# 第77回鯱光祭 vs Hz Lab

The clearest difference is in-app purchases: 第77回鯱光祭 at none against Hz Lab's 1. 第77回鯱光祭 also leads on update cadence (daily vs every 2 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Hz Lab sells 1 one-off in-app purchase. 第77回鯱光祭 asks for nothing beyond the download.

第77回鯱光祭 ships an update daily, Hz Lab every 2 weeks. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 第77回鯱光祭 | Hz Lab |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | Free | — |
| Size | 212 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Asahigaoka high school](https://appshunter.io/developer/1477789246) | [Daishi Sugawara](https://appshunter.io/developer/6783803841) |

## What reviewers say

### 第77回鯱光祭

[App page](https://appshunter.io/ios/app/77/id6749926103)

This app guides visitors through the annual school festival, "Shokokukai," at Asahigaoka High School. It provides easy access to the festival program, class presentation schedules, and performance timings for students and guests. Discover all the convenient features to navigate the event.

**Highlights:** Festival program details, Class presentation schedules, Performance timings, Event information, Visitor guidance

**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 第77回鯱光祭 free?

第77回鯱光祭 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 第77回鯱光祭 or Hz Lab have ads?

Neither 第77回鯱光祭 nor Hz Lab shows ads.

### Which is updated more often, 第77回鯱光祭 or Hz Lab?

第77回鯱光祭 ships an update daily, and Hz Lab every 2 weeks. Most recently, 第77回鯱光祭 was updated on October 8, 2026 and Hz Lab on September 29, 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.*