Comparison

Common Error vs AI Grammar Check

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

Head to head
About

Common Error

Features
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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.

About

AI Grammar Check

Features
Read full description

Writing with grammar mistakes can reduce the clarity and professionalism of your content. Small issues such as incorrect punctuation, spelling errors, or wrong word choices can easily change the meaning of a sentence. That’s why our AI-powered English Grammar Checker helps you quickly identify and correct writing mistakes to produce clear, polished, and professional text. - Key Features Our Grammar Checker app is built to help users improve their writing by detecting grammar issues and suggesting better alternatives. It provides more than simple spelling corrections and focuses on improving overall writing quality. 1. Smart Grammar & Tense Detection The AI engine scans your text to detect grammar mistakes, incorrect sentence structures, punctuation errors, tense problems, and wrong word usage. It then provides accurate corrections so your writing becomes grammatically correct and easy to read. 2. Improves Readability and Flow The app analyzes your sentences and recommends better wording, improved sentence structure, and clearer expressions. This helps make your writing more natural, readable, and engaging. 3. Upload Documents Easily Working with longer content like reports, assignments, or research papers? Simply upload files directly from your device and let the app scan them for grammar errors quickly. 4. No Word Limit Check grammar for short messages or long documents without worrying about restrictions. The app allows unlimited word checks so you can review as much content as you need. 5. Grammar Check History Access previously scanned text anytime through the history section. This feature helps users revisit earlier checks and continue editing their documents whenever needed. 6. Side-by-Side Error Comparison View your original text and corrected version together. The comparison feature highlights the detected errors and their corrections so you can clearly see the improvements and learn from your mistakes. How to Use the App Improving your writing takes only a few steps: - Install the app from the App Store. - Paste your text or upload a file. - Tap the Check Grammar button. - Review the suggested corrections. - Save or revisit your results using the history feature. - Why Use This Grammar Checker? Grammar mistakes are common and sometimes difficult to notice while writing. This AI Grammar Checker helps you refine your text by correcting errors, improving sentence structure, and enhancing readability. Whether you are writing emails, assignments, reports, or everyday content, the app helps you create clearer and more professional writing. Note: In this app user enter 200 to 300 words input for free and check result. For increasing the word limit you should buy a premium plan to increase words limit up to 2000 at same time.. if you face any difficulty please contact us at: appsstudio626@gmail.com Privacy Policy: https://www.freeprivacypolicy.com/live/397f5787-d7f1-45d0-a851-deb630be54ec Terms & conditions: https://appsglobalstudio.blogspot.com/2024/07/terms-of-use.html

Screenshots

Common Error4 screens
AI Grammar Check4 screens

Verdict

The call

The clearest difference is in-app purchases: Common Error at none against AI Grammar Check's 2. Common Error also leads on iOS requirement (7.0 vs 15.6). AI Grammar Check's advantage is update cadence (every 3 weeks vs every 35 months). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. AI Grammar Check sells 2 in-app purchases, starting at $6.99 per month. Common Error asks for nothing beyond the download.

UpkeepUpdate frequency

Common Error ships an update every 35 months, AI Grammar Check every 3 weeks. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

Scorecard3 real differences Β· 3 level
Common Error versus AI Grammar Check: the parameters behind the verdict, then further details
ParameterCommon ErrorAI Grammar Check
PriceFreeFree
Update frequencyEvery 35 monthsEvery 3 weeks β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS7.0 β€” better15.6
Further details β€” not scored
Size7 MB31 MB
Age rating4+4+
DeveloperLe Thi Quynh NyAmina Sehar

In-app purchases

None

Common Error

No in-app purchases

2 purchases

AI Grammar Check

Subscriptions2
  • Monthly$6.991 Month
  • Yearly$28.991 Year

Questions

Is Common Error free?
Common Error is free to download, with no in-app purchases.
Is AI Grammar Check free?
AI Grammar Check is free to download, with in-app purchases available.
Do Common Error or AI Grammar Check have ads?
Neither Common Error nor AI Grammar Check shows ads.
Which is updated more often, Common Error or AI Grammar Check?
Common Error ships an update every 35 months, and AI Grammar Check every 3 weeks. Most recently, Common Error was updated on October 5, 2026 and AI Grammar Check on October 25, 2026.

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