Comparison

Peg Pals vs Shape Theory

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

Head to head
About

Peg Pals

This game offers thousands of triangular peg solitaire puzzles with unique twists and unlimited hints. Learn to solve any puzzle, create your own, and enjoy a relaxing or challenging experience. The game state is always saved, allowing for seamless interruptions.

Highlights
  • Thousands of unique puzzles
  • Unlimited hints and undo
  • Custom puzzle creation
  • Solvable indicator
  • Optional timer
  • Auto-save game state
Features
Read full description

Peg Pals Pro brings a fresh twist to the classic triangular peg solitaire puzzle with thousands of unique challenges, unlimited hints, and step-by-step solutions. Whether you're learning the game or looking for a serious challenge, Peg Pals Pro helps you improve while having fun. Unlike traditional peg solitaire, puzzles aren't limited to removing a single peg. Peg Pals Pro creates carefully designed starting positions by removing multiple pegs while ensuring every puzzle has a solution. You can even create and solve your own custom puzzles. Need help? Peg Pals Pro can guide you through the complete solution one move at a time, making it easy to learn winning strategies instead of simply guessing. Features • Thousands of carefully designed puzzles • Every puzzle is guaranteed to be solvable • Generate your own custom puzzles • Learn with complete step-by-step solutions • Unlimited hints that always lead toward a solution • Optional solvability indicator that warns when you've taken a wrong turn • Unlimited Undo • Automatic game saving • Optional timer Whether you have a few spare minutes or want to tackle a challenging puzzle session, Peg Pals Pro lets you play at your own pace.

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/

Screenshots

Peg Pals4 screens
Shape Theory4 screens

Verdict

The call

The clearest difference is price: Shape Theory at Free against Peg Pals's $0.99. Shape Theory also leads on update cadence (every 3 weeks vs every 5 months) and review sentiment (100% vs 88%). Peg Pals's advantage is in-app purchases (none vs 3) and ads (none vs shown). On 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

Shape Theory is free to download; Peg Pals costs $0.99 up front. Shape Theory sells 3 in-app purchases, starting at $0.99 per month. Peg Pals asks for nothing beyond the download.

UpkeepUpdate frequency

Peg Pals ships an update every 5 months, Shape Theory every 3 weeks. Both last shipped on October 12, 2026.

Scorecard6 real differences · 4 level
Peg Pals versus Shape Theory: the parameters behind the verdict, then further details
ParameterPeg PalsShape Theory
Price$0.99Free — better
Rating4.6 (25 ratings) — better—
Positive reviews87.5% of reviews100.0% of reviews — better
Number of ratings25 — better—
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17 — better18.6
Further details — not scored
Size29 MB13 MB
Age rating4+4+
DeveloperDavid P. SumnerBulltech

Customer experience

Peg Pals

All ratings25 ratings
Positive92.0%
Neutral8.0%
Negative0.0%
Written reviews8 reviews
Positive87.5%
Neutral12.5%
Negative0.0%

Shape Theory

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

In-app purchases

None

Peg Pals

No 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

Questions

Is Peg Pals free?
Peg Pals costs $0.99, with no in-app purchases.
Is Shape Theory free?
Shape Theory is free to download, with in-app purchases available.
Do Peg Pals or Shape Theory have ads?
Shape Theory shows ads; Peg Pals does not.
Which is updated more often, Peg Pals or Shape Theory?
Peg Pals ships an update every 5 months, and Shape Theory every 3 weeks. Most recently, Peg Pals was updated on October 12, 2026 and Shape Theory on October 12, 2026.

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