# ECA vs Flash Cards

The clearest difference is in-app purchases: ECA at none against Flash Cards's 2. ECA also leads on iOS requirement (11.0 vs 18.2). Flash Cards's advantage is update cadence (every 5 days vs every 21 months). On price, ads and device support there is nothing between them.

Both are free to download. Flash Cards sells 2 in-app purchases, starting at $4.99 per month. ECA asks for nothing beyond the download.

ECA ships an update every 21 months, Flash Cards every 5 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ECA | Flash Cards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (12 ratings)](https://appshunter.io/ios/app/flash-cards-study-app/id6745530767/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 52 MB | 6 MB |
| Requires iOS | **11.0** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Antell System S de RL de CV](https://appshunter.io/developer/1227463390) | [Garrett Moody](https://appshunter.io/developer/1582409468) |

## What reviewers say

### ECA

[App page](https://appshunter.io/ios/app/eca/id1427789903)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flash Cards

[App page](https://appshunter.io/ios/app/flash-cards-study-app/id6745530767)

Create and study custom flashcards with AI assistance. Organize learning with color-coding and test your knowledge with self-quizzes. Access study sets offline for flexible learning.

**Highlights:** Create custom study sets, Color-code learning sets, Generate flashcards with AI, Self-quiz mode, Offline access

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Index Cards Pro Monthly | $4.99 | per month |
| Index Cards Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is ECA free?

ECA is free to download, with no in-app purchases.

### Is Flash Cards free?

Flash Cards is free to download, with in-app purchases available.

### Do ECA or Flash Cards have ads?

Neither ECA nor Flash Cards shows ads.

### Which is updated more often, ECA or Flash Cards?

ECA ships an update every 21 months, and Flash Cards every 5 days. Most recently, ECA was updated on October 26, 2026 and Flash Cards on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*