# KaNKaN vs IDNect

The clearest difference is price: IDNect at Free against KaNKaN's $2.99. IDNect also leads on update cadence (weekly vs every 101 months). KaNKaN's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

IDNect is free to download; KaNKaN costs $2.99 up front. IDNect sells 1 in-app purchase, starting at $0.49 per month. KaNKaN asks for nothing beyond the download.

KaNKaN ships an update every 101 months, IDNect weekly. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | KaNKaN | IDNect |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 101 months | **Weekly** |
| Monetization | Paid | — |
| Size | 29 MB | 40 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kaji Takatsugu](https://appshunter.io/developer/465688467) | [Kosuke Shigematsu](https://appshunter.io/developer/1643821950) |

## 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


### IDNect

[App page](https://appshunter.io/ios/app/idnect/id6670595423)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1Month Subscription | $0.49 | per month |


## Frequently asked questions

### Is KaNKaN free?

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

### Is IDNect free?

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

### Do KaNKaN or IDNect have ads?

IDNect shows ads; KaNKaN does not.

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

KaNKaN ships an update every 101 months, and IDNect weekly. Most recently, KaNKaN was updated on October 17, 2026 and IDNect on October 11, 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.*