Comparison

Trigonometric Calculation vs Drafting Utility

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

Head to head

Trigonometric Calculation

Trigonometric Calculator

for Design, Drafting, Creation

Free

📊 Productivity

No ratingsView app →

About

Trigonometric Calculation

Features

Read full description

This is a calculation application for finding angles and side lengths of triangles. 1 We would appreciate a review if there are any problems such as calculation glitches. 2 I hope you will use this application for simple calculations. Please understand that we cannot be held responsible for any impact or disadvantage related to the quality of production activities caused by the calculations in this application.

About

Drafting Utility

Features

Read full description

TriangleCalc is a simple calculator that calculates the lengths and angles of the sides of a triangle. By entering two values, the other values are automatically calculated.

Screenshots

Trigonometric Calculation4 screens

Drafting Utility3 screens

Verdict

The call

The clearest difference is update cadence: Drafting Utility at daily against Trigonometric Calculation's every 6 weeks. On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Trigonometric Calculation ships an update every 6 weeks, Drafting Utility daily. The most recent releases landed on May 16, 2026 and September 22, 2026 respectively.

Scorecard1 real difference · 5 level

Trigonometric Calculation versus Drafting Utility: the parameters behind the verdict, then further details
Parameter	Trigonometric Calculation	Drafting Utility
Price	Free	Free
Update frequency	Every 6 weeks	Daily — better
Ads	Yes	Yes
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	15.5 — better	16.6
Further details — not scored
Size	5 MB	3 MB
Age rating	4+	4+
Developer	Risako Asai	Masaharu Tsukamoto

In-app purchases

None

Trigonometric Calculation

No in-app purchases

None

Drafting Utility

No in-app purchases

Questions

Is Trigonometric Calculation free?

Trigonometric Calculation is free to download, with no in-app purchases.

Is Drafting Utility free?

Drafting Utility is free to download, with no in-app purchases.

Do Trigonometric Calculation or Drafting Utility have ads?

Both Trigonometric Calculation and Drafting Utility show ads.

Which is updated more often, Trigonometric Calculation or Drafting Utility?

Trigonometric Calculation ships an update every 6 weeks, and Drafting Utility daily. Most recently, Trigonometric Calculation was updated on May 16, 2026 and Drafting Utility on September 22, 2026.