Even or odd Mental calculation vs LogicSums
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Even or odd Mental calculation
Test your mental math skills by quickly determining if the result of an on-screen operation is even or odd. Earn more points for faster answers and challenge friends to see who has the quickest mind. The difficulty increases as you progress.
- Timed mental calculation challenges
- Score tracking for personal bests
- Speed-based scoring system
- Increasing difficulty levels
- Multiplayer comparison
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Solve the calculation and choose: is the answer even or odd? Par o Impar combines addition, subtraction and multiplication with short sessions and two large answer buttons. Practise at your own pace or test your speed across five modes: - Classic: answer before time runs out and try to beat your record. - Sprint 60: get as many answers right as you can in one minute. Each mistake costs three seconds. - Daily Challenge: 20 calculations each day, with one official attempt and unlimited practice afterwards. - Training: choose addition, subtraction, multiplication or a mix. Play without a timer and see an explanation after each answer. - Challenge Route: complete 30 levels involving calculations, accuracy and memory, and earn medals. A short tutorial explains the controls. Pause your game, adjust sound and vibration, and check your records. Progress is saved on this device and all game modes work offline. The game interface is in Spanish. The app contains advertising. If you previously bought ad removal on iOS, you can restore it from Settings (Ajustes).
LogicSums
Engage in logic-based math puzzles by arranging numbers in a grid to meet target sums. This game offers endless challenges for brain training and mental workouts, perfect for puzzle enthusiasts.
- Logic-based math puzzles
- Number arrangement in grids
- Target sum matching
- Limited guesses per puzzle
- Win and streak tracking
- Fastest solve time recording
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Sharpen your mind and have fun with LogicSums the ultimate logic-based math puzzle game! Solve engaging number puzzles by arranging values in the grid to match target sums across rows and columns. Perfect for fans of Sudoku, Kakuro, and brain training apps. How to Play - Tap and place numbers to complete each row and column equation - Use logic and math strategy to find the correct solution - Solve each puzzle with a limited number of guesses! Features - Endless logic puzzles that challenge your math skills - Track your wins, streaks, and fastest solve times - Clean, minimal design focused on gameplay - Great for brain training and daily mental workouts Whether you're a casual puzzle fan or a hardcore math solver, LogicSums offers a fresh, rewarding challenge. Download now and put your logic to the test!
Screenshots
Verdict
The clearest difference is in-app purchases: LogicSums at none against Even or odd Mental calculation's 1. LogicSums also leads on update cadence (fortnightly vs every 23 months) and iOS requirement (13.0 vs 15.0). On price, review sentiment, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Even or odd Mental calculation sells 1 one-off in-app purchase. LogicSums asks for nothing beyond the download.
Even or odd Mental calculation ships an update every 23 months, LogicSums fortnightly. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.
| Parameter | Even or odd Mental calculation | LogicSums |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Update frequency | Every 23 months | Fortnightly โ better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No โ better |
| Monetization | Free with in-app purchases | Ad-supported โ better |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 68 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Iker Vazquez | Skillshot Games LLC |
Customer experience
Even or odd Mental calculation
LogicSums
In-app purchases
Even or odd Mental calculation
- Full version upgrade$0.99
LogicSums
No in-app purchases
Questions
Is Even or odd Mental calculation free?
Is LogicSums free?
Do Even or odd Mental calculation or LogicSums have ads?
Which is updated more often, Even or odd Mental calculation or LogicSums?
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