Comparison

DuoCards vs Teddy Bear Math

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

Head to head
About

DuoCards

Master a new language with interactive flashcards and video courses. This app helps you build vocabulary, guess words, and track your progress across over 50 languages. Learn effectively through spaced repetition and integrated translation tools.

Highlights
  • Flashcard learning with spaced repetition
  • Video language courses with interactive subtitles
  • Integrated translator for over 50 languages
  • Vocabulary builder and progress tracker
  • Guess words and phrases to sharpen skills
  • Read foreign language articles
Features
Read full description

Build vocabulary from the real content you already enjoy. DuoCards helps you save new words from videos, articles, shared decks, and your own notes, then remember them with smart flashcards and spaced repetition. Why learners choose DuoCards: - Save words and phrases from videos, subtitles, and articles - Practice with an AI tutor for real-life conversations - Improve pronunciation with instant feedback - Review vocabulary with flashcards that adapt to your progress - Learn English, Spanish, French, German, Japanese, Korean, and 50+ languages - Use ready-made courses, public decks, or your own personal word lists Learn in a simple loop: 1. Discover useful words in context 2. Save them to your personal deck 3. Review, speak, listen, and remember Whether you are learning for travel, school, work, or everyday conversations, DuoCards gives you a flexible way to build vocabulary and keep it in memory. Download DuoCards and start building your language habit today. Terms of use: https://www.duocards.com/termsofuse.html Privacy policy: https://www.duocards.com/privacypolicy.html

About

Teddy Bear Math

Features
Read full description

Children love Teddy Bear Math! Make maths feel fun, rewarding, and playful. Children solve short daily math challenges, earn coins and stars, and unlock adorable collectible pets as they progress. With quick sessions designed to take around 5 minutes or less each day, Teddy Bear Math helps children build maths confidence through small wins, rewarding progress, and minimal screen time. Perfect for quick practice sessions at home or on the go, the game combines learning with a cozy, game-like experience children actually want to come back to. FEATURES • Fun daily math challenges • Earn coins and stars • Unlock and collect cute animal pets • Progressive challenge levels • Bright, friendly, child-safe design • Fast and simple gameplay sessions • No account required • Progress saved locally on your device Teddy Bear Math is designed for young learners roughly aged 5–12 and focuses on making maths feel positive, approachable, and rewarding rather than stressful or overwhelming. New content, pets, and features are planned in future updates.

Screenshots

DuoCards4 screens
Teddy Bear Math4 screens

Verdict

The call

The clearest difference is in-app purchases: Teddy Bear Math at none against DuoCards's 11. Teddy Bear Math also leads on ads (none vs shown) and update cadence (every 2 days vs monthly). DuoCards's advantage is iOS requirement (13.0 vs 15.0). On price 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. DuoCards sells 10 in-app purchases, starting at $19.99 per month. Teddy Bear Math asks for nothing beyond the download.

UpkeepUpdate frequency

DuoCards ships an update monthly, Teddy Bear Math every 2 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
DuoCards versus Teddy Bear Math: the parameters behind the verdict, then further details
ParameterDuoCardsTeddy Bear Math
PriceFreeFree
Rating4.7 (1.4K ratings) — better—
Positive reviews63.1% of reviews—
Number of ratings1.4K — better—
Update frequencyMonthlyEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size19 MB46 MB
Age rating4+4+
DeveloperDuoCards s.r.oChico Charlesworth

Bugs and requests

DuoCards

Reported bugs

4 issues
  • App freezes and crashes
  • Issues with logging in and accessing content
  • Inconsistent behavior when adding new words
  • Problems with video playback and subtitles

Requested features

4 requests
  • Offline mode
  • More customization options
  • Improved spaced repetition system
  • Better integration with other language learning tools

Teddy Bear Math

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

DuoCards

Subscriptions10
  • DuoCards Premium2 variants$19.991 Month
  • DuoCards Plus$33.003 Months
  • DuoCards Premium$34.993 Months
Show 7 more
  • DuoCards Premium$49.991 Year
  • DuoCards Premium7 Days trial$64.901 Year
  • DuoCards Premium7 Days trial$67.991 Year
  • DuoCards Premium1 Year trial$107.991 Year
  • DuoCards Premium7 Days trial$109.001 Year
  • DuoCards Premium7 Days trial$113.991 Year
  • DuoCards Premium1 Year trial$162.991 Year
None

Teddy Bear Math

No in-app purchases

Questions

Is DuoCards free?
DuoCards is free to download, with in-app purchases available.
Is Teddy Bear Math free?
Teddy Bear Math is free to download, with no in-app purchases.
Do DuoCards or Teddy Bear Math have ads?
DuoCards shows ads; Teddy Bear Math does not.
Which is updated more often, DuoCards or Teddy Bear Math?
DuoCards ships an update monthly, and Teddy Bear Math every 2 days. Most recently, DuoCards was updated on October 29, 2026 and Teddy Bear Math on October 28, 2026.

Other comparisons