Comparison

Triangle Calc A vs TriCalc

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

Head to head
About

Triangle Calc A

Features
Read full description

The fastest way to solve Right Triangles. Triangle Calc A is a minimalist and specialized tool for anyone who needs instant, accurate right triangle calculations. Designed for speed and precision, it eliminates complex menus so you can focus on your work. Key Features: ■ Specialized for Right Triangles: Just enter two known values to solve the rest:  ・Two sides (Pythagorean theorem)  ・One side and one angle (Trigonometry) ■ Instant Results: Get all sides, angles, Area, and Perimeter immediately. ■ Minimalist Interface: No distractions. Open the app, enter your numbers, and get the answer in seconds. ■ Professional Precision: High-accuracy calculations for engineering, construction, and education. Perfect for: ■ Construction & Carpentry: Calculating pitches, slopes, and framing layouts. ■ Engineering: Quick geometric verification on-site. ■ Education: A reliable companion for trigonometry homework.

About

TriCalc

Features
Read full description

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 · Auto-solve from any valid input — sides (a, b, c) and angles (A, B, C) · Calculates area, perimeter, and triangle classification (acute / right / obtuse, equilateral / isosceles / scalene) · Supports multiple solving methods: Law of Cosines (SSS, SAS), Law of Sines (SSA, AAS/ASA) · Detects and handles the ambiguous SSA case · Real-time triangle visualization PREMIUM (one-time purchase) · Unlimited save & history — revisit any triangle anytime · Ad-free experience · 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

Triangle Calc A3 screens
TriCalc3 screens

Verdict

The call

The clearest difference is price: TriCalc at Free against Triangle Calc A's $0.99. TriCalc also leads on update cadence (fortnightly vs every 56 months) and iOS requirement (13.0 vs 26.0). Triangle Calc A's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

TriCalc is free to download; Triangle Calc A costs $0.99 up front. TriCalc sells 1 one-off in-app purchase. Triangle Calc A asks for nothing beyond the download.

UpkeepUpdate frequency

Triangle Calc A ships an update every 56 months, TriCalc fortnightly. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

Scorecard5 real differences · 1 level
Triangle Calc A versus TriCalc: the parameters behind the verdict, then further details
ParameterTriangle Calc ATriCalc
Price$0.99Free — better
Update frequencyEvery 56 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.013.0 — better
Further details — not scored
Size0 MB23 MB
Age rating4+4+
Developerkohei yamaneKeita Ogasawara

In-app purchases

None

Triangle Calc A

No in-app purchases

1 purchases

TriCalc

One-time1
  • Premium$4.99

Questions

Is Triangle Calc A free?
Triangle Calc A costs $0.99, with no in-app purchases.
Is TriCalc free?
TriCalc is free to download, with in-app purchases available.
Do Triangle Calc A or TriCalc have ads?
TriCalc shows ads; Triangle Calc A does not.
Which is updated more often, Triangle Calc A or TriCalc?
Triangle Calc A ships an update every 56 months, and TriCalc fortnightly. Most recently, Triangle Calc A was updated on September 10, 2026 and TriCalc on September 11, 2026.

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