ShapeInfo Plus vs RSR Alignment App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Calculate lengths, angles, and area
- Calculate volume for 3D shapes
- Supports various 2D and 3D shapes
- User-friendly input for calculations
- Immediate calculation results
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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.
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.
- Measure camber angle
- Measure toe angle
- Display four-corner angles
- Zero point adjustment
- Store measurement data
- Change measurement interval
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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
Verdict
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
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.
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.
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.
| Parameter | ShapeInfo Plus | RSR Alignment App |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.6 (31 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 67.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 31 — better | 2 |
| Update frequency | Every 6 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Noriyasu Kutsuzawa | TMC CO.,LTD |
Customer experience
ShapeInfo Plus
RSR Alignment App
In-app purchases
ShapeInfo Plus
No in-app purchases
RSR Alignment App
No in-app purchases
Questions
Is ShapeInfo Plus free?
Is RSR Alignment App free?
Which has better reviews, ShapeInfo Plus or RSR Alignment App?
Do ShapeInfo Plus or RSR Alignment App have ads?
Which is updated more often, ShapeInfo Plus or RSR Alignment App?
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