Comparison

SnapCalc vs Trigonometry Help Lite

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

Head to head
About

SnapCalc

Instantly solve math problems by taking a photo. Get step-by-step explanations for algebra, calculus, and more. Practice with quizzes and access educational resources.

Highlights
  • Camera-based math problem solving
  • Step-by-step solution explanations
  • Recognizes handwritten problems
  • Quizzes for skill practice
  • Integrated educational resources
  • Problem history saving
Features
Read full description

SnapCalc does the math for you. Just snap a picture of a math problem, and voila — the answer is displayed on your screen. From algebra to calculus, the app has solutions to a wide range of topics - and it recognizes handwritten problems too! Learn more quickly and easily with step-by-step explanations so that next time you'll be able to solve the problem yourself - as easy as one-two-three! SnapCalc will be your mathematical lifesaver - finish your homework faster, prepare better for tests, and make getting those high grades less stressful. Not so strong in math or need some extra help with it sometimes? SnapCalc is just for you. SnapCalc is always here to help: Handwritten problem? No worries - SnapCalc recognizes both handwritten problems as well as printed ones. Just snap a problem or upload one from your photo gallery. Want to see the steps too? SnapCalc provides both straight answers and the corresponding step-by-step solutions. Need some training before a test? Check your math skills with SnapCalc's Quizzes and challenge yourself for even better results! Prefer to study math without a teacher? Learn about various math topics with educational YouTube videos and Wikipedia articles. Want to review an old problem? SnapCalc will save your results in "History" tab so you can go back to them anytime. Solve math problems instantly across a wide range of topics, ranging from Arithmetic to Calculus. Math is hard - but with SnapCalc, it's never been easier. Get SnapCalc Premium Upgrade to Premium version and get step-by-step solutions and remove ads. * Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term. * You can cancel the subscription anytime by canceling your subscription through your iTunes account settings. This must be done 24 hours before the end of subscription period to avoid being charged. The cancellation will take effect the day after the last day of the current subscription period, and you will be downgraded to the free service. For complete access to all SnapCalc features, you will need to allow access to the following: *Camera – so that the app could recognize a math problem after taking a pic and then solve it. Privacy Policy: https://support.bendingspoons.com/privacy.html?app=1267331464 Terms of service: https://support.bendingspoons.com/tos.html?app=1267331464 Contact us: snapcalc@bendingspoons.com

About

Trigonometry Help Lite

This app quickly calculates unknown angles and sides of right-angled triangles. It offers a workings view for detailed solutions, scale drawings, and a formula reference. Input angles in various formats and customize decimal precision.

Highlights
  • Solve right-angled triangles
  • View detailed math workings
  • 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 macOS on the Mac App Store.

Screenshots

SnapCalc4 screens
Trigonometry Help Lite4 screens

Verdict

The call

The clearest difference is review sentiment: Trigonometry Help Lite at 88% against SnapCalc's 25%. Trigonometry Help Lite also leads on ads (none vs shown) and rating (4.7 vs 4.2). SnapCalc's advantage is ratings volume (41K vs 768). On price, update cadence, in-app purchases and monetization model 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. SnapCalc sells 9 in-app purchases, starting at $1.99 per 7 days and Trigonometry Help Lite sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Trigonometry Help Lite holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: SnapCalc has 41K ratings behind it against 768, so its average is the more settled of the two. Written reviews point the same way: 25% of SnapCalc's written reviews are positive against 88% of Trigonometry Help Lite's.

UpkeepUpdate frequency

SnapCalc ships an update monthly, Trigonometry Help Lite every 6 weeks. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
SnapCalc versus Trigonometry Help Lite: the parameters behind the verdict, then further details
ParameterSnapCalcTrigonometry Help Lite
PriceFreeFree
Rating4.2 (41K ratings)4.7 (768 ratings) — better
Positive reviews25.3% of reviews87.5% of reviews — better
Number of ratings41K — better768
Update frequencyMonthly — betterEvery 6 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size129 MB17 MB
Age rating4+4+
DeveloperMosaic S.r.l.Armchair Engineering

Customer experience

SnapCalc

All ratings41,473 ratings
Positive80.0%
Neutral3.2%
Negative16.8%
Written reviews1,107 reviews
Positive25.3%
Neutral5.5%
Negative69.2%

Trigonometry Help Lite

All ratings768 ratings
Positive92.6%
Neutral3.0%
Negative4.4%
Written reviews16 reviews
Positive87.5%
Neutral6.3%
Negative6.3%

User reviews

SnapCalc

From 41K App Store ratings

What we love

  • 🚀 Helpful for solving math problems
  • 👍 Provides step-by-step solutions
  • 💡 Useful for students struggling with math

Room to improve

  • 💰 Expensive subscription model
  • 🔒 Difficult to cancel subscription
  • 🐛 Inaccurate problem recognition
  • 🔍 Limited free usage

Trigonometry Help Lite

From 768 App Store ratings

What we love

  • 👍 Simple and intuitive user interface
  • 🚀 Quick and fast calculations
  • 💼 Practical for professional use (construction, surveying)
  • ✅ Reliable and doesn't crash
  • 📚 Helpful for learning trigonometry

Room to improve

  • 💰 Unclear upgrade value proposition
  • 📊 Limited decimal place precision in free version
  • 🔍 Insufficient feature differentiation between tiers
  • ⚠️ Calculation accuracy issues reported

Bugs and requests

SnapCalc

Reported bugs

2 issues
  • App crashes when trying to solve problems
  • Subscription charges continue even after cancellation

Requested features

3 requests
  • Expand free version capabilities
  • Improve problem recognition accuracy
  • Add option to purchase one-time access

Trigonometry Help Lite

Reported bugs

1 issue
  • Incorrect calculation results in some cases

Requested features

4 requests
  • Better visual representation of triangles
  • Clearer explanation of premium features
  • Higher default decimal place precision
  • More detailed feature descriptions for paid tiers

In-app purchases

9 purchases

SnapCalc

Subscriptions9
  • Step-by-step Solutions 1 Week$1.997 Days
  • Step-By-Step Solutions 1 Month3 Days trial$3.991 Month
  • Step-by-step Solutions 1 Month3 Days trial$4.991 Month
Show 6 more
  • Step-by-step Solutions 1 Week3 Days trial$4.997 Days
  • Step-by-step Solutions 1 Month2 variants$4.997 Days
  • Step-by-step Solutions 1 Week3 Days trial$5.997 Days
  • Step-by-step Solutions 1 Month$6.991 Month
  • Step-by-step Solutions 3 M3 Days trial$29.993 Months
  • Step-by-step Solutions 1 Year3 Days trial$39.991 Year
3 purchases

Trigonometry Help Lite

One-time3
  • Trig Help Premium$2.99
  • Trig Help Premium$3.99
  • Trig Help Premium$5.99

Questions

Is SnapCalc free?
SnapCalc is free to download, with in-app purchases available.
Is Trigonometry Help Lite free?
Trigonometry Help Lite is free to download, with in-app purchases available.
Which has better reviews, SnapCalc or Trigonometry Help Lite?
Trigonometry Help Lite is rated higher. SnapCalc averages 4.2 out of 5 from 41K ratings, while Trigonometry Help Lite averages 4.7 from 768 ratings.
Do SnapCalc or Trigonometry Help Lite have ads?
SnapCalc shows ads; Trigonometry Help Lite does not.
Which is updated more often, SnapCalc or Trigonometry Help Lite?
SnapCalc ships an update monthly, and Trigonometry Help Lite every 6 weeks. Most recently, SnapCalc was updated on October 21, 2026 and Trigonometry Help Lite on October 17, 2026.

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