Comparison

Stack the States® vs Number Run

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

Number Run

Embark on an adventure to recover stolen crystals by solving math problems. This game offers engaging practice for all ages, from children learning arithmetic to adults seeking mental stimulation. It features multiple game modes and educational alignment.

Highlights
  • 52 math levels
  • Addition, subtraction, multiplication, division
  • Endless Mode
  • Common Core aligned
  • Unlockable outfits
  • Developed by graduate students
Features
Read full description

Baron von Count has stolen the 4 Mathemagical crystals of the land. Chase him down and bring him to justice or humanity will be forced to count on their fingers forever! Number Run is great practice for boys & girls learning math and adults who just want to stay sharp. Finally, a FUN math game: -Features 52 levels across addition, subtraction, multiplication, and division -Test your skills in Endless Mode -Aligned to Common Core state standards -Unlock new outfits and show your style -Developed by graduate students from Stanford and USC -Retina support for iPhone and iPad -Did we mention it's actually fun? We're gamers, we're developers, we're educators--talk to us at www.facebook.com/numberrun

Screenshots

Stack the States®4 screens
Number Run4 screens

Verdict

The call

The clearest difference is monetization model: Number Run at free against Stack the States®'s paid. Stack the States®'s advantage is chart position (#6 vs unranked). On price, rating, review sentiment and ratings volume 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 Number Run $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 Number Run. Both are backed by a comparable volume of ratings — 2.2K and 1.1K respectively. Written reviews split almost evenly too, at 91% and 91% positive.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.

Scorecard2 real differences · 9 level
Stack the States® versus Number Run: the parameters behind the verdict, then further details
ParameterStack the States®Number Run
Price$2.99$2.99
Rating4.4 (2.2K ratings)4.5 (1.1K ratings) — better
Positive reviews90.7% of reviews90.9% of reviews — better
Number of ratings2.2K — better1.1K
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#6 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size99 MB39 MB
Age rating4+4+
DeveloperFreecloud Design, Inc.Ignacio Schiefelbein

Customer experience

Stack the States®

All ratings2,185 ratings
Positive85.5%
Neutral5.0%
Negative9.4%
Written reviews194 reviews
Positive90.7%
Neutral2.6%
Negative6.7%

Number Run

All ratings1,111 ratings
Positive88.3%
Neutral5.2%
Negative6.5%
Written reviews88 reviews
Positive90.9%
Neutral3.4%
Negative5.7%

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

Number Run

From 1.1K App Store ratings

What we love

  • 🚀 Simple and straightforward
  • 👍 Fun and engaging way to learn math
  • 👍 Great for kids and parents
  • 👍 Helps improve math skills
  • 👍 No ads or distractions

Room to improve

  • ⏱️ Can be too fast-paced for some users
  • 🔧 Could use more customization options

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

Number Run

Reported bugs

2 issues
  • Occasional crashes or freezes
  • Issues with number entry on certain devices

Requested features

3 requests
  • Ability to adjust difficulty/speed settings
  • Progress tracking for parents/teachers
  • More variety of skins/characters

In-app purchases

None

Stack the States®

No in-app purchases

None

Number Run

No in-app purchases

Questions

Is Stack the States® free?
Stack the States® costs $2.99, with no in-app purchases.
Is Number Run free?
Number Run costs $2.99, with no in-app purchases.
Which has better reviews, Stack the States® or Number Run?
Number Run is rated higher. Stack the States® averages 4.4 out of 5 from 2.2K ratings, while Number Run averages 4.5 from 1.1K ratings.
Do Stack the States® or Number Run have ads?
Neither Stack the States® nor Number Run shows ads.
Which is updated more often, Stack the States® or Number Run?
Stack the States® ships an update every 3 months, and Number Run every 3 months. Most recently, Stack the States® was updated on September 27, 2026 and Number Run on September 28, 2026.

Other comparisons