Comparison

Common Error vs WordNet Offline Dictionary

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

WordNet Offline Dictionary

Words, synonyms and examples

Free

📚 Education

No ratingsView app →

About

Common Error

Features

Read 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.

About

WordNet Offline Dictionary

Features

Read full description

Unlock the power of words and elevate your language skills with our app! Whether you're a student, writer, or language enthusiast, this app is your ultimate companion for exploring and mastering the English language. With a complete WordNet database and AI-powered translations, you'll gain deeper insights into words and their meanings while enjoying a seamless and user-friendly experience. Features: - Comprehensive WordNet Database: Synonyms, hypernyms, hyponyms, and examples. - Completely Offline. - On device AI-Powered Translations. - Light and Dark Mode. - Minimalist Design. - Multi-Purpose Tool. Whether you're expanding your vocabulary, writing creatively, or learning a new language, this app inspires you to discover the limitless potential of words. Embrace a smarter way to connect with language today!

Screenshots

Common Error4 screens

WordNet Offline Dictionary4 screens

Verdict

The call

The clearest difference is ads: Common Error at none against WordNet Offline Dictionary's shown. Common Error also leads on iOS requirement (7.0 vs 15.5). WordNet Offline Dictionary's advantage is update cadence (every 2 weeks vs every 35 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Common Error ships an update every 35 months, WordNet Offline Dictionary every 2 weeks. The most recent releases landed on September 17, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 3 level

Common Error versus WordNet Offline Dictionary: the parameters behind the verdict, then further details
Parameter	Common Error	WordNet Offline Dictionary
Price	Free	Free
Update frequency	Every 35 months	Every 2 weeks — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	7.0 — better	15.5
Further details — not scored
Size	7 MB	113 MB
Age rating	4+	4+
Developer	Le Thi Quynh Ny	Duc Hung Le

In-app purchases

None

Common Error

No in-app purchases

None

WordNet Offline Dictionary

No in-app purchases

Questions

Is Common Error free?

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

Is WordNet Offline Dictionary free?

WordNet Offline Dictionary is free to download, with no in-app purchases.

Do Common Error or WordNet Offline Dictionary have ads?

WordNet Offline Dictionary shows ads; Common Error does not.

Which is updated more often, Common Error or WordNet Offline Dictionary?

Common Error ships an update every 35 months, and WordNet Offline Dictionary every 2 weeks. Most recently, Common Error was updated on September 17, 2026 and WordNet Offline Dictionary on September 25, 2026.