Comparison

ShapeInfo Plus vs RSR Alignment App

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

Head to head
About

ShapeInfo Plus

This app calculates lengths, angles, and areas for various geometric shapes. It supports a wide range of 2D and 3D shapes, making it a handy tool for engineers and students.

Highlights
  • Calculate lengths, angles, and area
  • Calculate volume for 3D shapes
  • Supports various 2D and 3D shapes
  • User-friendly input for calculations
  • Immediate calculation results
Features
Read full description

Feature The ShapeInfo is useful application for calculating shape lengths, angles and area. You can get some calculated lengths and angles of the shape from choosing and entering values in the boxes upon the orange points. How to use 1. Choosing shape from the list. 2. Enter the value to the box upon the orange points. You can change the formation of the orange points by "NEXT" button (orange color) or tapping orange/gray point near the box that you are going to enter the value. 3. You can get calculated values of the shape, immediately after entering values. Applications - For the software developer, the mechanical engineer, the dynamics engineer and the surveying engineer. - Study mathematics for high school students. Functions - Calculate lengths, angles and the area for the right triangle, the triangle, the sector, the circle and ellipse. - Calculate volume for the triangular pyramid, the triangular prism, the circular cone, circular cylinder and the sphere. Shapes - Right triangle - Triangle - Sector - Circle - Ellipse - Triangular pyramid - Triangular prism - Circular cone - Circular cylinder - Oblique cutting circular cylinder - Sphere Disclaimer Appsys does not accept responsibility for any loss, which may arise from reliance on the software or materials published on this site.

About

RSR Alignment App

Measure camber and toe angles using your smartphone. The app displays angles for all four corners, allows zero point adjustment, and stores measurement data for later reference. It also lets you change the measurement interval.

Highlights
  • Measure camber angle
  • Measure toe angle
  • Display four-corner angles
  • Zero point adjustment
  • Store measurement data
  • Change measurement interval
Features
Read full description

You can measure camber angle and toe in with your smart phone. 【Function】 (When adjusting the camber) ・Display the angles of four corners. ・Zero point adjustment ・Store the measurement data and refer to it. ・Change the measurement interval (When adjusting the toe) ・Store the data and refer to it. 【Operating system】 Measurement accuracy may differ depending on performance of the sensor equipped on the smart phone.

Screenshots

ShapeInfo Plus4 screens
RSR Alignment App4 screens

Verdict

The call

The clearest difference is review sentiment: ShapeInfo Plus at 68% against RSR Alignment App's 0%. ShapeInfo Plus also leads on rating (4.6 vs 3.0) and ratings volume (31 vs 2). RSR Alignment App's advantage is price (Free vs $0.99) and update cadence (every 3 months vs every 6 months). 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

CostPrice · In-app purchases · Ads · Monetization

RSR Alignment App is free to download; ShapeInfo Plus costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ShapeInfo Plus holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: ShapeInfo Plus has 31 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 68% of ShapeInfo Plus's written reviews are positive against 0% of RSR Alignment App's.

UpkeepUpdate frequency

ShapeInfo Plus ships an update every 6 months, RSR Alignment App every 3 months. The most recent releases landed on September 23, 2026 and June 11, 2026 respectively.

Scorecard7 real differences · 3 level
ShapeInfo Plus versus RSR Alignment App: the parameters behind the verdict, then further details
ParameterShapeInfo PlusRSR Alignment App
Price$0.99Free — better
Rating4.6 (31 ratings) — better3.0 (2 ratings)
Positive reviews67.9% of reviews — better0.0% of reviews
Number of ratings31 — better2
Update frequencyEvery 6 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size11 MB57 MB
Age rating4+4+
DeveloperNoriyasu KutsuzawaTMC CO.,LTD

Customer experience

ShapeInfo Plus

All ratings31 ratings
Positive90.3%
Neutral3.2%
Negative6.5%
Written reviews28 reviews
Positive67.9%
Neutral14.3%
Negative17.9%

RSR Alignment App

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive0.0%
Neutral33.3%
Negative66.7%

In-app purchases

None

ShapeInfo Plus

No in-app purchases

None

RSR Alignment App

No in-app purchases

Questions

Is ShapeInfo Plus free?
ShapeInfo Plus costs $0.99, with no in-app purchases.
Is RSR Alignment App free?
RSR Alignment App is free to download, with no in-app purchases.
Which has better reviews, ShapeInfo Plus or RSR Alignment App?
ShapeInfo Plus is rated higher. ShapeInfo Plus averages 4.6 out of 5 from 31 ratings, while RSR Alignment App averages 3.0 from 2 ratings.
Do ShapeInfo Plus or RSR Alignment App have ads?
Neither ShapeInfo Plus nor RSR Alignment App shows ads.
Which is updated more often, ShapeInfo Plus or RSR Alignment App?
ShapeInfo Plus ships an update every 6 months, and RSR Alignment App every 3 months. Most recently, ShapeInfo Plus was updated on September 23, 2026 and RSR Alignment App on June 11, 2026.

Other comparisons