Comparison

ShapeInfo Plus vs Bolt Length

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

Bolt Length

This application helps calculate the length of metric coarse screws based on Japanese Industrial Standards. It is designed for mechanical design purposes and should be used at the user's own risk.

Highlights
  • Metric coarse screw length calculation
  • Conforms to Japanese Industrial Standards (JIS)
  • Designed for mechanical design
  • User risk disclaimer
Features
Read full description

This app is an application for calculating the length of the screw. ※:This app does not guarantee the effectiveness of the combination. ※:Use this application at your own risk. Conforms to the Japanese Industrial Standards (JIS). Screws are all metric coarse screw. For mechanical design. Sorry, Only in Japan.Because using the JIS.

Screenshots

ShapeInfo Plus4 screens
Bolt Length4 screens

Verdict

The call

The clearest difference is price: Bolt Length at Free against ShapeInfo Plus's $0.99. ShapeInfo Plus's advantage is rating (4.6 vs 3.0) and in-app purchases (none vs 1). On device support and iOS requirement 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

Bolt Length is free to download; ShapeInfo Plus costs $0.99 up front. Bolt Length sells 1 one-off in-app purchase. ShapeInfo Plus asks for nothing beyond the download.

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 33% of Bolt Length's.

UpkeepUpdate frequency

ShapeInfo Plus ships an update every 6 months, Bolt Length every 20 months. The most recent releases landed on September 23, 2026 and August 2, 2026 respectively.

Scorecard8 real differences · 2 level
ShapeInfo Plus versus Bolt Length: the parameters behind the verdict, then further details
ParameterShapeInfo PlusBolt Length
Price$0.99Free — better
Rating4.6 (31 ratings) — better3.0 (2 ratings)
Positive reviews67.9% of reviews — better33.3% of reviews
Number of ratings31 — better2
Update frequencyEvery 6 months — betterEvery 20 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size11 MB6 MB
Age rating4+4+
DeveloperNoriyasu Kutsuzawamitsunori oishi

Customer experience

ShapeInfo Plus

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

Bolt Length

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive33.3%
Neutral66.7%
Negative0.0%

In-app purchases

None

ShapeInfo Plus

No in-app purchases

1 purchases

Bolt Length

One-time1
  • Hide Ads$1.99

Questions

Is ShapeInfo Plus free?
ShapeInfo Plus costs $0.99, with no in-app purchases.
Is Bolt Length free?
Bolt Length is free to download, with in-app purchases available.
Which has better reviews, ShapeInfo Plus or Bolt Length?
ShapeInfo Plus is rated higher. ShapeInfo Plus averages 4.6 out of 5 from 31 ratings, while Bolt Length averages 3.0 from 2 ratings.
Do ShapeInfo Plus or Bolt Length have ads?
Bolt Length shows ads; ShapeInfo Plus does not.
Which is updated more often, ShapeInfo Plus or Bolt Length?
ShapeInfo Plus ships an update every 6 months, and Bolt Length every 20 months. Most recently, ShapeInfo Plus was updated on September 23, 2026 and Bolt Length on August 2, 2026.

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