Level3D vs U
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Level3D
This utility app offers a suite of leveling tools, including bubble level, roof pitch, and grade measurement. It leverages an orientation device for advanced functions like dual bubble levels and beam distortion.
- Bubble Level
- Roof Pitch
- Grade Measurement
- Cross Grade
- Range of Motion Tracking
- Dual Bubble Levels
- Beam Distortion
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Yes, the Hitch Pitch makes a great level too. Level3D is a tool box of leveling functions, that when used in conjunction with the Hitch Pitch orientation device, provides output that simplifies many leveling tasks. Level3D provides the following: Bubble Level Roof Pitch Grade Cross Grade Range of Motion tracking Level3D provides the following functions using two Hitch Pitches: Dual Bubble Levels Beam Distortion More to come Please leave a review if you have any suggestions for changes to current or even new tools you would like to see.
U
This professional tool allows construction professionals to precisely measure 3D terrain and hardscape elements. It captures X, Y, and Z coordinates, calculates slope percentages, and displays elevation above sea level. Users can save, email, or upload survey data directly into CAD software for accurate job bidding.
- 3D X,Y,Z measurement plotting
- Save, email, and upload survey data
- Direct CAD integration
- Calculate % of slope
- Feet above sea level elevation
- Photos with data
- Compass functionality
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U-Level 3D Terrain Mapping and Hardscape Leveling System The only Precision Construction Altimeter on the market that allows you to plot or survey true 3D X,Y, and Z measurements then save, email, or upload directly into CAD. Seamlessly load your surveys into Uvision. The ultimate instrument for bidding jobs. Figures % of Slope, Engineering Scale- Feet above sea level, includes photos with data, and compass. Designed for the true professional specifically for the Hardscape Industry by Hardscape Pros!
Screenshots
Verdict
The clearest difference is update cadence: U at every 2 months against Level3D's every 7 months. U also leads on iOS requirement (14 vs 18.0). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Level3D against 5.0 for U. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Level3D ships an update every 7 months, U every 2 months. The most recent releases landed on September 7, 2026 and July 5, 2026 respectively.
| Parameter | Level3D | U |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 7 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 14 — better |
| Further details — not scored | ||
| Size | 38 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | J2C Engineering LLC | Mike East |
Customer experience
Level3D
U
In-app purchases
Level3D
No in-app purchases
U
No in-app purchases
