Drafting Utility vs TriCalc
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Drafting Utility
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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.
TriCalc
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Enter any combination of sides and angles, and Triangle Calculator instantly solves the missing values, draws the triangle, and shows you the full results. FEATURES Β· Auto-solve from any valid input β sides (a, b, c) and angles (A, B, C) Β· Calculates area, perimeter, and triangle classification (acute / right / obtuse, equilateral / isosceles / scalene) Β· Supports multiple solving methods: Law of Cosines (SSS, SAS), Law of Sines (SSA, AAS/ASA) Β· Detects and handles the ambiguous SSA case Β· Real-time triangle visualization PREMIUM (one-time purchase) Β· Unlimited save & history β revisit any triangle anytime Β· Ad-free experience Β· Step-by-step solution with formulas Whether you're studying trigonometry, working on a construction project, doing land surveying, or building a game, Triangle Calculator gives you fast and accurate results.
Screenshots
Verdict
The clearest difference is in-app purchases: Drafting Utility at none against TriCalc's 1. Drafting Utility also leads on update cadence (daily vs fortnightly). TriCalc's advantage is iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. TriCalc sells 1 one-off in-app purchase. Drafting Utility asks for nothing beyond the download.
Drafting Utility ships an update daily, TriCalc fortnightly. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.
| Parameter | Drafting Utility | TriCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily β better | Fortnightly |
| Ads | Yes | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 16.6 | 13.0 β better |
| Further details β not scored | ||
| Size | 3 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Masaharu Tsukamoto | Keita Ogasawara |
In-app purchases
Drafting Utility
No in-app purchases
TriCalc
- Premium$4.99
Questions
Is Drafting Utility free?
Is TriCalc free?
Do Drafting Utility or TriCalc have ads?
Which is updated more often, Drafting Utility or TriCalc?
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