dDrives vs BluVac
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dDrives
Access alarm descriptions, troubleshooting guides, and user manuals for Danfoss VLT drives. This professional tool provides essential information for commissioning and service, supporting a wide range of drive models.
- Alarm descriptions
- Troubleshooting guides
- User manual links
- Support for multiple VLT drive models
- Multilingual alarm descriptions
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The "dDrives - VFD help" app provides quick access to alarm descriptions of Danfoss VLT drives. In a second you get a full alarm description, troubleshooting guide and even a link to the latest user manual. App greatly helps by commissioning and service giving you the necessary information when you need it and where you need it. It is a small but really feature-full application. A professional tool for professionals. Currently supported drives: VLT2800, VLT5000, FC51, FC101, FC102, FC103, FC202, FC280, FC301, FC302, FCD302, FCM106, FCP106, LD302, MCD200, MCD500, MCO305, MCO350, MCO351. The app is in English. For most popular drives the alarms descriptions are also available in French, Português, Russian, Spanish and simplified Chinese. DISCLAIMER This app IS NOT affiliated with Danfoss A/S or any of its affiliates!
BluVac
Connect to compatible vacuum gauges via Bluetooth to perform detailed system evacuations. Features timed tests, decay tests, and data recording. Offers advanced reporting, multiple gauge connections, and geolocation for enhanced screenshots.
- Bluetooth gauge connection
- Timed evacuation tests
- Decay test functionality
- Detailed results viewing
- mQ Assist integration
- Pro Report feature
- Connect up to 6 gauges
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Easily connect and perform detailed system evacuations with your BluVac+ Pro, BluVac+ LTE, and BluVac+ Micro vacuum gauges via Bluetooth. With the BluVac+ Pro, you can perform timed evacuation and decay tests, set target times, and view detailed results. For BluVac+ LTE and Micro, quickly record and display essential data. The app now features mQ Assist integration for evacuation guidance, an improved interface, and geolocation tracking for enhanced screenshots. Additional upgrades include a new Pro Report feature, the ability to connect up to 6 BluVac gauges simultaneously, and the option to rename gauges by their function (e.g., Pump, Core Tool, System). Plus, the decay test will now only start once the evacuation rate hits zero.
Screenshots
Verdict
The clearest difference is rating: BluVac at 5.0 against dDrives's 4.5. BluVac also leads on in-app purchases (none vs 1). dDrives's advantage is ratings volume (32 vs 2) and review sentiment (50% vs 36%). On price, update cadence, ads and monetization model 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. dDrives sells 1 one-off in-app purchase. BluVac asks for nothing beyond the download.
BluVac holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: dDrives has 32 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 50% of dDrives's written reviews are positive against 36% of BluVac's, so the app with the better star average is not the one people write more warmly about.
dDrives ships an update monthly, BluVac every 2 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.
| Parameter | dDrives | BluVac |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (32 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews — better | 36.4% of reviews |
| Number of ratings | 32 — better | 2 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Evgeny Makarenkov | measureQuick |
Customer experience
dDrives
BluVac
In-app purchases
dDrives
- All Drives$1.99
BluVac
No in-app purchases








