Summation vs Shape Theory
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Summation
Engage your brain with a minimalistic math puzzle game. Rearrange numbers to solve increasingly challenging levels. Explore new themes and enjoy endless gameplay.
- Minimalistic math puzzle gameplay
- Rearrange numbers to solve puzzles
- Endless levels for infinite play
- Unlockable game themes
- Brain workout challenges
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Summation is a minimalistic math game that will give your brain a workout. The objective of the game is to solve the puzzle by rearranging the numbers given to you. Sound easy? But can you get to level 100? Features: - Endless Level. You can play forever. - Unlock new game themes. - New game modes coming. Get in touch: game@lemon-jam.com Twitter:twitter.com/lemonjamstudio Facebook:facebook.com/lemonjamstudio
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.
- Shape discovery through limited reveals
- Strategic deduction of hidden forms
- Progressive difficulty levels
- Minimalist, captivating graphics
- Global leaderboard competition
- Brain teaser and strategy gameplay
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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
Verdict
The clearest difference is ads: Summation at none against Shape Theory's shown. Summation also leads on iOS requirement (9.0 vs 18.6). Shape Theory's advantage is review sentiment (100% vs 70%). On price, update cadence, in-app purchases and monetization model 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
Both are free to download. Summation sells 2 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.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.
| Parameter | Summation | Shape Theory |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (58 ratings) — better | — |
| Positive reviews | 70.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 58 — better | — |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 9.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 110 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Lemon Jam Technology Co., Ltd. | Bulltech |
Customer experience
Summation
Shape Theory
Bugs and requests
Summation
Reported bugs
12 issues- Hint button freezes game and requires reinstall to fix
- Game crashes at specific levels (e.g., level 102)
- App crashes immediately upon opening with blue dot indicator
- Full-screen ads cannot be closed and trap users
- Game gets stuck in landscape mode after full-page ad
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- Ads prevent progression in Challenge Mode
- App Store opens involuntarily multiple times in succession
- Mute setting resets every time app is opened
- Display not properly fitted for iPhone X
- Unsolvable levels in Challenge Mode after paying for ad removal
- Game Center leaderboards not accessible except after beating levels
- Next level button obscured by puzzle elements
Requested features
10 requests- Dark mode for nighttime playing
- Multiplication puzzle variant
- Increased difficulty progression beyond level 100
- More varied puzzle structures and mechanics
- Ability to purchase larger quantities of hints at once
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- Proper Game Center integration with friend additions
- Information about total number of levels available
- Night mode for bedtime gameplay
- Persistent mute setting across sessions
- Better level syncing across devices
Shape Theory
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Summation
- Buy Hints$0.99
- Remove Ads$1.99
Shape Theory
- No Ads For 1 Month$0.991 Month
- No Ads For 1 Year$4.991 Year
- No Ads Forever$8.99
