Comparison

Geometry vs Rival Edge

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

Head to head
About

Geometry

Features
Read full description

The GeometrySolver is not just an app, its a canvas and a book too. This app not only solves the geometric shapes, it also teaches you the formulas related to each geometric shape as well as it draws the geometric shapes when solved. This app is designed by an engineer to the perfection with every details in mind. It calculates side, height, diagonals, apothem, diameter, radius, perimeter, circumference, area, lateral area, surface area, volume. Some shapes have a dedicated interactive tab to play around and draw those shapes of different dimensions. Each geometric shape has its corresponding formulas written beautifully in mathematical way. This is a perfect app for your kids to learn geometry interactively. Draw, solve, share the geometric shapes. Drawn/solved shapes are displayed with their properties (numeric values). The Solve tab of angle is dynamic and interactive. You can touch/drag on the surface to draw an angle or use the slider to draw an angle. It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost. There are so many common geometric shapes to learn from like square, circle, cylinder, cone, cuboid, pyramid, sphere and more There is also a Study page to help you with learning formulae related to many common geometric shapes. This is an app for all student groups. From high school to college to university students. Be creative. Enjoy the app!

About

Rival Edge

Master strategic decision-making with real-life scenarios and Nobel Prize-winning game theory concepts. Learn practical rules for everyday dilemmas, track your progress, and gain an edge in negotiations and relationships.

Highlights
  • Interactive real-life scenarios
  • 12 essential game theory concepts
  • 20 practical daily rules
  • Progress tracking with XP and ranks
  • Payoff matrices for decision math
  • Offline functionality
  • Supports 6 languages
Features
Read full description

Learn game theory through real-life scenarios. Rival Edge teaches you the science of strategic decision-making. INTERACTIVE SCENARIOS Face real dilemmas: salary negotiations, splitting restaurant bills, trust in relationships, group projects, and more. Every choice has consequences calculated through actual game theory models. 12 ESSENTIAL THEORIES Nash Equilibrium — why people get stuck in suboptimal situations Tit-for-Tat — the winning strategy in repeated interactions Prisoner's Dilemma — when cooperation beats selfishness Tragedy of the Commons — why shared resources disappear Ultimatum Game — the psychology of fairness And 7 more Nobel Prize-winning concepts 20 DAILY RULES Practical principles for everyday life: "Always name your number first", "Mirror behavior, not words", "Forgive fast, but remember". Each rule is backed by research. FEATURES 10+ scenarios with multiple outcomes Payoff matrices showing the math behind decisions Progress tracking with XP and ranks Beautiful dark interface 6 languages: English, Russian, French, German, Spanish, Italian No ads, no tracking, fully offline Whether you're negotiating a raise, dealing with a difficult neighbor, or deciding whether to trust someone — game theory gives you the edge.

Screenshots

Geometry4 screens
Rival Edge4 screens

Verdict

The call

The clearest difference is update cadence: Geometry at monthly against Rival Edge's every 6 months. Geometry also leads on price ($1.99 vs $3.99) and iOS requirement (15.1 vs 26.0). On ads, in-app purchases and 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

Geometry costs $1.99 and Rival Edge $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Geometry ships an update monthly, Rival Edge every 6 months. The most recent releases landed on August 16, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 6 level
Geometry versus Rival Edge: the parameters behind the verdict, then further details
ParameterGeometryRival Edge
Price$1.99 — better$3.99
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthly — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better26.0
Further details — not scored
Size31 MB7 MB
Age rating4+4+
DeveloperOm Prakash ChapagainVladimir Rodzaevskiy

In-app purchases

None

Geometry

No in-app purchases

None

Rival Edge

No in-app purchases

Questions

Is Geometry free?
Geometry costs $1.99, with no in-app purchases.
Is Rival Edge free?
Rival Edge costs $3.99, with no in-app purchases.
Do Geometry or Rival Edge have ads?
Neither Geometry nor Rival Edge shows ads.
Which is updated more often, Geometry or Rival Edge?
Geometry ships an update monthly, and Rival Edge every 6 months. Most recently, Geometry was updated on August 16, 2026 and Rival Edge on September 21, 2026.

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