3pLevel Pro vs Brussels Air
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3pLevel Pro
This app provides a clean and intuitive inclinometer for measuring rolling and pitching angles. It offers customizable views, visual and audio alarms, and screen orientation lock for off-road or urban use.
- Measure rolling and pitching inclination
- Track maximum inclination reached
- Customizable inclinometer views
- Visual and audio inclination alarms
- Screen orientation lock
- Inclinometer calibration
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See your vehicle tilt, in 3D. 3pLevel shows your vehicle's roll and pitch while you drive: a 3D vehicle that leans with the real angles, so you can tell at a glance how far you are from the limit on a side slope or a steep climb. 3D, your way • Two views, one from behind for roll and one from the side for pitch, or one large vehicle • Choose the paint color of the 3D vehicle • Prefer pictures? Pick an illustration, a silhouette that turns red past your limit, or a photo of your own vehicle with the background removed for you Alerts you can't miss • A red flash and a sound when roll or pitch passes your limit • A gap alert when the angle changes suddenly • See the steepest roll and pitch you reached on the trail • Dials with your inclination limit in red and your max inclination in blue Your max inclination, ready to share • Tap Start when you set off and Finish at the end: the drive's max roll and pitch, with its time • Share your max inclination as an image on social media or with friends: on a drawn slope, a trail photo, or a photo of your own • Reopen your last drive's max and share it later Made for the car • Set the level once with the phone in its holder; 3pLevel remembers it and asks again if the phone has moved • Degrees or % (grade) • Portrait or landscape, with an orientation lock • Light, dark or automatic, with large readouts, eight background colors and true black in dark mode • In English, German, Spanish, French, Italian and Dutch 3pLevel Pro • Import your own vehicle: a 3D scan made with your iPhone, or a model from the web (USDZ or OBJ) • iPhone and iPad, in any window size next to your maps More for the road from the same team. For off-road, overlanding and rally-raid tripmaster duty, see 3pMaster. For regularity (TSD/CAST) rallying, roadbook navigation and open-road timing, see 3pRally.
Brussels Air
Monitor real-time outdoor air pollution levels in the Brussels-Capital Region. Understand your exposure to pollutants and adapt your behavior to protect your health and contribute to better air quality.
- Real-time pollutant concentration tracking
- Understand personal pollution exposure
- Behavioral adaptation for health
- Daily actions for air quality
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L’app Brussels Air Quality ainsi que le site web "Qualité de l'air" de Bruxelles Environnement vous permettent de suivre en permanence et en temps réel l'évolution des concentrations en polluants dans l'air ambiant en Région de Bruxelles-Capitale. Cette app vous permet : • de mieux connaitre votre exposition à la pollution de l’air extérieur • d’adapter votre comportement pour protéger votre sante • d’agir au quotidien en faveur de la qualité de l’air
Screenshots
Verdict
The clearest difference is review sentiment: 3pLevel Pro at 100% against Brussels Air's 0%. Brussels Air's advantage is price (Free vs $4.99) and rating (5.0 vs 3.5). On ratings volume, ads, in-app purchases and device support 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
Brussels Air is free to download; 3pLevel Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Brussels Air holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews complicate that: 100% of 3pLevel Pro's written reviews are positive against 0% of Brussels Air's, so the app with the better star average is not the one people write more warmly about.
3pLevel Pro ships an update every 14 months, Brussels Air every 4 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | 3pLevel Pro | Brussels Air |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.5 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 14 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15 — better |
| Further details — not scored | ||
| Size | 6 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Stooj srl | Bruxelles Environnement / Leefmilieu Brussel |
Customer experience
3pLevel Pro
Brussels Air
In-app purchases
3pLevel Pro
No in-app purchases
Brussels Air
No in-app purchases





