# Hydromet Cloud vs ATAGO Bluetooth Logger

The clearest difference is update cadence: ATAGO Bluetooth Logger at every 4 days against Hydromet Cloud's every 4 months. 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.

Hydromet Cloud ships an update every 4 months, ATAGO Bluetooth Logger every 4 days. The most recent releases landed on October 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Hydromet Cloud | ATAGO Bluetooth Logger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 17 MB | 33 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OTT HydroMet Corp](https://appshunter.io/developer/1785982437) | [ATAGO CO.,LTD](https://appshunter.io/developer/907021890) |

## What reviewers say

### Hydromet Cloud

[App page](https://appshunter.io/ios/app/hydromet-cloud/id1149267443)

**Features:** Vision Pro support

**In-app purchases:** none


### ATAGO Bluetooth Logger

[App page](https://appshunter.io/ios/app/atago-bluetooth-logger/id6747473304)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hydromet Cloud free?

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

### Is ATAGO Bluetooth Logger free?

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

### Do Hydromet Cloud or ATAGO Bluetooth Logger have ads?

Neither Hydromet Cloud nor ATAGO Bluetooth Logger shows ads.

### Which is updated more often, Hydromet Cloud or ATAGO Bluetooth Logger?

Hydromet Cloud ships an update every 4 months, and ATAGO Bluetooth Logger every 4 days. Most recently, Hydromet Cloud was updated on October 10, 2026 and ATAGO Bluetooth Logger on September 26, 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.*