# BluTest vs W

The clearest difference is update cadence: BluTest at every 5 weeks against W's every 4 months. BluTest also leads on iOS requirement (12.0 vs 15). 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.

BluTest ships an update every 5 weeks, W every 4 months. The most recent releases landed on June 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | BluTest | W |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/blutest/id1468301498/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 19 MB | 45 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Building Automation Products, Inc](https://appshunter.io/developer/1442208652) | [LumenRadio AB](https://appshunter.io/developer/1443137236) |

## What reviewers say

### BluTest

[App page](https://appshunter.io/ios/app/blutest/id1468301498)

Connect to precision test instruments to measure temperature, humidity, and pressure. Log data directly from smart devices for easy access and sharing. The app simplifies commissioning, troubleshooting, and building automation system comparisons.

**Highlights:** Connect to Blü-Test sensor probes, Measure temperature, humidity, and pressure, Log data directly to smart devices, Save logs on probe and app, Email logs for reporting, Graph and compare data points

**Features:** macOS Compatibility

**In-app purchases:** none


### W

[App page](https://appshunter.io/ios/app/w-bacnet/id6472276160)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BluTest free?

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

### Is W free?

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

### Do BluTest or W have ads?

Neither BluTest nor W shows ads.

### Which is updated more often, BluTest or W?

BluTest ships an update every 5 weeks, and W every 4 months. Most recently, BluTest was updated on June 1, 2026 and W on September 8, 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.*