Comparison

Stack the Countries® vs YodelOh Math Mountain

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

Head to head
About

Stack the Countries®

Learn world geography through a fun, interactive game. Stack animated countries by answering questions about capitals, landmarks, and locations. Collect all countries and unlock bonus games for a comprehensive learning experience.

Highlights
  • Learn country capitals, landmarks, and locations
  • Build stacks of countries to win levels
  • Collect all 193 countries
  • Unlock bonus games: Map It! and Pile Up!
  • Focus on specific continents or the whole world
  • 193 country flash cards and interactive maps
  • Play in English, Spanish, and French
Features
Read full description

- Featured on the TODAY show! - Editor's Choice Award! - Children's Technology Review - "Stack the Countries is worth every penny and this is an educational purchase that you absolutely will not regret." - The iPhone Mom Stack the Countries® makes learning about the world fun! Watch the countries actually come to life in this colorful and dynamic game! As you learn country capitals, landmarks, geographic locations and more, you can actually touch, move and drop the animated countries anywhere on the screen. Carefully build a stack of countries that reaches the checkered line to win each level. You earn a random country for every successfully completed level. All of your countries appear on your own personalized maps of the continents. Try to collect all 193! As you earn more countries, you begin to unlock the free bonus games: Map It! and Pile Up! Three games in one! CONTROL YOUR OWN EXPERIENCE: You can choose to focus on just one specific continent or play the whole world. You can also select which types of questions are asked. LEARN BEFORE YOU PLAY: Stack the Countries provides 193 country flash cards and colorful interactive maps of the continents. Use them to brush up on your world geography before you play or as a handy reference tool. HAVE FUN LEARNING ALL ABOUT THE COUNTRIES OF THE WORLD: ▸ Capitals ▸ Landmarks ▸ Major Cities ▸ Continents ▸ Border Countries ▸ Languages ▸ Flags ▸ Country Shapes FEATURES: ▸ More than 1000 unique questions ▸ 193 flash cards -- one for each country! ▸ Interactive maps of the continents ▸ Collect all 193 countries and track your progress on personalized maps ▸ Earn FREE bonus games: Map It! and Pile Up! ▸ Play in English, Spanish and French ▸ Works on both iPhone and iPad - a universal app ▸ Create up to six player profiles ▸ Choose any of the friendly-looking countries as your avatar ▸ High resolution pictures of famous world landmarks ▸ All games are powered by a realistic physics engine ▸ Fun sound effects and music ▸ iPhone 4 Retina Display support THREE GAMES IN ONE: STACK THE COUNTRIES: Build tall piles of countries and try to reach the checkered line. MAP IT: Tap the location of the selected country on the map. Try to complete the whole continent! PILE UP: The countries are piling up! Identify and tap them quickly to get rid of them before they reach the top. Stack the Countries® is an educational app for all ages that's actually FUN to play. Try it now and enjoy three games for the price of one! PRIVACY DISCLOSURE: Stack the Countries®: - Does not contain 3rd party ads. - Does not contain in-app purchases. - Does not contain integration with social networks. - Does not use 3rd party analytics / data collection tools. - Does include links to apps by Dan Russell-Pinson in the iTunes App Store (via Performance Horizon). For more information on our privacy policy please visit: http://dan-russell-pinson.com/privacy/

About

YodelOh Math Mountain

Engage in a fast-paced Alpine adventure that turns math drills into a fun challenge. Master addition, subtraction, multiplication, and division through quick tapping and original yodeling music. Compete for high scores and become the King of the Alps.

Highlights
  • Addition and subtraction practice
  • Multiplication and division practice
  • Five game modes
  • High-score charts
  • Multi-language support
Features
Read full description

Test your addition, subtraction, multiplication and division in the crazy Alpine Adventure that transforms dry math drills into a mountain of fun. Score big and you could be the next King of the Alps in the hilarious carnival game that combines fast-tapping fun and original yodeling music to help you master the basics of math. "Throw away your math flashcards, we've found something much better." — Fun Educational Apps Features: • All the addition and subtraction binomial equations for numbers 1-20. • All the multiplication and division binomial equations for numbers 1-12. • Five game modes based on the basic math operators. • High-score charts that track the best 15 games for all five operators, providing a fun motivation tool for the classroom. • Support for English, French, Italian, German, Spanish, Portuguese, Russian, Turkish, Japanese, Korean, Simplified Chinese and Traditional Chinese. • No ads or in-app purchases. Awards & Recognition: • As seen in The New York Times • Apple New and Noteworthy • Featured in Apple’s Kids Collection The entire collection of Spinlight apps are now part of the Little 10 Robot family. AlphaTots Alphabet, TallyTots Counting, Pixel and Parker, Operation Math, Winky Think Logic Puzzles, Billy’s Coin Visits the Zoo, Gappy Learns Reading, Gappy Learns Writing, Geography Drive USA, Swapsies Jobs, Swapsies Sports, YodelOh Math Mountain and more! Crafted by Little 10 Robot. We believe that smiling is the first step in learning. That’s why we make educational apps loaded with serious fun.

