# Common Error vs Flashcards!

The clearest difference is update cadence: Flashcards! at every 3 months against Common Error's every 35 months. Common Error's advantage is iOS requirement (7.0 vs 17.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Common Error ships an update every 35 months, Flashcards! every 3 months. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Common Error | Flashcards! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 3 months** |
| Monetization | — | Paid |
| Size | 7 MB | 14 MB |
| Requires iOS | **7.0** | 17.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Le Thi Quynh Ny](https://appshunter.io/developer/1321764676) | [Grant Strickland](https://appshunter.io/developer/1788369303) |

## What reviewers say

### Common Error

[App page](https://appshunter.io/ios/app/common-error/id1224350614)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flashcards!

[App page](https://appshunter.io/ios/app/flashcards/id6740918396)

Create and study custom flashcards to master new skills. Organize your learning into decks with flexible study modes, voice synthesis, and smart duplicate detection. Easily import and export cards for sharing and archiving.

**Highlights:** Custom flashcard creation, Categorized decks, Flexible study modes, Voice synthesis, Smart duplicate detection, Card export/import

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Common Error free?

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

### Is Flashcards! free?

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

### Do Common Error or Flashcards! have ads?

Neither Common Error nor Flashcards! shows ads.

### Which is updated more often, Common Error or Flashcards!?

Common Error ships an update every 35 months, and Flashcards! every 3 months. Most recently, Common Error was updated on October 26, 2026 and Flashcards! on October 10, 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.*