Comparison

Problems vs Trig Solver

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

Head to head
About

Problems

Features
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Four fresh puzzles. One daily habit. Turn a spare moment into a satisfying challenge with Problems.cc. Play daily math games, explore past puzzles and build your problem-solving skills one small discovery at a time. FIND YOUR FAVORITE GAME • Crossnumber: a crossword with numbers. Follow interlocking Across and Down clues to deduce the digits. • Magic Square: every line, one magic sum. Make the rows, columns and diagonals add up to the same total. • Summit: small numbers, big possibilities. Choose the operations that reach the target. • Cryptarithm: letters hide, numbers reveal. Give each letter a unique digit to make the equation work. MAKE MATH CLICK Sign in for personalized Practice: a daily set of problems matched to your math rating. Work through multiple-choice and numeric questions. Ask George for hints and follow-up explanations in an optional problem chat, and type or dictate your answer. You review dictated text before submitting it. Chat and some answer checking use OpenAI, with your permission. SEE HOW FAR YOU'VE COME Your Profile brings your math rating, streaks and activity together. Daily games build your playing habit; rated Practice answers shape your math rating. MADE FOR YOUR DAILY BRAIN BREAK • Four fresh math games every day. • An Archive of past puzzles to explore. • Puzzle progress saved as you play, so you can pick up where you left off. • Optional sign-in to sync progress across devices. • Light and dark appearances, rotation and adaptive layouts on iPhone and iPad. • No ads. No account needed for daily games. From Exact Science, the team behind problems.cc. Open today's puzzles and find your next bright idea.

About

Trig Solver

Features
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Trigonify brings the core tools for learning trigonometry into one focused, visual workspace. Solve a triangle, explore the unit circle, graph a function, review formulas, and practice the ideas behind each answer—without creating an account or seeing ads. SOLVE WITH STEPS • Solve right triangles with SOHCAHTOA and the Pythagorean theorem • Find missing sides and angles with clear worked steps • Use inverse sine, cosine, and tangent with domain guidance • Switch between degrees, radians, gradians, and DMS • Save solutions and return to them later SEE HOW TRIG FITS TOGETHER • Drag around an interactive unit circle • View exact values, quadrants, and reference angles • Graph sine, cosine, and tangent with live controls for amplitude, period, phase, and vertical shift • Link a moving unit-circle point to its waveform in the phase-shift playground STUDY AND PRACTICE • Search a structured trigonometry formula reference • Favorite the identities you use most • Practice by topic, review mistakes, and track streaks and accuracy • Use Exam Mode to hide solvers and answers while keeping reference tools available BUILT FOR REAL STUDY • No account required • No advertising • Light, dark, high-contrast, and reduced-motion options • iPhone and iPad support • Local app settings, favorites, history, and practice progress Trigonify is an educational calculator and study aid. Check results before using them for exams, grading, engineering, construction, financial, or safety-critical work. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Problems4 screens
Trig Solver4 screens

Verdict

The call

The clearest difference is in-app purchases: Problems at none against Trig Solver's 3. On price, 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

Both are free to download. Trig Solver sells 3 in-app purchases, starting at $4.99 per 7 days. Problems asks for nothing beyond the download.

Scorecard1 real difference · 5 level
Problems versus Trig Solver: the parameters behind the verdict, then further details
ParameterProblemsTrig Solver
PriceFreeFree
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.4 — better
Further details — not scored
Size10 MB54 MB
Age rating4+12+
DeveloperExact ScienceMobin Akhter

In-app purchases

None

Problems

No in-app purchases

3 purchases

Trig Solver

Subscriptions2
  • Trigonify Pro Weekly$4.997 Days
  • Trigonify Pro Yearly$34.991 Year
One-time1
  • Trigonify Pro Lifetime$69.99

Questions

Is Problems free?
Problems is free to download, with no in-app purchases.
Is Trig Solver free?
Trig Solver is free to download, with in-app purchases available.
Do Problems or Trig Solver have ads?
Neither Problems nor Trig Solver shows ads.

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