Comparison

The Unstoppables vs Mental Math Trainer

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

Head to head
About

The Unstoppables

Join four friends on a mission to rescue their kidnapped guide dog. Navigate obstacles and utilize teamwork to overcome challenges in this adventure game. Explore diverse locations, from a house to a spooky forest hut, in a quest to save Tofu.

Highlights
  • Rescue mission
  • Teamwork challenges
  • Obstacle navigation
  • Diverse locations
  • Story-driven adventure
Features
Read full description

What a catastrophe! The four friends Mai, Jan, Achim and Melissa were standing in front of the food stand completely unsuspectingly when, suddenly, their beloved guide dog Tofu was kidnapped by a mysterious villain! The four friends know their mission clearly: they must free Tofu from the hands of his kidnapper. The friends won’t let their differences get in their way. Only through great teamwork will they be able to overcome the various obstacles in the way of their goal. They are «The Unstoppables!» This fun journey begins at Melissa’s house and continues step by step to the spooky forest hut. Will you succeed in helping the Unstoppables free Tofu? This game was developed alongside the «Diversity Principle» learning resource, which is concerned with the theme of «Sameness and Otherness».

About

Mental Math Trainer

Features
Read full description

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/

Screenshots

The Unstoppables4 screens
Mental Math Trainer4 screens

Verdict

The call

The clearest difference is in-app purchases: The Unstoppables at none against Mental Math Trainer's 2. Mental Math Trainer's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, 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 2 in-app purchases, starting at $1.99 per month. The Unstoppables asks for nothing beyond the download.

UpkeepUpdate frequency

The Unstoppables ships an update every 3 months, Mental Math Trainer every 3 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
The Unstoppables versus Mental Math Trainer: the parameters behind the verdict, then further details
ParameterThe UnstoppablesMental Math Trainer
PriceFreeFree
Rating4.2 (18 ratings) — better—
Positive reviews73.3% of reviews—
Number of ratings18 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size234 MB31 MB
Age rating4+4+
DeveloperSchweizerische Stiftung fuer das cerebral gelaehmte KindNadzeya Yashchuk

In-app purchases

None

The Unstoppables

No in-app purchases

2 purchases

Mental Math Trainer

Subscriptions2
  • Full Stats. No Ads. Monthly.$1.991 Month
  • Full Stats. All Year.3 Days trial$9.991 Year

Questions

Is The Unstoppables free?
The Unstoppables is free to download, with no in-app purchases.
Is Mental Math Trainer free?
Mental Math Trainer is free to download, with in-app purchases available.
Do The Unstoppables or Mental Math Trainer have ads?
Neither The Unstoppables nor Mental Math Trainer shows ads.
Which is updated more often, The Unstoppables or Mental Math Trainer?
The Unstoppables ships an update every 3 months, and Mental Math Trainer every 3 weeks. Most recently, The Unstoppables was updated on November 1, 2026 and Mental Math Trainer on October 31, 2026.

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