Common Error vs Flashcards!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Common Error
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People with English as their second language make some very common mistakes while speaking or writing in English. The mistakes most of the times are grammar related, framing the questions in wrong manner or small preposition/articles mistakes. Some mistakes could be very embarrassing. With this app you can understand, learn & improve on those mistakes.
Flashcards!
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.
- Custom flashcard creation
- Categorized decks
- Flexible study modes
- Voice synthesis
- Smart duplicate detection
- Card export/import
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Flashcards is a powerful learning and revision tool designed to help you master new skills. Design your own flashcards categorised in decks of your choice, making learning simple, fun and mobile. Key features: Flexible game / study modes Support for multiple languages Enhanced voice synthesis Smart duplicate detection Manual / automatic card flip with configurable timing Card export / import - archive decks, revisit / refresh, share with family and friends Example uses: Revision; exam preparation; travel vocabulary; general knowledge; quizzing; history; geography; music and much more.
Screenshots
Verdict
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.
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. 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.
| Parameter | Common Error | Flashcards! |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 35 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 7 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Le Thi Quynh Ny | Grant Strickland |
In-app purchases
Common Error
No in-app purchases
Flashcards!
No in-app purchases
Questions
Is Common Error free?
Is Flashcards! free?
Do Common Error or Flashcards! have ads?
Which is updated more often, Common Error or Flashcards!?
Other comparisons
