# BluTest vs HHP3

The clearest difference is iOS requirement: BluTest at 12.0 against HHP3's 15.0. On price, update cadence, 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.

BluTest ships an update every 5 weeks, HHP3 every 2 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BluTest | HHP3 |
| --- | --- | --- |
| 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 2 months |
| Monetization | Free | — |
| Size | 19 MB | 166 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Building Automation Products, Inc](https://appshunter.io/developer/1442208652) | [Straightpoint](https://appshunter.io/developer/1232597225) |

## 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


### HHP3

[App page](https://appshunter.io/ios/app/hhp3/id6751326442)

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

**In-app purchases:** none


## Frequently asked questions

### Is BluTest free?

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

### Is HHP3 free?

HHP3 is free to download, with no in-app purchases.

### Do BluTest or HHP3 have ads?

Neither BluTest nor HHP3 shows ads.

### Which is updated more often, BluTest or HHP3?

BluTest ships an update every 5 weeks, and HHP3 every 2 months. Most recently, BluTest was updated on October 15, 2026 and HHP3 on October 24, 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.*