# Watchlog Bluetooth vs Avant Connect

The clearest difference is update cadence: Avant Connect at monthly against Watchlog Bluetooth's every 2 months. Watchlog Bluetooth's advantage is iOS requirement (13.0 vs 16.4). 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.

Watchlog Bluetooth ships an update every 2 months, Avant Connect monthly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Watchlog Bluetooth | Avant Connect |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 25 MB | 91 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hydrotechnik UK Test Engineering Ltd](https://appshunter.io/developer/1515531717) | [Avant Tecno Oy](https://appshunter.io/developer/1865852099) |

## What reviewers say

### Watchlog Bluetooth

[App page](https://appshunter.io/ios/app/watchlog-bluetooth/id6479214506)

This application facilitates Bluetooth connections for data collection from specific sensors. It is designed to work seamlessly with Hydrotechnik sensors, enabling efficient data transfer and management.

**Highlights:** Bluetooth connectivity, Hydrotechnik sensor support, Data collection, Data management

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

**In-app purchases:** none


### Avant Connect

[App page](https://appshunter.io/ios/app/avant-connect/id6757390654)

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

**In-app purchases:** none


## Frequently asked questions

### Is Watchlog Bluetooth free?

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

### Is Avant Connect free?

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

### Do Watchlog Bluetooth or Avant Connect have ads?

Neither Watchlog Bluetooth nor Avant Connect shows ads.

### Which is updated more often, Watchlog Bluetooth or Avant Connect?

Watchlog Bluetooth ships an update every 2 months, and Avant Connect monthly. Most recently, Watchlog Bluetooth was updated on November 4, 2026 and Avant Connect on November 5, 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.*