# Bluefy vs KatKalk

The clearest difference is update cadence: KatKalk at every 9 days against Bluefy's every 2 months. Bluefy's advantage is iOS requirement (12.0 vs 15.0). 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.

Bluefy ships an update every 2 months, KatKalk every 9 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bluefy | KatKalk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.3K ratings)](https://appshunter.io/ios/app/bluefy-web-ble-browser/id1492822055/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 41.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 15 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [PNN SOFT](https://appshunter.io/developer/603549243) | [Marcin Kilinski](https://appshunter.io/developer/1756888297) |

## What reviewers say

### Bluefy

[App page](https://appshunter.io/ios/app/bluefy-web-ble-browser/id1492822055)

This browser allows direct smartphone connection to nearby Bluetooth devices from web pages, eliminating the need for native apps. It supports various BLE devices like smart home appliances and medical sensors, enabling interaction and data retrieval.

**Highlights:** Web Bluetooth API support, Connect to BLE devices directly from web, Interact with smart home appliances, Connect with medical devices, Develop Progressive Web Apps (PWA), Secure connection (HTTPS) required for Web Bluetooth

**Features:** Vision Pro support

**In-app purchases:** none


### KatKalk

[App page](https://appshunter.io/ios/app/katkalk/id6792461378)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bluefy free?

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

### Is KatKalk free?

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

### Do Bluefy or KatKalk have ads?

Neither Bluefy nor KatKalk shows ads.

### Which is updated more often, Bluefy or KatKalk?

Bluefy ships an update every 2 months, and KatKalk every 9 days. Most recently, Bluefy was updated on November 7, 2026 and KatKalk on October 31, 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.*