# PiPO vs NFC出席簿

The clearest difference is price: NFC出席簿 at Free against PiPO's $2.99. NFC出席簿 also leads on update cadence (every 2 months vs every 14 months). PiPO's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

NFC出席簿 is free to download; PiPO costs $2.99 up front. NFC出席簿 sells 1 one-off in-app purchase. PiPO asks for nothing beyond the download.

PiPO ships an update every 14 months, NFC出席簿 every 2 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | PiPO | NFC出席簿 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pipo/id983719927/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 39 MB | 11 MB |
| Requires iOS | **7.1** | 26.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kaji Takatsugu](https://appshunter.io/developer/465688467) | [KAZUTOSHI KINOSHITA](https://appshunter.io/developer/1148380017) |

## What reviewers say

### PiPO

[App page](https://appshunter.io/ios/app/pipo/id983719927)

This app simulates Japanese ambulance sirens and emergency vehicle sounds. It features recorded siren sounds, voice recordings, and a flashing light effect. It is not a real siren amplifier but a sound playback application.

**Highlights:** Ambulance siren sounds, Emergency vehicle voice recordings, Record and playback custom audio, Flashing light effect, Automatic siren function

**Features:** macOS Compatibility

**In-app purchases:** none


### NFC出席簿

[App page](https://appshunter.io/ios/app/nfc/id1483922547)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| メール作成回数(120回分) | $0.99 | one-time |


## Frequently asked questions

### Is PiPO free?

PiPO costs $2.99, with no in-app purchases.

### Is NFC出席簿 free?

NFC出席簿 is free to download, with in-app purchases available.

### Do PiPO or NFC出席簿 have ads?

NFC出席簿 shows ads; PiPO does not.

### Which is updated more often, PiPO or NFC出席簿?

PiPO ships an update every 14 months, and NFC出席簿 every 2 months. Most recently, PiPO was updated on September 22, 2026 and NFC出席簿 on September 21, 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.*