BluTest vs Hello Ravenna
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BluTest
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.
- 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
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Connect to Blü-Test precision test instruments to measure temperature, relative humidity or differential pressure. Immediately log data through smart device communication for convenience and accessibility. The logs are saved on the probe and the app, and can be emailed to your account for use in commissioning, troubleshooting or comparing against your building automation system. Blü-Test is very simple to use. Start the app on your smart phone or tablet and select the probe to view live data from that device. Multiple data points can be logged, graphed or emailed. Select which probe logs to download to your device, link logs to sites and locations, and use a thorough set of calculators to make using Blu-Test easier than ever before.
Hello Ravenna
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See a pothole that needs filling? Graffiti making a mess of your neighborhood? Tap right into your city and report the issue fast with Hello Ravenna!
Screenshots
Verdict
The clearest difference is iOS requirement: BluTest at 12.0 against Hello Ravenna's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, Hello Ravenna monthly. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.
| Parameter | BluTest | Hello Ravenna |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Building Automation Products, Inc | GOGov, Inc. |
In-app purchases
BluTest
No in-app purchases
Hello Ravenna
No in-app purchases









