# Blena vs TempSen Blue

The clearest difference is rating: TempSen Blue at 5.0 against Blena's 3.7. Blena's advantage is update cadence (every 10 days vs every 6 months) and ratings volume (3 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

TempSen Blue holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Blena ships an update every 10 days, TempSen Blue every 6 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Blena | TempSen Blue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/blena/id6717594992/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tempsen-blue/id6744099411/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 months |
| Monetization | Free | Free |
| Size | 11 MB | 72 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Oneworld Equipment Corp](https://appshunter.io/developer/1839432831) | [Tempsen Electronics Company](https://appshunter.io/developer/1331375456) |

## What reviewers say

### Blena

[App page](https://appshunter.io/ios/app/blena/id6717594992)

This app allows developers to test Bluetooth features directly from their web browser. It simplifies the use of the Web Bluetooth API, making it a valuable tool for tech professionals.

**Highlights:** Web Bluetooth API testing, Browser integration, Developer tool, Streamlined development process

**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 Blena free?

Blena 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, Blena or TempSen Blue?

TempSen Blue is rated higher. Blena averages 3.7 out of 5 from 3 ratings, while TempSen Blue averages 5.0 from 1 ratings.

### Do Blena or TempSen Blue have ads?

Neither Blena nor TempSen Blue shows ads.

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

Blena ships an update every 10 days, and TempSen Blue every 6 months. Most recently, Blena was updated on October 24, 2026 and TempSen Blue on October 19, 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.*