# プログラムチャイム vs Naravi通知・入退室管理

The clearest difference is update cadence: プログラムチャイム at daily against Naravi通知・入退室管理's every 6 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

プログラムチャイム ships an update daily, Naravi通知・入退室管理 every 6 days. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | プログラムチャイム | Naravi通知・入退室管理 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 days |
| Size | 12 MB | 44 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hirotaka Mori](https://appshunter.io/developer/1217121913) | [tomohiro hori](https://appshunter.io/developer/1816696335) |

## What reviewers say

### プログラムチャイム

[App page](https://appshunter.io/ios/app/id6744113770)

**Features:** macOS Compatibility

**In-app purchases:** none


### Naravi通知・入退室管理

[App page](https://appshunter.io/ios/app/naravi/id6746408576)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is プログラムチャイム free?

プログラムチャイム is free to download, with no in-app purchases.

### Is Naravi通知・入退室管理 free?

Naravi通知・入退室管理 is free to download, with no in-app purchases.

### Do プログラムチャイム or Naravi通知・入退室管理 have ads?

Neither プログラムチャイム nor Naravi通知・入退室管理 shows ads.

### Which is updated more often, プログラムチャイム or Naravi通知・入退室管理?

プログラムチャイム ships an update daily, and Naravi通知・入退室管理 every 6 days. Most recently, プログラムチャイム was updated on October 14, 2026 and Naravi通知・入退室管理 on October 15, 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.*