Comparison

Trigonometry Calculator. vs 鉄筋電卓 − 重量・定尺・配筋・生コン

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

Head to head
About

Trigonometry Calculator.

This app calculates key values for right-angled and scalene triangles with high precision. It offers a user-friendly interface, flexible angle units, and includes a reference guide to trigonometric formulas. A subscription unlocks calculation steps and removes ads.

Highlights
  • Right-angled & scalene triangle support
  • Formula reference guide
  • Accurate side, angle, and area calculations
  • High precision to 14 decimal places
  • Flexible angle units (degrees/radians)
  • User-friendly interface
Read full description

Triangle Trigonometry Calculator Effortlessly calculate key values for both right-angled and scalene triangles with this intuitive, high-precision trigonometry calculator. Key Features: • Right-Angled & Scalene Support: Easily solve both right-angled and scalene triangles based on the values you know. • Formula Reference: Learn and solve with confidence by accessing a clear, organized guide to all triangle formulas used in the app. • Accurate Calculations: Quickly determine sides, angles, and area with reliable trigonometric formulas. • High Precision: Results are calculated to 14 decimal places for maximum accuracy. • Flexible Angle Units: Choose between degrees or radians for all angle inputs and outputs. • User-Friendly Interface: A clean, minimal design for fast, straightforward calculations. • Fast and Efficient: Ideal for students, engineers, and professionals needing quick, accurate results anytime. Subscribe to unlock calculation steps, formulas, and remove ads!

About

鉄筋電卓 − 重量・定尺・配筋・生コン

Features
Read full description

[Built for rebar, formwork and site crews] Run the numbers on site. Enter the bar size and length for total weight, the span and pitch for bar count, and get stock-cut loss, concrete volume and mixer-truck count from your phone. [What it calculates] - Rebar weight: total weight from size (D10-D51), length and count (JIS nominal unit mass) - Stock-cut & loss: required stock bars, offcut and loss rate - Spacing to count: bar count and actual pitch from span, pitch and end clearance - Concrete volume: volume and mixer-truck count from member size x qty and loss - Lap / development length: required length from size and multiplier (editable quick table) - Unit convert: tsubo, square meters, jo, shaku, kg, t [Takeoff (Pro)] Group line items by bar size, sum the total weight, and share as a PDF. [Privacy & offline] All data stays on your device. No servers, no logins, no ads, no required network. [Pricing] The basic calculators are free. The Pro upgrade (one-time, no subscription) unlocks the takeoff sheet, takeoff PDF export, unlimited saved history and the company-logo feature. Note: results are an aid. Always confirm final ordering and construction against the drawings, standards and specifications.

Screenshots

Trigonometry Calculator.4 screens
鉄筋電卓 − 重量・定尺・配筋・生コン4 screens

Verdict

The call

The clearest difference is ads: 鉄筋電卓 − 重量・定尺・配筋・生コン at none against Trigonometry Calculator.'s shown. 鉄筋電卓 − 重量・定尺・配筋・生コン also leads on update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, 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

Both are free to download. Trigonometry Calculator. sells 2 in-app purchases, starting at $2.99 per month and 鉄筋電卓 − 重量・定尺・配筋・生コン sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Trigonometry Calculator. ships an update every 2 weeks, 鉄筋電卓 − 重量・定尺・配筋・生コン every 2 days. The most recent releases landed on September 9, 2026 and September 4, 2026 respectively.

Scorecard2 real differences · 8 level
Trigonometry Calculator. versus 鉄筋電卓 − 重量・定尺・配筋・生コン: the parameters behind the verdict, then further details
ParameterTrigonometry Calculator.鉄筋電卓 − 重量・定尺・配筋・生コン
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 2 weeksEvery 2 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size64 MB63 MB
Age rating4+4+
DeveloperHoritechMoeki Kozawa

In-app purchases

2 purchases

Trigonometry Calculator.

Subscriptions2
  • Monthly3 Days trial$2.991 Month
  • Annual3 Days trial$24.991 Year
1 purchases

鉄筋電卓 − 重量・定尺・配筋・生コン

One-time1
  • Rebar Calc Pro$4.99

Questions

Is Trigonometry Calculator. free?
Trigonometry Calculator. is free to download, with in-app purchases available.
Is 鉄筋電卓 − 重量・定尺・配筋・生コン free?
鉄筋電卓 − 重量・定尺・配筋・生コン is free to download, with in-app purchases available.
Do Trigonometry Calculator. or 鉄筋電卓 − 重量・定尺・配筋・生コン have ads?
Trigonometry Calculator. shows ads; 鉄筋電卓 − 重量・定尺・配筋・生コン does not.
Which is updated more often, Trigonometry Calculator. or 鉄筋電卓 − 重量・定尺・配筋・生コン?
Trigonometry Calculator. ships an update every 2 weeks, and 鉄筋電卓 − 重量・定尺・配筋・生コン every 2 days. Most recently, Trigonometry Calculator. was updated on September 9, 2026 and 鉄筋電卓 − 重量・定尺・配筋・生コン on September 4, 2026.

Other comparisons