Comparison

Trigonometry Help vs Sup

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

Head to head
About

Trigonometry Help

This app helps you quickly solve for unknown angles and sides of right-angled triangles. It provides a workings view for understanding the math, a scale drawing of the triangle, and a reference for basic trigonometric formulas. You can input angles in various formats and choose your desired decimal precision.

Highlights
  • Solve right-angled triangles
  • Workings view for solutions
  • Scale drawing of solved triangle
  • Basic trig formulae reference
  • Multiple angle input formats
  • Customizable decimal places
Features
Read full description

Trig Help is a simple triangle calculator that enables you to quickly and easily find unknown angles & sides of any right-angled triangle. Features Include: - Accurately solve right-angled triangles - Workings view, so you can see the math behind the solutions (requires optional upgrade) - View a scale drawing of your solved triangle - View a handy set of basic trig formulae - Enter angles in radians, decimal degrees or degrees, minutes, seconds - Select your preferred number of decimal places What two App Store reviewers had to say about Trig Help: "I could never remember those simple formulas. I always had to dig out my text books from MANY YEARS ago to refresh my memory. THIS LITTLE APP IS A DELIGHT TO USE! I love it! Even my engineer friends are impressed. THANKS!" 5 Stars "Easy to use and accurate with high degree of precision. Would recommend to any toolmaker." 5 Stars Also available for OS X on the Mac App Store.

About

Sup

Manage your connected hardware device directly from your phone. View photos and videos stored on the device and easily copy files between your phone and the hardware.

Highlights
  • Hardware device management
  • Connect via USB
  • View photos and videos
  • Copy files to device
  • Copy files from device
Features
Read full description

Sup-Anesok The application is the management software of the hardware device Connect to the device via usb Can view photos and videos of the device Can copy files from phone to device

Screenshots

Trigonometry Help4 screens
Sup2 screens

Verdict

The call

The clearest difference is review sentiment: Trigonometry Help at 91% against Sup's 30%. Trigonometry Help also leads on rating (4.7 vs 2.4). Sup's advantage is price (Free vs $1.99) and in-app purchases (none vs 3). On ratings volume, ads, 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

Sup is free to download; Trigonometry Help costs $1.99 up front. Trigonometry Help sells 3 one-off in-app purchases. Sup asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Trigonometry Help holds the better App Store score, 4.7 against 2.4. Both are backed by a comparable volume of ratings — 481 and 179 respectively. Written reviews point the same way: 91% of Trigonometry Help's written reviews are positive against 30% of Sup's.

UpkeepUpdate frequency

Trigonometry Help ships an update every 13 months, Sup monthly. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 4 level
Trigonometry Help versus Sup: the parameters behind the verdict, then further details
ParameterTrigonometry HelpSup
Price$1.99Free — better
Rating4.7 (481 ratings) — better2.4 (179 ratings)
Positive reviews91.0% of reviews — better29.9% of reviews
Number of ratings481 — better179
Update frequencyEvery 13 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better11.0
Further details — not scored
Size21 MB44 MB
Age rating+44+
DeveloperArmchair Engineering亮 连

Customer experience

Trigonometry Help

All ratings477 ratings
Positive94.1%
Neutral2.3%
Negative3.6%
Written reviews144 reviews
Positive91.0%
Neutral2.1%
Negative6.9%

Sup

All ratings169 ratings
Positive34.3%
Neutral4.1%
Negative61.5%
Written reviews167 reviews
Positive29.9%
Neutral6.0%
Negative64.1%

User reviews

Trigonometry Help

From 481 App Store ratings

What we love

  • 🚀 Quick and easy to use
  • 👍 User-friendly interface
  • 🔧 Helpful for tradesmen and professionals
  • ⚙️ Accurate calculations
  • 🔍 Convenient for on-site use

Room to improve

  • 🔢 Limited to right-angled triangles only
  • 🔍 Lacks advanced trig functions
  • 🔀 No option to rotate/flip the triangle view

Sup

From 179 App Store ratings

What we love

  • 🚀 Plug and play
  • 👍 Easy to use
  • 🔍 Works as expected
  • 💡 Useful for specific tasks

Room to improve

  • 🐛 Connectivity issues
  • 🔌 Compatibility problems with newer devices
  • 🔍 Poor image/video quality
  • 🔋 Lighting issues
  • 🔒 Privacy concerns

Bugs and requests

Trigonometry Help

Reported bugs

2 issues
  • Inconsistent performance on older devices
  • Occasional crashes or freezes

Requested features

3 requests
  • Support for irregular triangles
  • Ability to show step-by-step workings
  • Option to switch between degrees/minutes/seconds and decimal values

Sup

Reported bugs

3 issues
  • App crashes
  • Camera not recognized
  • Sudden loss of functionality

Requested features

4 requests
  • Ability to rotate image/video
  • Option to switch between dual cameras
  • Improved brightness control
  • Better app instructions

In-app purchases

3 purchases

Trigonometry Help

One-time3
  • Trig Help Premium$0.99
  • Trig Help Premium$1.99
  • Trig Help Premium$3.99
None

Sup

No in-app purchases

Questions

Is Trigonometry Help free?
Trigonometry Help costs $1.99, and also offers in-app purchases.
Is Sup free?
Sup is free to download, with no in-app purchases.
Which has better reviews, Trigonometry Help or Sup?
Trigonometry Help is rated higher. Trigonometry Help averages 4.7 out of 5 from 481 ratings, while Sup averages 2.4 from 179 ratings.
Do Trigonometry Help or Sup have ads?
Neither Trigonometry Help nor Sup shows ads.
Which is updated more often, Trigonometry Help or Sup?
Trigonometry Help ships an update every 13 months, and Sup monthly. Most recently, Trigonometry Help was updated on November 6, 2026 and Sup on November 7, 2026.

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