# KaNKaN vs Air

The clearest difference is price: Air at Free against KaNKaN's $2.99. Air also leads on update cadence (every 5 months vs every 101 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Air is free to download; KaNKaN costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KaNKaN ships an update every 101 months, Air every 5 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | KaNKaN | Air |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 101 months | **Every 5 months** |
| Monetization | Paid | — |
| Size | 29 MB | 8 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kaji Takatsugu](https://appshunter.io/developer/465688467) | [ALINCO](https://appshunter.io/developer/1342519345) |

## What reviewers say

### KaNKaN

[App page](https://appshunter.io/ios/app/kankan/id1084225678)

This app simulates Japanese fire truck sirens and flashing lights. It allows users to record and play back custom sounds, featuring different siren patterns and bell sounds. Note that it does not function as a real siren amplifier and legal use of siren sounds should be confirmed.

**Highlights:** Simulated fire truck sirens, Flashing light patterns, Custom sound recording, Preset siren and bell sounds, Left/right turn sound effects, Adjustable siren volume

**Features:** macOS Compatibility

**In-app purchases:** none


### Air

[App page](https://appshunter.io/ios/app/air-incom-pro/id1570076119)

**In-app purchases:** none


## Frequently asked questions

### Is KaNKaN free?

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

### Is Air free?

Air is free to download, with no in-app purchases.

### Do KaNKaN or Air have ads?

Neither KaNKaN nor Air shows ads.

### Which is updated more often, KaNKaN or Air?

KaNKaN ships an update every 101 months, and Air every 5 months. Most recently, KaNKaN was updated on October 29, 2026 and Air on October 27, 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.*