# bmLogger vs TempSen Blue

The clearest difference is update cadence: bmLogger at every 3 days against TempSen Blue's every 6 months. bmLogger also leads on ratings volume (4 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for bmLogger against 5.0 for TempSen Blue. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

bmLogger ships an update every 3 days, TempSen Blue every 6 months. The most recent releases landed on September 17, 2026 and July 9, 2026 respectively.

## The numbers

| Metric | bmLogger | TempSen Blue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/bmlogger/id6654885355/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/tempsen-blue/id6744099411/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 months |
| Monetization | Free | Free |
| Size | 42 MB | 72 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Maestro](https://appshunter.io/developer/773672141) | [Tempsen Electronics Company](https://appshunter.io/developer/1331375456) |

## What reviewers say

### 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


### TempSen Blue

[App page](https://appshunter.io/ios/app/tempsen-blue/id6744099411)

This app connects to Bluetooth temperature loggers to wirelessly configure, start, stop, and download data. It securely stores information locally and allows export in PDF or Excel formats for industries handling sensitive materials.

**Highlights:** Wireless configuration of loggers, Start/stop data logging remotely, Download data from loggers, Secure local encrypted database, Export data to PDF and XLSX, Share reports instantly

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is bmLogger free?

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

### Is TempSen Blue free?

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

### Which has better reviews, bmLogger or TempSen Blue?

bmLogger and TempSen Blue are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do bmLogger or TempSen Blue have ads?

Neither bmLogger nor TempSen Blue shows ads.

### Which is updated more often, bmLogger or TempSen Blue?

bmLogger ships an update every 3 days, and TempSen Blue every 6 months. Most recently, bmLogger was updated on September 17, 2026 and TempSen Blue on July 9, 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.*