Stift vs Card.Ai
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stift
Get academic questions answered by teachers nationwide. Submit queries via text, video, photos, audio, or PDFs for a seamless learning experience. Connects students with educators for instant support.
- Submit questions via text, video, photos, audio, PDF
- Receive answers from teachers nationwide
- Connects students and educators
- Intuitive and natural user experience
- Academic support ecosystem
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Envie suas dúvidas acadêmicas em questões específicas ou conteúdos por meio de texto, vídeos, fotos, áudios e PDFs e receba respostas de professores de todo o país. Terceirizamos e reestruturamos uma das partes mais importantes do aprendizado: o plantão de dúvidas. Criamos um ecossistema que conecta alunos à professores, tirando suas dúvidas num clique com uma experiência natural e intuitiva.
Card.Ai
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O Card.Ai é seu parceiro de estudos inteligente. Crie flashcards automaticamente a partir de textos, PDFs ou anotações com IA, organize seus decks por tema e acompanhe seu progresso em tempo real. Estude em qualquer lugar com revisões otimizadas, modo de múltipla escolha e lembretes personalizados. Tudo para transformar conhecimento em memória duradoura. Termos de Uso (EULA): https://www.cardai.app/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Stift at none against Card.Ai's 1. Stift also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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
Both are free to download. Card.Ai sells 1 in-app purchase, starting at $24.99 per year. Stift asks for nothing beyond the download.
Stift ships an update every 2 weeks, Card.Ai every 6 days. Both last shipped on September 15, 2026.
| Parameter | Stift | Card.Ai |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 weeks | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 116 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | STIFT LTDA | Joao Pedro Costa Lima |
In-app purchases
Stift
No in-app purchases
Card.Ai
- Card.Ai Premium Anual$24.991 Year
