Comparison

Spill Zone 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

Spill Zone

This puzzle game challenges players to merge chemical spills until the entire board is a single color. Strategize to solve puzzles in the fewest moves possible, with daily challenges and multiplayer options.

Highlights
  • 200 unique puzzle levels
  • Daily challenge puzzles
  • Turn-based multiplayer
  • Create and share custom puzzles
  • No timer for strategic play
  • Earn stars for hints and unlocks
Features
Read full description

Dear Scientist– We desperately need your help in the lab. Spill one chemical into another until a solid color remains. Help us discover the best solution possible, but be extremely careful– Too many spills and you’ll have to play again! Spill Zone is a brand new unique and challenging puzzle game where the goal is to make the entire puzzle one single color. It’s kind of like the flood fill operation in your favorite paint program. Just keep spilling until everything is the same color. Although it’s a simple concept, it will require experimentation and strategy to solve each puzzle in the fewest moves possible. Play through all our challenging levels in the single player mode. Connect with Game Center or Facebook to see what level your friends are on. There is also turn-based multiplayer mode where you get to take turns playing a friend to see who is the true Spill Zone champion. There’s so much research waiting for you in Spill Zone, so get out there and “Experiment. Fail. Repeat.” FEATURES - Challenging and unique new puzzle game with 200 unique levels! - Daily challenge delivers a new puzzle everyday! - Addictive and competitive brain teaser play - Create and share your own puzzles for your friends to play - Share your score with friends on Game Center and Facebook - No timer so you can take your time to strategize the perfect solution - Multiplayer turn based games using Game Center - Pleasant and enchanting music and sounds - Bright and cheerful colors - Short tutorial to learn basic play - Interactive and mesmerizing bubbles and animations - Trade stars for hints during the game and to undo moves - Use stars to unlock the purple and pink chemicals in the lab - Unlock features of the game as you complete levels - Look for messages from the Mad Scientist as you’re spilling colors - Revisit levels to perfect your score, earn more stars, and collect awards RULES - Spill one chemical group into another adjacent group until the entire board is the same color - Solve puzzles in the fewest moves possible EARN STARS - 3 stars awarded for having a perfect solution to a puzzle - 2 stars awarded for completing a puzzle one move beyond perfect - 1 star awarded for completing a puzzle two moves beyond perfect - Earn even more stars by playing the daily challenge! SPEND STARS - 1 star to undo last move - 5 Stars for each Hint Report (3 hints will be displayed) - 25 Stars for solution to any puzzle - 25 Stars for the pink and purple chemicals in the lab REWARDS - Small Reaction – Convert 1,000 chemicals - Big Reaction – Convert 10,000 chemicals - Massive Reaction – Convert 50,000 chemicals - Stardust – Earn 50 Stars in Single Player - Star Studded – Earn 250 Stars in Single Player - Superstar – Earn 500 Stars in Single Player - Lab Rat – Make one custom level in the Lab - Mad Scientist – Make 10 custom levels in the Lab - Lab Intern – Reach Level 25 in Single Player - Lab Assistant – Reach Level 50 in Single Player - Lab Technician – Reach Level 100 in Single Player - Perfectium-25 – Get a perfect score on every level up to Level 25 - Perfectium-50 – Get a perfect score on every level up to Level 50 - Perfectium-100 – Get a perfect score on every level up to Level 100 PURCHASES - Buy 100 Stars for $0.99 USD - Buy black oil or the white special chemical for $0.99 USD in the Lab (opens at level 10) SHARING - Share solutions, progress, scores, awards, and new puzzle creations via text message, e-mail, Facebook, Twitter, or any other registered messaging app - Share your level ranking by tapping on your player icon - After completing a level, share your score from the replay screen - Inside the lab you can share your creations via a simple URL so that others can import it and play Download Spill Zone for Free! http://spill.zone/

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

Spill Zone4 screens
Shape Theory4 screens

Verdict

The call

The clearest difference is update cadence: Shape Theory at every 3 weeks against Spill Zone's every 2 months. Spill Zone's advantage is iOS requirement (11.0 vs 18.6). On price, review sentiment, 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. Spill Zone sells 4 one-off in-app purchases and Shape Theory sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Spill Zone ships an update every 2 months, Shape Theory every 3 weeks. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
Spill Zone versus Shape Theory: the parameters behind the verdict, then further details
ParameterSpill ZoneShape Theory
PriceFreeFree
Rating4.8 (30 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings30 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS11.0 — better18.6
Further details — not scored
Size41 MB13 MB
Age rating4+4+
DeveloperTMSOFTBulltech

Customer experience

Spill Zone

All ratings30 ratings
Positive96.7%
Neutral0.0%
Negative3.3%
Written reviews86 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Shape Theory

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

Bugs and requests

Spill Zone

Requested features

4 requests
  • More challenges/levels
  • More helpful/cheaper hints
  • Messaging ability between players
  • Dark mode option

Shape Theory

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Spill Zone

One-time4
  • 10 Lives$0.99
  • 100 Stars$0.99
  • Oil$0.99
Show 1 more
  • Special Chemical$0.99
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 Spill Zone free?
Spill Zone is free to download, with in-app purchases available.
Is Shape Theory free?
Shape Theory is free to download, with in-app purchases available.
Do Spill Zone or Shape Theory have ads?
Both Spill Zone and Shape Theory show ads.
Which is updated more often, Spill Zone or Shape Theory?
Spill Zone ships an update every 2 months, and Shape Theory every 3 weeks. Most recently, Spill Zone was updated on October 21, 2026 and Shape Theory on October 12, 2026.

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