# Watchlog Bluetooth vs SmartSite.live

The clearest difference is update cadence: SmartSite.live at every 5 days against Watchlog Bluetooth's every 2 months. Watchlog Bluetooth's advantage is iOS requirement (13.0 vs 15.6). 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, SmartSite.live every 5 days. The most recent releases landed on September 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Watchlog Bluetooth | SmartSite.live |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 25 MB | 31 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hydrotechnik UK Test Engineering Ltd](https://appshunter.io/developer/1515531717) | [SMARTSITE.LIVE LTD](https://appshunter.io/developer/1795737833) |

## 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


### SmartSite.live

[App page](https://appshunter.io/ios/app/smartsitelive/id6741812241)

**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 SmartSite.live free?

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

### Do Watchlog Bluetooth or SmartSite.live have ads?

Neither Watchlog Bluetooth nor SmartSite.live shows ads.

### Which is updated more often, Watchlog Bluetooth or SmartSite.live?

Watchlog Bluetooth ships an update every 2 months, and SmartSite.live every 5 days. Most recently, Watchlog Bluetooth was updated on September 23, 2026 and SmartSite.live on October 22, 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.*