Comparison

Stack the States® 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 States®

Learn about the 50 US states through a fun and interactive game. Collect all states, unlock bonus games, and master capitals, shapes, flags, and more. This app makes geography engaging for all ages.

Highlights
  • Learn state capitals, shapes, and flags
  • Interactive drag-and-drop gameplay
  • Collect all 50 states on a personalized map
  • Unlock four bonus educational games
  • Hundreds of unique questions
  • Create multiple player profiles
Features
Read full description

Stack the States® makes learning about the 50 states fun! Watch the states actually come to life in this colorful and dynamic game! As you learn state capitals, shapes, geographic locations, flags and more, you can actually touch, move and drop the animated states anywhere on the screen. Carefully build a stack of states that reaches the checkered line to win each level. You earn a random state for every successfully completed level. All of your states appear on your own personalized map of the United States. Try to collect all 50! As you earn more states, you begin to unlock the four free bonus games: Map It, Pile Up, Puzzler and Capital Drop. Four games in one! HAVE FUN LEARNING ALL ABOUT THE 50 STATES: ▸ Capitals ▸ State shapes ▸ Abbreviations ▸ Bordering states ▸ Location on the map ▸ Nicknames ▸ Flags ...and more! FEATURES: ▸ Hundreds of unique questions ▸ Interactive map and 50 state flash cards ▸ Choose any of the 50 friendly-looking states as your avatar ▸ Create up to six player profiles ▸ Collect all 50 states and track your progress on a personalized map ▸ Earn FREE bonus games: Map It, Pile Up, Puzzler and Capital Drop ▸ High resolution pictures of famous US landmarks ▸ All games are powered by a realistic physics engine ▸ Fun sound effects and music ▸ iPhone 4 and new iPad Retina Display support ▸ Works on both iPhone and iPad - a universal app FIVE GAMES IN ONE: STACK THE STATES: Build tall piles with states and try to reach the checkered line. MAP IT: Tap the location of the selected state on the map. Try to complete the whole country. PILE UP: The states are piling up! Tap them quickly to get rid of them before they pile too high. PUZZLER: Sit back and relax as you slide the states around and put them together like a jigsaw puzzle. CAPITAL DROP: Match states with their capitals in this fast-paced bonus game. Don't let a state fall! Stack the States® is an educational app for all ages that's actually FUN to play. Try it now and enjoy five games for the price of one! PRIVACY DISCLOSURE Stack the States®: - 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 LinkShare). 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 States®4 screens
YodelOh Math Mountain4 screens

Verdict

The call

The clearest difference is monetization model: YodelOh Math Mountain at free against Stack the States®'s paid. YodelOh Math Mountain also leads on iOS requirement (8.0 vs 12.0). Stack the States®'s advantage is ratings volume (2.2K vs 30) and chart position (#5 vs unranked). On price, rating, update cadence and ads 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 States® 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 — 4.4 for Stack the States® against 4.5 for YodelOh Math Mountain. That said, the two scores are not equally well evidenced: Stack the States® has 2.2K ratings behind it against 30, so its average is the more settled of the two. Written reviews are what separate them: 91% of Stack the States®'s written reviews are positive against 80% of YodelOh Math Mountain's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

Scorecard5 real differences · 6 level
Stack the States® versus YodelOh Math Mountain: the parameters behind the verdict, then further details
ParameterStack the States®YodelOh Math Mountain
Price$2.99$2.99
Rating4.4 (2.2K ratings)4.5 (30 ratings) — better
Positive reviews90.8% of reviews — better80.3% of reviews
Number of ratings2.2K — better30
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#5 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.08.0 — better
Further details — not scored
Size99 MB54 MB
Age rating4+4+
DeveloperFreecloud Design, Inc.Little 10 Robot

Customer experience

Stack the States®

All ratings2,189 ratings
Positive85.6%
Neutral5.0%
Negative9.4%
Written reviews195 reviews
Positive90.8%
Neutral2.6%
Negative6.7%

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 States®

From 2.2K App Store ratings

What we love

  • 👍 No ads/tracking
  • 👍 Fun and educational
  • 👍 Helpful for learning states
  • 👍 Nostalgic/childhood game
  • 👍 Great for all ages

Room to improve

  • 🐛 Capital drop glitch
  • 🔍 Needs more content after completing all states
  • 🔍 Difficulty level may be too high for younger kids

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 States®

Reported bugs

2 issues
  • Washington state mapping issue
  • Battery drain when app returns to home screen

Requested features

7 requests
  • Ability to view completed states again
  • Add more state facts/trivia
  • Include background photos related to states
  • Add a country-wide puzzle mode
  • Option to turn off state faces
Show 2 more
  • Add more mini-games
  • Ability to transfer progress between devices

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 States®

No in-app purchases

None

YodelOh Math Mountain

No in-app purchases

Questions

Is Stack the States® free?
Stack the States® 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 States® or YodelOh Math Mountain?
YodelOh Math Mountain is rated higher. Stack the States® averages 4.4 out of 5 from 2.2K ratings, while YodelOh Math Mountain averages 4.5 from 30 ratings.
Do Stack the States® or YodelOh Math Mountain have ads?
Neither Stack the States® nor YodelOh Math Mountain shows ads.
Which is updated more often, Stack the States® or YodelOh Math Mountain?
Stack the States® ships an update every 3 months, and YodelOh Math Mountain every 3 months. Most recently, Stack the States® was updated on October 18, 2026 and YodelOh Math Mountain on October 16, 2026.

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