Comparison

Common Error vs Nivasity

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

Head to head
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

Nivasity

Features
Read full description

Nivasity is the easiest way to get your course materials and pay for them, all from your phone. Fund your Nivasity wallet by bank transfer, buy the materials your department needs, and get a receipt the moment you pay. No queues, no lost slips. WHAT YOU CAN DO • Shop course materials for your department and level • Pay from your wallet with a quick, secure PIN • Fund your wallet anytime from your own bank account number • Send money to course mates in seconds • Pay for your course mates' materials in one go with Bulk Pay • Get a receipt for every purchase, ready to share or save • Track every order and wallet transaction in one place • Ask for a material that isn't in the store yet • Get school announcements, alerts and push notifications • Chat with support and follow your tickets in the app • Use light or dark mode, whichever you prefer BUILT FOR STUDENTS Nivasity works with your school, so the materials you see are the ones your lecturers actually listed. Your wallet, orders and receipts stay with your account wherever you sign in. Simple, fast and secure: Nivasity takes care of your course materials so you can focus on your studies.

Screenshots

Common Error4 screens
Nivasity4 screens

Verdict

The call

The clearest difference is update cadence: Nivasity at every 5 months against Common Error's every 35 months. Common Error's advantage is iOS requirement (7.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· 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, Nivasity every 5 months. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Common Error versus Nivasity: the parameters behind the verdict, then further details
ParameterCommon ErrorNivasity
PriceFreeFree
Update frequencyEvery 35 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS7.0 — better16.4
Further details — not scored
Size7 MB41 MB
Age rating4+4+
DeveloperLe Thi Quynh NySannex Tech Ltd

In-app purchases

None

Common Error

No in-app purchases

None

Nivasity

No in-app purchases

Questions

Is Common Error free?
Common Error is free to download, with no in-app purchases.
Is Nivasity free?
Nivasity is free to download, with no in-app purchases.
Do Common Error or Nivasity have ads?
Neither Common Error nor Nivasity shows ads.
Which is updated more often, Common Error or Nivasity?
Common Error ships an update every 35 months, and Nivasity every 5 months. Most recently, Common Error was updated on November 11, 2026 and Nivasity on November 5, 2026.

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