# HEAT3D Pro vs bmLogger

The clearest difference is price: bmLogger at Free against HEAT3D Pro's $690.00. bmLogger also leads on update cadence (every 3 days vs every 5 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

bmLogger is free to download; HEAT3D Pro costs $690.00 up front. Neither carries in-app purchases, so what you see is what you pay.

HEAT3D Pro ships an update every 5 months, bmLogger every 3 days. The most recent releases landed on September 12, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | HEAT3D Pro | bmLogger |
| --- | --- | --- |
| Price | $690.00 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/bmlogger/id6654885355/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 126 MB | 42 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Electric Pocket](https://appshunter.io/developer/324114799) | [Blue Maestro](https://appshunter.io/developer/773672141) |

## What reviewers say

### HEAT3D Pro

[App page](https://appshunter.io/ios/app/heat3d-pro/id1362512281)

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

**In-app purchases:** none


### bmLogger

[App page](https://appshunter.io/ios/app/bmlogger/id6654885355)

This app connects to Bluetooth sensors to provide real-time temperature and humidity monitoring. It allows for data logging, historical analysis, and customizable alerts for various environmental conditions. Ideal for cold chain compliance, food safety, and climate control.

**Highlights:** Real-time temperature and humidity readings, Data logging and historical graphs, CSV data export, Multiple sensor connection, Customizable alerts, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is HEAT3D Pro free?

HEAT3D Pro costs $690.00, with no in-app purchases.

### Is bmLogger free?

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

### Do HEAT3D Pro or bmLogger have ads?

Neither HEAT3D Pro nor bmLogger shows ads.

### Which is updated more often, HEAT3D Pro or bmLogger?

HEAT3D Pro ships an update every 5 months, and bmLogger every 3 days. Most recently, HEAT3D Pro was updated on September 12, 2026 and bmLogger on September 17, 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.*