# Card.io: Flashcards — Simple flashcards for study

> Simple flashcards for study (iPhone/iPad app by Yuqing Wang.)

- Source: https://appshunter.io/ios/app/cardio-flashcards/id6798063192 (this page in markdown: same URL + `.md`)
- Developer: [Yuqing Wang](https://appshunter.io/developer/6798058559)
- Category: Education, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 2 MB
- Languages: American English
- Released: 2026-09-14
- Data updated: 2026-10-09

## What is Card.io?

Card.io is a simple flashcard app for creating decks, reviewing cards, and tracking memory levels.

Create front/back cards, organize them into decks, and study with swipe gestures. Mark cards as easy, okay, or forget to see your progress and focus on weaker material.

Card.io supports CSV import and export, optional dark mode, and a clean interface with no account required.

## Is Card.io safe?

Not enough ratings yet to assess Card.io.

## Is Card.io legit?

Card.io: Flashcards has limited verification signals. The AppsHunter Legitimacy Score for Card.io is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-09-15

No release notes.

## More apps by Yuqing Wang

- [Mirror.ly](https://appshunter.io/ios/app/mirrorly/id6798058557)

All apps by Yuqing Wang: https://appshunter.io/developer/6798058559

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-09.*