3pLevel Pro vs KD Serials
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3pLevel Pro
This app displays your vehicle's tilt in 3D, showing roll and pitch angles in real-time. Customize the 3D model and receive visual and audio alerts for exceeding set limits. Track and share your steepest inclines from drives.
- Real-time 3D vehicle tilt display
- Customizable 3D vehicle appearance
- Configurable roll and pitch alerts
- Records and shares maximum inclination data
- Supports degrees or percentage grade
- Portrait and landscape orientation lock
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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.
KD Serials
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KD series volt-ampere meter is a new type of coulomb meter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, remaining time, etc. At the same time, parameters can also be set to achieve full capacity voltage, zero capacity voltage, low capacity alarms, etc. Features. The meter can automatically identify the direction of the current, and can monitor the battery capacity in real time and use a broken code liquid crystal display. The measured data display information is comprehensive and user-friendly.
Screenshots
Verdict
The clearest difference is price: KD Serials at Free against 3pLevel Pro's $4.99. KD Serials also leads on iOS requirement (9.0 vs 17.6). 3pLevel Pro's advantage is update cadence (weekly vs every 4 weeks). On 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
KD Serials is free to download; 3pLevel Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
3pLevel Pro ships an update weekly, KD Serials every 4 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | 3pLevel Pro | KD Serials |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Weekly — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Stooj srl | Hangzhou Junce Instruments Co., Ltd. |
In-app purchases
3pLevel Pro
No in-app purchases
KD Serials
No in-app purchases









