Comparison

PJFFfree vs Figure calculator ShapeInfo

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

Head to head
About

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.

Highlights
  • Piping parts manual
  • Japanese specifications
  • Commonly used parts listing
  • Manufacturer data integration
  • Millimeter measurements
  • JIS standards compliance
Features
Read full description

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

About

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.

Highlights
  • 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
Features
Read full description

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

PJFFfree4 screens
Figure calculator ShapeInfo4 screens

Verdict

The call

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

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

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.

UpkeepUpdate frequency

PJFFfree ships an update every 5 weeks, Figure calculator ShapeInfo every 5 months. Both last shipped on November 1, 2026.

Scorecard4 real differences · 6 level
PJFFfree versus Figure calculator ShapeInfo: the parameters behind the verdict, then further details
ParameterPJFFfreeFigure calculator ShapeInfo
PriceFreeFree
Rating5.0 (1 ratings) — better4.7 (147 ratings)
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings1147 — better
Update frequencyEvery 5 weeks — betterEvery 5 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size7 MB32 MB
Age rating4+4+
Developersigeyosi kanenishiNoriyasu Kutsuzawa

Customer experience

PJFFfree

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Figure calculator ShapeInfo

All ratings143 ratings
Positive93.0%
Neutral2.1%
Negative4.9%
Written reviews105 reviews
Positive66.7%
Neutral8.6%
Negative24.8%

In-app purchases

None

PJFFfree

No in-app purchases

None

Figure calculator ShapeInfo

No in-app purchases

Questions

Is PJFFfree free?
PJFFfree is free to download, with no in-app purchases.
Is Figure calculator ShapeInfo free?
Figure calculator ShapeInfo is free to download, with no in-app purchases.
Which has better reviews, PJFFfree or Figure calculator ShapeInfo?
PJFFfree is rated higher. PJFFfree averages 5.0 out of 5 from 1 ratings, while Figure calculator ShapeInfo averages 4.7 from 147 ratings.
Do PJFFfree or Figure calculator ShapeInfo have ads?
Both PJFFfree and Figure calculator ShapeInfo show ads.
Which is updated more often, PJFFfree or Figure calculator ShapeInfo?
PJFFfree ships an update every 5 weeks, and Figure calculator ShapeInfo every 5 months. Most recently, PJFFfree was updated on November 1, 2026 and Figure calculator ShapeInfo on November 1, 2026.

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