Even or odd Mental calculation vs Equilibrians (Lite)
Price, ratings, monetisation and update history for both games, side by side — 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).
Equilibrians (Lite)
A puzzle game where players balance creatures of different weights on a seesaw. It visually explains mathematical concepts and requires constructing valid mathematical equalities to solve puzzles. Offers multiple solutions and collectible rewards.
- Balance and weight puzzles
- Visual mathematical explanations
- Constructing mathematical equalities
- Multi-user support
- Collectible stars and stickers
- Randomly generated puzzles
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From the creators of King of Math comes a new math game about balance! The Equilibrians are small creatures of different weight that seek balance. Your task is to place them on the seesaw and make sure that it is balanced. A tricky puzzle game for problem solvers of all ages! The state of the seesaw in the game is illustrated with mathematical expressions. In that way a range of mathematical concepts are visually explained in an accessible manner. By balancing the seesaw, the goal is also to construct valid mathematical equalities. The player can solve puzzles in an experimental manner and there are often several possible solutions. Additional features - 15 levels to try out - Randomly generated puzzles - Collect stars and stickers - Multi-user support - No ads or external links The game is suitable for age 10 and up and contains the following topics: - Balance, weight, torque - Equalities - Less than, more than - Addition - Subtraction - Multiplication - Division - Parentheses - Fractions - Powers and roots The first 15 levels of the game are free. If you want to continue playing, you will have to buy the full game. This is a one-time purchase that includes all 50 levels of the game.
Screenshots
Verdict
The clearest difference is ads: Equilibrians (Lite) at none against Even or odd Mental calculation's shown. Equilibrians (Lite) also leads on iOS requirement (13.0 vs 15.0). Even or odd Mental calculation's advantage is update cadence (every 23 months vs every 105 months). On price, review sentiment, 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. Even or odd Mental calculation sells 1 one-off in-app purchase and Equilibrians (Lite) sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Even or odd Mental calculation ships an update every 23 months, Equilibrians (Lite) every 105 months. The most recent releases landed on October 20, 2026 and November 2, 2026 respectively.
| Parameter | Even or odd Mental calculation | Equilibrians (Lite) |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 23 months — better | Every 105 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 68 MB | 209 MB |
| Age rating | 4+ | 4+ |
| Developer | Iker Vazquez | Oddrobo Software AB |
Customer experience
Even or odd Mental calculation
Equilibrians (Lite)
In-app purchases
Even or odd Mental calculation
- Full version upgrade$0.99
Equilibrians (Lite)
- Full Game$1.99
Questions
Is Even or odd Mental calculation free?
Is Equilibrians (Lite) free?
Do Even or odd Mental calculation or Equilibrians (Lite) have ads?
Which is updated more often, Even or odd Mental calculation or Equilibrians (Lite)?
Other comparisons
