Comparison

Arc+ vs Trigonometry Calculator.

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

Head to head
About

Arc+

This utility app helps users calculate various dimensions of circular arcs, including radius, length, width, and height. It offers a simple interface where users input two known values to derive the rest. Additional features include a unit converter, result saving, and sharing capabilities.

Highlights
  • Calculate Radius, Length, Width, Height, Tangent
  • Input two known values to find others
  • Measurement units converter
  • Save results to favorites
  • Share calculations
Features
Read full description

Arc+ The Complete Circular Arc Calculator Calculates the Radius, Length, Width (chord), Height, Tangent How it works: Select two known values and type it in text boxes and click on ( = ) to get the required values. Features: Measurement units converter Save your results to a favorite list Share your results with others

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!

Screenshots

Arc+3 screens
Trigonometry Calculator.4 screens

Verdict

The call

The clearest difference is review sentiment: Trigonometry Calculator. at 100% against Arc+'s 50%. Trigonometry Calculator. also leads on update cadence (every 2 weeks vs every 4 months) and rating (5.0 vs 4.6). Arc+'s advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). 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. Arc+ sells 1 one-off in-app purchase and Trigonometry Calculator. sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Trigonometry Calculator. holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Arc+ has 113 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Arc+'s written reviews are positive against 100% of Trigonometry Calculator.'s.

UpkeepUpdate frequency

Arc+ ships an update every 4 months, Trigonometry Calculator. every 2 weeks. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

Scorecard6 real differences · 4 level
Arc+ versus Trigonometry Calculator.: the parameters behind the verdict, then further details
ParameterArc+Trigonometry Calculator.
PriceFreeFree
Rating4.6 (113 ratings)5.0 (3 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings113 — better3
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size4 MB64 MB
Age rating4+4+
DeveloperMohamed SaadHoritech

Customer experience

Arc+

All ratings109 ratings
Positive89.0%
Neutral7.3%
Negative3.7%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

Trigonometry Calculator.

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Arc+

One-time1
  • Ad Blocker$4.99
2 purchases

Trigonometry Calculator.

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

Questions

Is Arc+ free?
Arc+ is free to download, with in-app purchases available.
Is Trigonometry Calculator. free?
Trigonometry Calculator. is free to download, with in-app purchases available.
Which has better reviews, Arc+ or Trigonometry Calculator.?
Trigonometry Calculator. is rated higher. Arc+ averages 4.6 out of 5 from 113 ratings, while Trigonometry Calculator. averages 5.0 from 3 ratings.
Do Arc+ or Trigonometry Calculator. have ads?
Trigonometry Calculator. shows ads; Arc+ does not.
Which is updated more often, Arc+ or Trigonometry Calculator.?
Arc+ ships an update every 4 months, and Trigonometry Calculator. every 2 weeks. Most recently, Arc+ was updated on September 22, 2026 and Trigonometry Calculator. on September 9, 2026.

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