# Interest vs Kmic

The clearest difference is in-app purchases: Interest at none against Kmic's 2. Interest also leads on iOS requirement (9.0 vs 15.0). Kmic's advantage is update cadence (every 2 months vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Kmic sells 2 in-app purchases, starting at $7.99 per 7 days. Interest asks for nothing beyond the download.

Interest ships an update every 6 months, Kmic every 2 months. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Interest | Kmic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (16 ratings)](https://appshunter.io/ios/app/kmic-bluetooth-microphone/id6748861815/reviews)** |
| Number of ratings | — | **16** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 8 MB | 35 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Consultores Sistemas J.E.](https://appshunter.io/developer/1235829045) | [Heap Labs LLC](https://appshunter.io/developer/840318089) |

## What reviewers say

### Interest

[App page](https://appshunter.io/ios/app/interest/id1380325066)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kmic

[App page](https://appshunter.io/ios/app/kmic-bluetooth-microphone/id6748861815)

Turn your iPhone into a wireless microphone for karaoke or live streaming. Connect to Bluetooth or AirPlay speakers and apply real-time voice effects. Features noise reduction and intuitive controls for a professional sound.

**Highlights:** Wireless karaoke microphone, Bluetooth/AirPlay speaker connection, 13 voice effects, Noise gate and reduction, Real-time effect processing, Intuitive controls

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $7.99 | per 7 days |
| Pro | $24.99 | per year |


## Frequently asked questions

### Is Interest free?

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

### Is Kmic free?

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

### Do Interest or Kmic have ads?

Neither Interest nor Kmic shows ads.

### Which is updated more often, Interest or Kmic?

Interest ships an update every 6 months, and Kmic every 2 months. Most recently, Interest was updated on October 3, 2026 and Kmic 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.*