Math Challenge vs Summation
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Math Challenge
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CountDown is very simple game for improving math skills.
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
Screenshots
Verdict
The clearest difference is in-app purchases: Math Challenge at none against Summation's 2. Summation's advantage is update cadence (every 3 weeks vs every 58 months) and iOS requirement (9.0 vs 17.6). On price, ads 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
Both are free to download. Summation sells 2 one-off in-app purchases. Math Challenge asks for nothing beyond the download.
Math Challenge ships an update every 58 months, Summation every 3 weeks. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.
| Parameter | Math Challenge | Summation |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.2 (58 ratings) — better |
| Positive reviews | — | 70.0% of reviews |
| Number of ratings | — | 58 — better |
| Update frequency | Every 58 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 110 MB |
| Age rating | 4+ | 4+ |
| Developer | Nazir Dogan | Lemon Jam Technology Co., Ltd. |
Bugs and requests
Math Challenge
Not enough reviews yet to summarise bugs or 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
In-app purchases
Math Challenge
No in-app purchases
Summation
- Buy Hints$0.99
- Remove Ads$1.99