Screenshots

Stack the Countries®4 screens
YodelOh Math Mountain4 screens

Verdict

The call

The clearest difference is monetization model: YodelOh Math Mountain at free against Stack the Countries®'s paid. YodelOh Math Mountain also leads on update cadence (every 3 months vs every 6 months) and iOS requirement (8.0 vs 12.0). Stack the Countries®'s advantage is ratings volume (1K vs 30) and chart position (#23 vs unranked). On price, rating, ads and in-app purchases 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

Stack the Countries® costs $2.99 and YodelOh Math Mountain $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Stack the Countries® against 4.5 for YodelOh Math Mountain. That said, the two scores are not equally well evidenced: Stack the Countries® has 1K ratings behind it against 30, so its average is the more settled of the two. Written reviews are what separate them: 92% of Stack the Countries®'s written reviews are positive against 80% of YodelOh Math Mountain's.

UpkeepUpdate frequency

Stack the Countries® ships an update every 6 months, YodelOh Math Mountain every 3 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 5 level
Stack the Countries® versus YodelOh Math Mountain: the parameters behind the verdict, then further details
ParameterStack the Countries®YodelOh Math Mountain
Price$2.99$2.99
Rating4.6 (1K ratings) — better4.5 (30 ratings)
Positive reviews91.5% of reviews — better80.3% of reviews
Number of ratings1K — better30
Update frequencyEvery 6 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#23 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.08.0 — better
Further details — not scored
Size132 MB54 MB
Age rating4+4+
DeveloperFreecloud Design, Inc.Little 10 Robot

Customer experience

Stack the Countries®

All ratings1,031 ratings
Positive89.1%
Neutral4.1%
Negative6.8%
Written reviews343 reviews
Positive91.5%
Neutral2.9%
Negative5.5%

YodelOh Math Mountain

All ratings30 ratings
Positive93.3%
Neutral0.0%
Negative6.7%
Written reviews61 reviews
Positive80.3%
Neutral13.1%
Negative6.6%

User reviews

Stack the Countries®

From 1K App Store ratings

What we love

  • 👍 Excellent educational game
  • 🤩 Fun and engaging
  • 🧠 Helps improve geography knowledge
  • 👨‍👩‍👧‍👦 Great for all ages
  • 🕹️ Addictive gameplay

Room to improve

  • 🐛 Some bugs and glitches
  • 🤔 Repetitive questions
  • 🗺️ Inaccurate country sizes/shapes
  • 🔍 Missing certain countries/territories

YodelOh Math Mountain

From 30 App Store ratings

What we love

  • 👍 Fun and engaging gameplay
  • 💡 Educational math practice
  • 🚀 Improves math skills
  • 👨‍👩‍👧‍👦 Great for kids and adults
  • 🎨 Attractive graphics and design

Room to improve

  • 😞 Distracting sounds
  • 📉 Demotivating long rounds
  • 🚩 Sexist reward game (bad icons are women)
  • 😴 Slow gameplay
  • 🤔 Kids want to get questions wrong

Bugs and requests

Stack the Countries®

Reported bugs

5 issues
  • Albania's position is tilted
  • Overlapping of certain countries (e.g. Turkmenistan, Uzbekistan, Afghanistan)
  • Incorrect information (e.g. Pyongyang in South Korea)
  • Game freezing or crashing
  • Progress not saving properly

Requested features

6 requests
  • Add more countries and territories (e.g. Vatican City, Western Sahara, Kosovo, Taiwan)
  • Improve accuracy of country sizes and shapes
  • Increase variety of questions (e.g. capitals, landmarks, languages, geography facts)
  • Add read-aloud option for questions
  • Introduce more game modes and difficulty levels
Show 1 more
  • Create a sequel with enhanced features (like Stack the States 2)

YodelOh Math Mountain

Reported bugs

2 issues
  • App had to be installed twice to work
  • Update fixed certain bugs

Requested features

7 requests
  • Option to turn music on/off
  • Choose number of wrong answers before game ends
  • Option to determine timer speed
  • Make climber a girl if player is a girl
  • Fix sexist reward game icons
Show 2 more
  • Make alternate answers closer to correct answers
  • More visual reward for correct answers

In-app purchases

None

Stack the Countries®

No in-app purchases

None

YodelOh Math Mountain

No in-app purchases

Questions

Is Stack the Countries® free?
Stack the Countries® costs $2.99, with no in-app purchases.
Is YodelOh Math Mountain free?
YodelOh Math Mountain costs $2.99, with no in-app purchases.
Which has better reviews, Stack the Countries® or YodelOh Math Mountain?
Stack the Countries® is rated higher. Stack the Countries® averages 4.6 out of 5 from 1K ratings, while YodelOh Math Mountain averages 4.5 from 30 ratings.
Do Stack the Countries® or YodelOh Math Mountain have ads?
Neither Stack the Countries® nor YodelOh Math Mountain shows ads.
Which is updated more often, Stack the Countries® or YodelOh Math Mountain?
Stack the Countries® ships an update every 6 months, and YodelOh Math Mountain every 3 months. Most recently, Stack the Countries® was updated on October 14, 2026 and YodelOh Math Mountain on October 7, 2026.

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