DuoCards vs Matoo7
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Matoo7
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A melhor coleção de exercícios para 7.º ano, organizados por temas, de acordo com as aprendizagens essenciais. Prepara-te para os testes de Matemática e para a prova final do ano letivo 2022/23. Com o Matoo7 podes: 1 - treinar a resolução de uma grande variedade de exercícios de Matemática, criteriosamente selecionados e organizados pelos conteúdos que compõem o programa de matemática do 7.º ano; 2 - colocar na lista de dúvidas os exercícios que não percebeste, para facilitar o esclarecimento dos mesmos por parte de um colega ou professor; 3 - obter uma avaliação pelo teu desempenho na resolução dos exercícios; 4 - trabalhar, de uma forma global, todos os conteúdos que aprendeste até ao momento, ou trabalhar apenas algum(ns) tema(s) específico(s); 5 - obter uma gestão eficaz dos exercícios resolvidos com sucesso e dos que ainda não conseguiste resolver. Na secção do PRATICAR, poderás treinar a resolução de uma grande variedade de exercícios de Matemática, organizados pelos seguintes temas: * Revisões * Números racionais * Potências de base inteira * Raízes quadradas e raízes cúbicas * Definição de função e tipos de representação * Função linear e função afim. Proporcionalidade direta * Expressões algébricas. Equações de 1.º grau * Sequências e regularidades * Figuras geométricas planas. Quadriláteros * Áreas * Semelhança de figuras * Perímetros e áreas de figuras semelhantes * Média, moda e mediana de um conjunto de dados Todas as informações do Matoo7 serão guardadas localmente no dispositivo, não sendo necessária uma ligação de Internet para que o programa funcione. Estás pronto para enfrentar o desafio de resolver todos os exercícios do Matoo7?
Screenshots
Verdict
The clearest difference is price: DuoCards at Free against Matoo7's $6.99. DuoCards also leads on update cadence (monthly vs every 12 months). Matoo7's advantage is in-app purchases (none vs 10) and ads (none vs shown). On 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
DuoCards is free to download; Matoo7 costs $6.99 up front. DuoCards sells 9 in-app purchases, starting at $19.99 per month. Matoo7 asks for nothing beyond the download.
DuoCards ships an update monthly, Matoo7 every 12 months. The most recent releases landed on November 13, 2026 and November 3, 2026 respectively.
| Parameter | DuoCards | Matoo7 |
|---|---|---|
| Price | Free — better | $6.99 |
| Rating | 4.7 (1.5K ratings) — better | — |
| Positive reviews | 63.1% of reviews | — |
| Number of ratings | 1.5K — better | — |
| Update frequency | Monthly — better | Every 12 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | DuoCards s.r.o | Antonio Alves |
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
Matoo7
Not enough reviews yet to summarise bugs or requests.
In-app purchases
DuoCards
- DuoCards Premium2 variants$19.991 Month
- DuoCards Plus$33.003 Months
- DuoCards Premium$34.993 Months
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- 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
Matoo7
No in-app purchases









