab's 1. ホーム画面メモ also leads on iOS requirement (15.1 vs 17.0). Hz Lab's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Hz Lab sells 1 one-off in-app purchase. ホーム画面メモ asks for nothing beyond the download.

ホーム画面メモ ships an update every 3 months, Hz Lab every 2 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ホーム画面メモ | Hz Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 33 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Hata](https://appshunter.io/developer/1867657662) | [Daishi Sugawara](https://appshunter.io/developer/6783803841) |

## What reviewers say

### ホーム画面メモ

[App page](https://appshunter.io/ios/app/petari/id6757572117)

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

**In-app purchases:** none


### Hz Lab

[App page](https://appshunter.io/ios/app/hz-lab-frequency-generator/id6802062892)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hz Lab Pro | $1.99 | one-time |


## Frequently asked questions

### Is ホーム画面メモ free?

ホーム画面メモ is free to download, with no in-app purchases.

### Is Hz Lab free?

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

### Do ホーム画面メモ or Hz Lab have ads?

Neither ホーム画面メモ nor Hz Lab shows ads.

### Which is updated more often, ホーム画面メモ or Hz Lab?

ホーム画面メモ ships an update every 3 months, and Hz Lab every 2 weeks. Most recently, ホーム画面メモ was updated on October 15, 2026 and Hz Lab on October 24, 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.*