Common Error vs Diction Masters
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Common Error
Read full descriptionHide full description
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.
Diction Masters
Read full descriptionHide full description
App beautiful app designed to help you speak British English within 6 months
Screenshots
Verdict
The clearest difference is update cadence: Diction Masters at every 11 months against Common Error's every 35 months. Common Error's advantage is iOS requirement (7.0 vs 14.0). 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, Diction Masters every 11 months. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.
| Parameter | Common Error | Diction Masters |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 35 months | Every 11 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 7 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Le Thi Quynh Ny | Klacify Infotech Limited |
In-app purchases
Common Error
No in-app purchases
Diction Masters
No in-app purchases
Questions
Is Common Error free?
Is Diction Masters free?
Do Common Error or Diction Masters have ads?
Which is updated more often, Common Error or Diction Masters?
Other comparisons
