Comparison

Lock Shape vs Math Devil

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

Head to head
About

Lock Shape

Test your reflexes and focus in this challenging shape-matching game. Spin the octagon to align with incoming shapes and aim for the highest score. It's easy to learn but incredibly difficult to master, offering an addictive experience.

Highlights
  • Shape matching gameplay
  • Precision tapping controls
  • High score challenges
  • Addictive gameplay loop
  • Free to play
Features
Read full description

Test your reflexes and focus in Lock Shape — the ultimate fast-paced shape and color matching challenge! Can you keep up as the speed ramps up? Tap with precision, spin the wheel, and match incoming shapes and colors before they collide. Easy to pick up, impossible to put down! TWO ADDICTIVE GAME MODES: • Shapes Mode: Tap left or right to rotate the octagon and lock in the falling geometric shapes. • Colors Mode: Tap to spin the color wheel and match the falling balls with the right color. KEY FEATURES: • Fast-Paced Reflex Gameplay: Sharpen your reaction time and hand-eye coordination with dynamic, scaling difficulty. • Simple, Intuitive Controls: Seamless one-touch / two-thumb controls designed specifically for one-handed or quick play sessions. • Global Game Center Leaderboards: Compete with friends and players worldwide for the #1 high score. • Share Your Triumphs: Generate custom scorecard snapshots directly to social media and challenge your friends. • Sleek Geometric Aesthetics: Minimalist modern design, smooth animations, and satisfying sound effects. • 100% Free to Play: Jump in anytime, anywhere — perfect for quick breaks or long streaks! How fast are your reflexes? Download Lock Shape today and see how long you can survive! Privacy Policy: https://foodbooks.in/lock-shape/privacy-policy.html

About

Math Devil

A challenging 2D platformer that combines difficult levels with math-based puzzles. Navigate traps and solve problems involving various mathematical concepts to progress. It offers a unique test of both reflexes and intellect.

Highlights
  • Challenging 2D platformer gameplay
  • Math puzzle integration
  • Multiple difficulty levels
  • Variety of math concepts covered
  • Trap-filled environments
Features
Read full description

Dare you win this HARD MATH levels? -Impossible to pass all levels: 40 normal, 2 nightmare -Simple 2d platform but with math puzzles, not easy to win without thinking -Many traps here, be careful [Levels] Primary School: -Comparison Operators -Addition, Subtraction, Multiplication, Division -Order of Operations -Decimal -Fraction -Negative Number -Variable -Function If your hands and brain are ready, good luck to you!

Screenshots

Lock Shape4 screens
Math Devil4 screens

Verdict

The call

The clearest difference is monetization model: Lock Shape at free against Math Devil's ad-supported. Math Devil's advantage is iOS requirement (12.0 vs 15). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Lock Shape ships an update every 20 months, Math Devil daily. The most recent releases landed on September 25, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
Lock Shape versus Math Devil: the parameters behind the verdict, then further details
ParameterLock ShapeMath Devil
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 20 monthsDaily — better
AdsYesYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1512.0 — better
Further details — not scored
Size12 MB134 MB
Age rating4+4+
Developerkunal rameshbhai友洲 陈

Customer experience

Lock Shape

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Math Devil

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Lock Shape

No in-app purchases

None

Math Devil

No in-app purchases

Questions

Is Lock Shape free?
Lock Shape is free to download, with no in-app purchases.
Is Math Devil free?
Math Devil is free to download, with no in-app purchases.
Do Lock Shape or Math Devil have ads?
Both Lock Shape and Math Devil show ads.
Which is updated more often, Lock Shape or Math Devil?
Lock Shape ships an update every 20 months, and Math Devil daily. Most recently, Lock Shape was updated on September 25, 2026 and Math Devil on October 13, 2026.

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