Comparison

Retaining Walls App vs U

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Retaining Walls App

Estimate residential retaining wall projects with a step-by-step process. Input project details like height, length, and soil type to get block quantity estimates. Submit projects for a free in-depth estimate and find local dealers.

Highlights
  • Step-by-step project estimation
  • Block quantity calculation
  • Optional coordinate input for accuracy
  • Free in-depth estimate submission
  • Photo gallery for project ideas
  • Dealer locator
Features
Read full description

Description: This estimating tool guides you through a simple step-by step process to estimate your residential retaining wall project. Use the simple screens to enter information about your project for height, length, soil type and then choose a condition that represents your yard. As an option you can enter in exact X, Y and Z coordinates of your wall to adjust the projects location and height information for more exact estimates. Entering in this basic information will give you a rough estimate of the blocks you will need in an easy to read format. Want a more in depth estimate? Submit your project to the Allan Block Design Center and receive a Free estimate that includes cross sections, block and material estimates quantities. In addition, you will also receive a customized list of recommended dealers so you can get started right away on your landscape transformation. A photo gallery is included so you can browse through the applications for project ideas, looks and styles of the Allan Block Retaining Wall products from projects all over the world. This AB Walls Estimator and Project Portfolio include the following features: • Bird’s eye and front views of your wall • Coordinate locations can be entered (X, Y and Z) • Customizable not only length, but top and bottom of wall locations • Details/cross sections of your wall design • Block estimates for each of the locally available Allan Block Collections • Photo/project gallery • Links to additional information: videos, installation instructions, and more from our website, allanblock.com • List of recommended local Allan Block Dealers. • Works on iPad, iPhone, iPod Touch, Windows and Mac computers

About

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.

Highlights
  • 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
Features
Read full description

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

Retaining Walls App4 screens
U3 screens

Verdict

The call

The clearest difference is rating: U at 5.0 against Retaining Walls App's 1.5. Retaining Walls App's advantage is ratings volume (15 vs 1) and update cadence (every 5 weeks vs every 2 months). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

U holds the better App Store score, 5.0 against 1.5. That said, the two scores are not equally well evidenced: Retaining Walls App has 15 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Retaining Walls App ships an update every 5 weeks, U every 2 months. The most recent releases landed on June 11, 2026 and July 5, 2026 respectively.

Scorecard4 real differences · 6 level
Retaining Walls App versus U: the parameters behind the verdict, then further details
ParameterRetaining Walls AppU
PriceFreeFree
Rating1.5 (15 ratings)5.0 (1 ratings) — better
Positive reviews34.3% of reviews—
Number of ratings15 — better1
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better14
Further details — not scored
Size54 MB18 MB
Age rating4+4+
DeveloperAllan BlockMike East

Customer experience

Retaining Walls App

All ratings15 ratings
Positive13.3%
Neutral0.0%
Negative86.7%
Written reviews35 reviews
Positive34.3%
Neutral2.9%
Negative62.9%

U

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Retaining Walls App

No in-app purchases

None

U

No in-app purchases

Questions

Is Retaining Walls App free?
Retaining Walls App is free to download, with no in-app purchases.
Is U free?
U is free to download, with no in-app purchases.
Which has better reviews, Retaining Walls App or U?
U is rated higher. Retaining Walls App averages 1.5 out of 5 from 15 ratings, while U averages 5.0 from 1 ratings.
Do Retaining Walls App or U have ads?
Neither Retaining Walls App nor U shows ads.
Which is updated more often, Retaining Walls App or U?
Retaining Walls App ships an update every 5 weeks, and U every 2 months. Most recently, Retaining Walls App was updated on June 11, 2026 and U on July 5, 2026.

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