Comparison

Shape Theory vs Cipher Challenge

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

Cipher Challenge

Engage your mind with a variety of cipher decoding challenges. Practice different cipher types, track your progress, and compete with friends. Unlock quotes and sync your achievements across devices.

Highlights
  • Multiple cipher modes
  • Letter frequency analysis
  • Multiplayer competition
  • Unlocked quote gallery
  • Score history tracking
  • iCloud sync across devices
  • Hard mode challenge
Features
Read full description

A cipher decoding game. Cipher modes: Aristocrat, Patristocrat, Caesar, Random substitution cipher, K1 cipher, K2 cipher Additional features: - See letter frequency table and cipher letter -> original letter mapping table - Share link or game id to friends and compete on the same puzzle - View all the unlocked quotes - See score history - Unlocked quotes and scores are sync'ed across iPhone, iPad and Mac computers through iCloud - Enable hard mode for a special challenge Also perfect for Science Olympiad (SciOly) Codebusters practice.

Screenshots

Shape Theory4 screens
Cipher Challenge4 screens

Verdict

The call

The clearest difference is in-app purchases: Cipher Challenge at none against Shape Theory's 3. Cipher Challenge also leads on ads (none vs shown). Shape Theory's advantage is review sentiment (100% vs 67%) and update cadence (every 3 weeks vs every 5 weeks). On price, 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. Shape Theory sells 3 in-app purchases, starting at $0.99 per month. Cipher Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

Shape Theory ships an update every 3 weeks, Cipher Challenge every 5 weeks. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

Scorecard5 real differences · 5 level
Shape Theory versus Cipher Challenge: the parameters behind the verdict, then further details
ParameterShape TheoryCipher Challenge
PriceFreeFree
Rating—5.0 (4 ratings) — better
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings—4 — better
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, MaciPhone, iPad, Mac
Requires iOS18.617.0 — better
Further details — not scored
Size13 MB1 MB
Age rating4+4+
DeveloperBulltechBao Lei

Customer experience

Shape Theory

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

Cipher Challenge

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
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

Cipher Challenge

No in-app purchases

Questions

Is Shape Theory free?
Shape Theory is free to download, with in-app purchases available.
Is Cipher Challenge free?
Cipher Challenge is free to download, with no in-app purchases.
Do Shape Theory or Cipher Challenge have ads?
Shape Theory shows ads; Cipher Challenge does not.
Which is updated more often, Shape Theory or Cipher Challenge?
Shape Theory ships an update every 3 weeks, and Cipher Challenge every 5 weeks. Most recently, Shape Theory was updated on September 27, 2026 and Cipher Challenge on September 29, 2026.

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