Comparison

Shape Theory vs String Theory Game

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

Head to head
About

Shape Theory

Uncover hidden geometric shapes by strategically revealing parts of a concealed form. Deduce the correct shape from a list of suspects to advance through increasingly challenging levels. Compete globally for the top leaderboard spot.

Highlights
  • Shape discovery through limited reveals
  • Strategic deduction of hidden forms
  • Progressive difficulty levels
  • Minimalist, captivating graphics
  • Global leaderboard competition
  • Brain teaser and strategy gameplay
Features
Read full description

Master the art of perception in Shape Theory—a sleek, addictive puzzle game where strategy meets deduction. Uncover hidden geometrical forms buried beneath a mysterious surface and put your sharpest instincts to the test. Think you have what it takes? Dive into a labyrinth of shadow and shape. How to Play: 1. DISCOVERY: Tap the mysterious sand to reveal slices of the hidden shape. With only three glimpses allowed per round, every move is a calculated risk. Use them wisely! 2. DECISION: Analyze your findings. Once you’ve pieced together the clues, select the correct form from the five suspects below. Nail the deduction to advance. 3. ADVANCEMENT: As you progress, the mysteries grow more complex. Can you stay sharp as the challenge intensifies? Play it cool, minimize your clues, and maximize your score. Shape Theory features a minimalist aesthetic designed to keep you locked in the zone, focusing entirely on the puzzle at hand. Ready to prove your genius? Climb the global leaderboard, challenge your friends, and establish your dominance. It’s time to unleash your inner detective. Download Shape Theory and master the geometric unknown today. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

String Theory Game

A vibrant puzzle game where you recreate patterns by drawing loops between pegs. Strategically place and overlap loops to match the target design with minimal moves. Offers handcrafted puzzles, daily challenges, and endless free play.

Highlights
  • Pattern matching puzzles
  • Loop drawing mechanics
  • Color-based loop filling
  • 60+ handcrafted puzzles
  • Daily challenges
  • Free play modes
Features
Read full description

String Theory is a colorful puzzle game about matching a given pattern by building it out of different colored shapes. String theory has 60+ handcrafted puzzles, daily challenges, and free play modes, making for hours of fun. Draw lines between pegs to create loops. The loops fill in with a different color depending on how many pegs they touch. Any loop that touches either three pegs or six pegs turns green. Any loop that touches either four pegs or eight pegs turns purple. Any loop that touches either five pegs or seven pegs turns spotted purple. Replicating the given pattern with as few loops as possible requires strategic placement and overlapping of loops. With dozens of handcrafted patterns to match, and thousands additional free play patterns, String Theory is a mind-bending game filled to the brim with tricky puzzles to get the gears turning! No ads, no microtransactions.

Screenshots

Shape Theory4 screens
String Theory Game4 screens

Verdict

The call

The clearest difference is in-app purchases: String Theory Game at none against Shape Theory's 3. String Theory Game also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). On price 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

Both are free to download. Shape Theory sells 3 in-app purchases, starting at $0.99 per month. String Theory Game asks for nothing beyond the download.

UpkeepUpdate frequency

Shape Theory ships an update every 3 weeks, String Theory Game every 2 days. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 5 level
Shape Theory versus String Theory Game: the parameters behind the verdict, then further details
ParameterShape TheoryString Theory Game
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—2 — better
Update frequencyEvery 3 weeksEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.610.0 — better
Further details — not scored
Size13 MB43 MB
Age rating4+4+
DeveloperBulltechAndrew Viesta

Customer experience

Shape Theory

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

String Theory Game

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Shape Theory

Subscriptions2
  • No Ads For 1 Month$0.991 Month
  • No Ads For 1 Year$4.991 Year
One-time1
  • No Ads Forever$8.99
None

String Theory Game

No in-app purchases

Questions

Is Shape Theory free?
Shape Theory is free to download, with in-app purchases available.
Is String Theory Game free?
String Theory Game is free to download, with no in-app purchases.
Do Shape Theory or String Theory Game have ads?
Shape Theory shows ads; String Theory Game does not.
Which is updated more often, Shape Theory or String Theory Game?
Shape Theory ships an update every 3 weeks, and String Theory Game every 2 days. Most recently, Shape Theory was updated on October 12, 2026 and String Theory Game on October 9, 2026.

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