Comparison

Mental Math Trainer vs UndercoWhite

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

Head to head
About

Mental Math Trainer

Features
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CalcSprint is a mental math trainer built for one thing: making you faster at arithmetic in your head. No paper, no calculator — just you, the clock, and a stream of problems to solve as fast as you can. Every session is a timed sprint. The clock starts, problems appear, and you tap the correct answer. The quicker and more accurately you solve, the higher you score. How it works: • Timed sprints — solve as many problems as you can before time runs out • Pick your length — 30-second, 1-minute, or 2-minute sessions • Three levels — Easy (add and subtract), Medium (all four operations), Hard (all four, plus two-step problems) • Multiple choice — tap to answer and keep up the pace • Pure head math — quick single- and two-step calculations, done in your head Track your progress: • Streak of correct answers in a row • Accuracy — how many you get right • Average answer time — watch your speed climb • Your personal best, ready to beat • A 14-day history of your practice No account, no sign-up, no clutter — open the app and start solving in seconds. Made for students warming up before a test, anyone keeping their mental math sharp, and people who just enjoy quick calculation. Practice a little every day and your head math gets faster and more confident. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

UndercoWhite

A local multiplayer party game where players secretly discover roles and words. Bluff, observe, and vote to eliminate impostors, but beware of Mr. White's potential win. Enjoy quick, engaging rounds with friends and family.

Highlights
  • Secret roles (Civilians, Undercover, Mr White)
  • Bluffing and deduction gameplay
  • Local multiplayer on a single phone
  • Unlockable word packs and themes
  • No account required
  • Immersive interface
Features
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UndercoWhite is a local multiplayer party game designed for nights with friends, family moments, or quick breaks that can quickly turn into heated debates. The rules are simple: each player secretly discovers their role on the same phone. Most players receive the same word, some receive a different word, and Mr White has no word at all. Talk, observe, bluff, guess, and vote to eliminate the impostors. But be careful: Mr White can win if he guesses the civilians’ word at the right moment. Why play UndercoWhite? • Quick and easy games to start • Only one phone needed • Perfect with friends, family, or at parties • Secret roles: Civilians, Undercover players, and Mr White • Voting, bluffing, and plenty of suspicion • Multiple word packs and themes to unlock • Playable without a required account • Dark, smooth, and immersive interface Every game is different. A player who seems too confident may be lying. An innocent player may look suspicious. A single word can change everything. UndercoWhite combines deduction, social strategy, and controlled chaos. Discuss, accuse, defend yourself, then vote. The final word can save Mr White… or condemn him. Perfect if you enjoy bluffing games, word games, party games, and matches where nobody trusts anybody.

Screenshots

Mental Math Trainer4 screens
UndercoWhite4 screens

Verdict

The call

The clearest difference is ads: Mental Math Trainer at none against UndercoWhite's shown. UndercoWhite's advantage is update cadence (every 5 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement 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. Mental Math Trainer sells 1 in-app purchase, starting at $4.99 per year and UndercoWhite sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Mental Math Trainer ships an update every 3 weeks, UndercoWhite every 5 days. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

Scorecard2 real differences · 6 level
Mental Math Trainer versus UndercoWhite: the parameters behind the verdict, then further details
ParameterMental Math TrainerUndercoWhite
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size30 MB51 MB
Age rating4+17+
DeveloperNadzeya YashchukIDRIS ALI

In-app purchases

1 purchases

Mental Math Trainer

Subscriptions1
  • Full Stats. All Year.$4.991 Year
10 purchases

UndercoWhite

One-time10
  • Breaking Bad$0.99
  • The Boys$0.99
  • Prison Break$0.99
Show 7 more
  • The Walking Dead$0.99
  • Tennis theme$0.99
  • MMA Theme$0.99
  • Nouveau thème sur la F1$0.99
  • New theme boxe$0.99
  • Sport Pack$1.99
  • Bundle Sport$2.99

Questions

Is Mental Math Trainer free?
Mental Math Trainer is free to download, with in-app purchases available.
Is UndercoWhite free?
UndercoWhite is free to download, with in-app purchases available.
Do Mental Math Trainer or UndercoWhite have ads?
UndercoWhite shows ads; Mental Math Trainer does not.
Which is updated more often, Mental Math Trainer or UndercoWhite?
Mental Math Trainer ships an update every 3 weeks, and UndercoWhite every 5 days. Most recently, Mental Math Trainer was updated on October 25, 2026 and UndercoWhite on October 17, 2026.

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