Comparison

Stack the Countries® vs Tap Tangram

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

Tap Tangram

Engage in a fun math and trivia quiz game that combines Tangram puzzles with customizable learning. Practice arithmetic skills, solve over a hundred unique puzzles, and compete with friends in multiplayer modes. Designed for elementary students, it offers a dynamic and personalized educational experience.

Highlights
  • Tangram puzzle solving
  • Customizable math practice (addition, subtraction, multiplication, division)
  • Trivia questions
  • Multiple user profiles with custom avatars
  • Multiplayer and collaborative play
  • Detailed game statistics
  • Classroom support features
Features
Read full description

Play with your friends, and solve Tangram puzzles in this great math and trivia quiz game. Highly customizable, and beautiful dynamic graphics make the learning experience fun for all. Customize your own avatar, and set your own level of play! Every player is asked individualized questions. SOLVE TANGRAMS: Every Tangram (and there are over one hundred) requires exactly 7 pieces. To solve a Tangram you need to earn pieces by answering questions correctly. The more questions you answer the higher your score. The more Tangrams you solve, the higher your score. FUN MATH PRACTICE: Practice math skills as you solve Tangram puzzles either on your own, or with your friends. Each players profile can be configured to focus on the individual needs of the player. • Multiple user profiles - create your own avatar • Customizable math skills for each player: - Addition - Subtraction - Division - Multiplication (use this to effectively practice your Times Tables!) • Difficulty setting and a number range setting to further tune math questions. • Trivia questions can also be included to make the game a little more fun. Lots of fun trivia for kids has been included. Math questions are presented as either multiple choice, or math sentences. You also have the option to restrict this to multiple choice only on a per-student basis. CLASSROOM SUPPORT Designed to support classroom learning, Tap Tangram provides a unique and engaging way to practice a range of elementary math concepts for kids ages 6-12 and up. Students can play as individuals, or in a group. Tap Tangram supports shared iPad and is compatible with the Classroom app. Tap Tangram supports multiplayer games either on a single device (iPad or iPhone 6+) or over a local Wifi network. Students can connect their games together and have a race to complete their Tangrams! Multiplayer / multi-device games support up to 2 players on a single iPad or iPhone 6+, or up to 6 players across any mixture of devices! Set up teams of players in a classroom. Tap Tangram’s multiplayer game also supports collaborative play by allowing players to share puzzle pieces between each other. Detailed statistics of games are recorded and can be displayed from player profiles. A future update will allow these to be shared with a teacher. ----------------------------------------- KNOW WHAT'S INSIDE As a Know What's Inside member, we follow the "Know what's inside" best practices for kids' apps ----------------------------------------- PKCLsoft is a member of Know What's Inside, a collaborative group of family-friendly developers seeking to promote quality apps for kids and families. PKCLsoft takes children's privacy very seriously. This kids app: - Does not collect any information - Does not contain ads - Does not contain in-app purchases - Does not contain integration with social networks - Does not use analytics / data collection tools

Screenshots

Stack the Countries®4 screens
Tap Tangram3 screens

Verdict

The call

The clearest difference is update cadence: Stack the Countries® at every 6 months against Tap Tangram's every 20 months. Stack the Countries® also leads on chart position (#24 vs unranked). Tap Tangram's advantage is review sentiment (100% vs 92%) and price ($1.99 vs $2.99). On ads, in-app purchases, monetization model and device support 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 Tap Tangram $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Stack the Countries® ships an update every 6 months, Tap Tangram every 20 months. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 7 level
Stack the Countries® versus Tap Tangram: the parameters behind the verdict, then further details
ParameterStack the Countries®Tap Tangram
Price$2.99$1.99 — better
Rating4.6 (1K ratings) — better—
Positive reviews91.5% of reviews100.0% of reviews — better
Number of ratings1K — better—
Update frequencyEvery 6 months — betterEvery 20 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#24 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size132 MB47 MB
Age rating4+4+
DeveloperFreecloud Design, Inc.pkclSoft

Customer experience

Stack the Countries®

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

Tap Tangram

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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)

Tap Tangram

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Stack the Countries®

No in-app purchases

None

Tap Tangram

No in-app purchases

Questions

Is Stack the Countries® free?
Stack the Countries® costs $2.99, with no in-app purchases.
Is Tap Tangram free?
Tap Tangram costs $1.99, with no in-app purchases.
Do Stack the Countries® or Tap Tangram have ads?
Neither Stack the Countries® nor Tap Tangram shows ads.
Which is updated more often, Stack the Countries® or Tap Tangram?
Stack the Countries® ships an update every 6 months, and Tap Tangram every 20 months. Most recently, Stack the Countries® was updated on October 20, 2026 and Tap Tangram on October 12, 2026.

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