Comparison

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.

Head to head
About

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.

Highlights
  • Timed mental calculation challenges
  • Score tracking for personal bests
  • Speed-based scoring system
  • Increasing difficulty levels
  • Multiplayer comparison
Features
Read full description

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).

About

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.

Highlights
  • Logic-based math puzzles
  • Number arrangement in grids
  • Target sum matching
  • Limited guesses per puzzle
  • Win and streak tracking
  • Fastest solve time recording
Features
Read full description

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

Even or odd Mental calculation4 screens
LogicSums3 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Even or odd Mental calculation sells 1 one-off in-app purchase. LogicSums asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard4 real differences ยท 4 level
Even or odd Mental calculation versus LogicSums: the parameters behind the verdict, then further details
ParameterEven or odd Mental calculationLogicSums
PriceFreeFree
Positive reviews100.0% of reviews100.0% of reviews
Update frequencyEvery 23 monthsFortnightly โ€” better
AdsYesYes
In-app purchasesYesNo โ€” better
MonetizationFree with in-app purchasesAd-supported โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.013.0 โ€” better
Further details โ€” not scored
Size68 MB100 MB
Age rating4+4+
DeveloperIker VazquezSkillshot Games LLC

Customer experience

Even or odd Mental calculation

Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

LogicSums

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

In-app purchases

1 purchases

Even or odd Mental calculation

One-time1
  • Full version upgrade$0.99
None

LogicSums

No in-app purchases

Questions

Is Even or odd Mental calculation free?
Even or odd Mental calculation is free to download, with in-app purchases available.
Is LogicSums free?
LogicSums is free to download, with no in-app purchases.
Do Even or odd Mental calculation or LogicSums have ads?
Both Even or odd Mental calculation and LogicSums show ads.
Which is updated more often, Even or odd Mental calculation or LogicSums?
Even or odd Mental calculation ships an update every 23 months, and LogicSums fortnightly. Most recently, Even or odd Mental calculation was updated on October 3, 2026 and LogicSums on September 24, 2026.

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