Comparison

Discover German vs String Theory Game

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

Head to head
About

Discover German

Features
Read full description

Discover German 3D is an interactive app designed for children to learn German in a fun and innovative way. The app offers a comprehensive educational experience that includes: Sections: Letters: Learn German letters with pronunciation and 3D models. Numbers: Learn numbers interactively. Family: Learn about family members and their names. Fruits and Vegetables: Learn the names of fruits and vegetables with 3D models. Colors: Learn colors with pronunciation. School: Learn about school-related items. Animals: Discover the names and sounds of animals. Sports: Learn about different sports. Drinks: Learn the names of various drinks. Jobs: Learn about different jobs. Shapes: Learn geometric shapes. Bedroom: Learn about items in the bedroom. Street: Discover items found on the street. Kitchen: Learn the names of kitchen tools. Insects: Learn the names of insects. Birds: Discover the names of birds. Clothes: Learn the names of clothing items. Weather: Learn about weather conditions and related vocabulary. Technology: Learn modern technology terms. Food: Learn the names of various foods. Tools: Discover the names of tools. Clock: Learn to read the clock and the names of times. Features: 3D Models: The app offers 3D models for each word to help children recognize objects better. Pronunciation and Voice Recognition: The app includes pronunciation for each word along with voice recognition technology to verify correct pronunciation and award stars for correct pronunciation. Writing and Tracing: The app shows dotted letters for children to trace, helping improve their writing skills. Multiple Choice: The app offers multiple-choice questions to assess the child's knowledge. Correct and Incorrect Feedback: The app provides immediate feedback on the correctness of answers. Drawing Board: Allows children to draw and express their creativity. Child Encouragement System: If the child earns 100 stars, they receive a bronze medal. If the child earns 200 stars, they receive a silver medal. If the child earns 300 stars, they receive a gold medal. Enjoy learning German in a new and fun way with the "Discover German 3D" app. Download the app now and start the learning journey with your children! Tags: Learn German Children's Education 3D Models Interactive Learning Educational Apps Word Pronunciation

About

String Theory Game

A vibrant puzzle game where you recreate patterns by drawing loops between pegs. Strategically place and overlap loops to match the target design with minimal moves. Offers handcrafted puzzles, daily challenges, and endless free play.

Highlights
  • Pattern matching puzzles
  • Loop drawing mechanics
  • Color-based loop filling
  • 60+ handcrafted puzzles
  • Daily challenges
  • Free play modes
Features
Read full description

String Theory is a colorful puzzle game about matching a given pattern by building it out of different colored shapes. String theory has 60+ handcrafted puzzles, daily challenges, and free play modes, making for hours of fun. Draw lines between pegs to create loops. The loops fill in with a different color depending on how many pegs they touch. Any loop that touches either three pegs or six pegs turns green. Any loop that touches either four pegs or eight pegs turns purple. Any loop that touches either five pegs or seven pegs turns spotted purple. Replicating the given pattern with as few loops as possible requires strategic placement and overlapping of loops. With dozens of handcrafted patterns to match, and thousands additional free play patterns, String Theory is a mind-bending game filled to the brim with tricky puzzles to get the gears turning! No ads, no microtransactions.

Screenshots

Discover German4 screens
String Theory Game4 screens

Verdict

The call

The clearest difference is in-app purchases: String Theory Game at none against Discover German's 1. String Theory Game also leads on update cadence (every 2 days vs every 23 months) and iOS requirement (10.0 vs 13.0). On price, ads 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

Both are free to download. Discover German sells 1 one-off in-app purchase. String Theory Game asks for nothing beyond the download.

UpkeepUpdate frequency

Discover German ships an update every 23 months, String Theory Game every 2 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 6 level
Discover German versus String Theory Game: the parameters behind the verdict, then further details
ParameterDiscover GermanString Theory Game
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 23 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.010.0 — better
Further details — not scored
Size98 MB43 MB
Age rating4+4+
DeveloperIbrahim AmerAndrew Viesta

In-app purchases

1 purchases

Discover German

One-time1
  • Unlock$5.99
None

String Theory Game

No in-app purchases

Questions

Is Discover German free?
Discover German is free to download, with in-app purchases available.
Is String Theory Game free?
String Theory Game is free to download, with no in-app purchases.
Do Discover German or String Theory Game have ads?
Neither Discover German nor String Theory Game shows ads.
Which is updated more often, Discover German or String Theory Game?
Discover German ships an update every 23 months, and String Theory Game every 2 days. Most recently, Discover German was updated on October 7, 2026 and String Theory Game on October 9, 2026.

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