Comparison

Math Masters vs Even or odd Mental calculation

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Math Masters

Engage in math challenges with a ninja guide. Choose from three modes: solve equations to defeat enemies, construct formulas from given answers, or practice specific arithmetic skills.

Highlights
  • Solve equations to defeat enemies
  • Construct formulas from answers
  • Practice weak arithmetic points
  • Three distinct game modes
  • Ninja-themed learning
Features
Read full description

Let’s study the math with the NINJA! This game has 3 modes. “Normal Mode” is defeat the enemy by solving the equation. “Puzzle Mode” is make a formula from the answer. “Training Mode” is practice the weak point.

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).

Screenshots

Math Masters4 screens
Even or odd Mental calculation4 screens

Verdict

The call

The clearest difference is update cadence: Math Masters at every 6 weeks against Even or odd Mental calculation's every 23 months. Math Masters also leads on iOS requirement (11.0 vs 15.0). Even or odd Mental calculation's advantage is review sentiment (100% vs 82%). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Math Masters sells 1 one-off in-app purchase and Even or odd Mental calculation sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Math Masters ships an update every 6 weeks, Even or odd Mental calculation every 23 months. Both last shipped on November 1, 2026.

Scorecard3 real differences · 7 level
Math Masters versus Even or odd Mental calculation: the parameters behind the verdict, then further details
ParameterMath MastersEven or odd Mental calculation
PriceFreeFree
Rating4.0 (12 ratings) — better—
Positive reviews81.8% of reviews100.0% of reviews — better
Number of ratings12 — better—
Update frequencyEvery 6 weeks — betterEvery 23 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size115 MB68 MB
Age rating4+4+
DeveloperHARASHOW InteractiveIker Vazquez

Customer experience

Math Masters

All ratings12 ratings
Positive75.0%
Neutral8.3%
Negative16.7%
Written reviews22 reviews
Positive81.8%
Neutral9.1%
Negative9.1%

Even or odd Mental calculation

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

In-app purchases

1 purchases

Math Masters

One-time1
  • Disable Ads$3.99
1 purchases

Even or odd Mental calculation

One-time1
  • Full version upgrade$0.99

Questions

Is Math Masters free?
Math Masters is free to download, with in-app purchases available.
Is Even or odd Mental calculation free?
Even or odd Mental calculation is free to download, with in-app purchases available.
Do Math Masters or Even or odd Mental calculation have ads?
Both Math Masters and Even or odd Mental calculation show ads.
Which is updated more often, Math Masters or Even or odd Mental calculation?
Math Masters ships an update every 6 weeks, and Even or odd Mental calculation every 23 months. Most recently, Math Masters was updated on November 1, 2026 and Even or odd Mental calculation on November 1, 2026.

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