PJFFfree vs Figure calculator ShapeInfo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PJFFfree
This app serves as a manual for piping parts, focusing on Japanese specifications. It lists commonly used items based on manufacturer data and public dimension tables, with all measurements in millimeters.
- Piping parts manual
- Japanese specifications
- Commonly used parts listing
- Manufacturer data integration
- Millimeter measurements
- JIS standards compliance
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It is a manual of piping parts. Only Japanese specification. We are listed at the discretion of the things that seems to be in common use based on manufacturer's data and the dimension tables of dealers that are open to the public. Length units are in millimeters unless otherwise specified in decimal notation JIS standards compliance
Figure calculator ShapeInfo
Easily calculate lengths, angles, and areas of various geometric shapes. Input known values and instantly get precise results for a wide range of 2D and 3D figures. Ideal for students and engineers needing quick geometric computations.
- Calculate lengths, angles, and area
- Supports 2D shapes (triangle, circle, ellipse)
- Supports 3D shapes (pyramid, prism, cone, cylinder, sphere)
- User-friendly input system
- Instantaneous calculation results
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Feature The ShapeInfo is useful application for calculating shape lengths, angles and area. You can get some calculated values, lengths and angles of the shape, from choosing and entering values in the text boxes. 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.
Screenshots
Verdict
The clearest difference is review sentiment: PJFFfree at 100% against Figure calculator ShapeInfo's 67%. PJFFfree also leads on rating (5.0 vs 4.7) and update cadence (every 5 weeks vs every 5 months). Figure calculator ShapeInfo's advantage is ratings volume (147 vs 1). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PJFFfree holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Figure calculator ShapeInfo has 147 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of PJFFfree's written reviews are positive against 67% of Figure calculator ShapeInfo's.
PJFFfree ships an update every 5 weeks, Figure calculator ShapeInfo every 5 months. Both last shipped on November 1, 2026.
| Parameter | PJFFfree | Figure calculator ShapeInfo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.7 (147 ratings) |
| Positive reviews | 100.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 1 | 147 — better |
| Update frequency | Every 5 weeks — better | Every 5 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | sigeyosi kanenishi | Noriyasu Kutsuzawa |
Customer experience
PJFFfree
Figure calculator ShapeInfo
In-app purchases
PJFFfree
No in-app purchases
Figure calculator ShapeInfo
No in-app purchases
Questions
Is PJFFfree free?
Is Figure calculator ShapeInfo free?
Which has better reviews, PJFFfree or Figure calculator ShapeInfo?
Do PJFFfree or Figure calculator ShapeInfo have ads?
Which is updated more often, PJFFfree or Figure calculator ShapeInfo?
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