3pLevel vs App4SHM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3pLevel
This utility app helps you monitor your vehicle's inclination with a clean and user-friendly interface. It offers customizable views, alarms, and calibration options for both off-road and urban use.
- Monitor rolling and pitching inclination
- Check and reset maximum inclination
- Choose between image and degree representation
- Customize inclinometer views with custom images
- Set visual and audio inclination alarms
- Calibrate based on current inclination status
- Works in portrait and landscape modes
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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 Want your own vehicle in 3D? Get 3pLevel Pro. Already have 3pLevel? Get Pro at a reduced price with the 3pLevel + Pro bundle on the App Store. 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.
App4SHM
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App4SHM is a smartphone application for structural health monitoring (SHM) of bridges or other civil structures to assess their condition after a catastrophic event or when required by authorities and stakeholders. The application interrogates the phone’s internal accelerometer to measure structural accelerations and applies artificial intelligence techniques to detect damage in almost real time. App4SHM resulted from academic research developed at Lusófona University, in particular the Civil Research Group and the Department of Computer Engineering and Information Systems.
Screenshots
Verdict
The clearest difference is price: App4SHM at Free against 3pLevel's $1.99. App4SHM also leads on iOS requirement (13.0 vs 17.6). On update cadence, 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
App4SHM is free to download; 3pLevel costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
3pLevel ships an update every 2 months, App4SHM every 4 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.
| Parameter | 3pLevel | App4SHM |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Stooj srl | COFAC |
In-app purchases
3pLevel
No in-app purchases
App4SHM
No in-app purchases









