Comparison

Vocabulary Builder by Knudge vs DAV_SADHAURA

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

Head to head
About

Vocabulary Builder by Knudge

Learn and improve English effectively through engaging courses and games. Build vocabulary, master idioms, phrasal verbs, and commonly confused words. Enhance reading, writing, and speaking skills with scientific algorithms and expert-curated content.

Highlights
  • Vocabulary builder courses (Easy, Intermediate, Advanced)
  • Learn English idioms
  • Master phrasal verbs
  • Understand commonly confused words
  • Interactive vocabulary games
  • Improve reading, writing, and speaking skills
  • Grammar refinement games
Features
Read full description

Build a bigger, sharper vocabulary in just 5 minutes a day. Knudge helps you learn new words, remember them for good, and actually use them - with smart flashcards, word games, and spaced repetition trusted by millions of learners since 2016. Most people forget new words within days. Knudge is built around the science of memory: spaced repetition and adaptive review resurface each word right before you'd forget it, so your vocabulary sticks for the long term - not just until the test. WHO IT'S FOR - Students prepping for the GRE, SAT, GMAT, TOEFL or IELTS - Professionals who want to write and speak with more precision - Anyone who loves words and wants to sound more articulate and confident HOW IT WORKS - Learn hand-picked words with clear definitions, example sentences, synonyms, antonyms and visual cues - Lock them in with adaptive flashcards and personalized revision tests - Play quick word games that make practice feel like a break, not a chore - Get words delivered through notifications at a frequency that suits you every day. This spaced repetition technique helps in building long-term memory. WHAT'S INSIDE - Curated word lists from everyday English to advanced, exam-level vocabulary - Courses on idioms, phrasal verbs and commonly confused words - 10+ word games spanning reading, spelling, comprehension and grammar - Audio pronunciations and a progress tracker to keep your streak alive WHY KNUDGE - Nearly 10 years refining how people learn words — millions of learners and counting - Bite-sized 5-minute sessions designed to fit a real day - Learn on the go, online or offline Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Start free and build a vocabulary you'll actually use.

About

DAV_SADHAURA

Features
Read full description

DAV School Sadhaura in association with Global Online Solution (http://www.globalonlinesolution.com) launched Web and Mobile app for schools. This panel is accessible 24*7, and is completely user-friendly for Students, Parents and School Staff. Parent app to view all school activity related to their ward. Online Test, Assignment submission, daily Attendance, academic records, Circular, syllabus, assignments Homework, News, Result, Fee, Activity Calendar, Gallery etc. everything is now available on mobile app. Parents can submit online leave application, feedback and communicate with teachers. Parents/students can view and download activity calendar, circulars, assignments, transport details, time table, syllabus, & question bank. This application for Parents, School Admin, Teacher, Principal, Library, Fees in-charge, Account Department, Reception, Driver, HR of the school to maintain all school activity

Screenshots

Vocabulary Builder by Knudge4 screens
DAV_SADHAURA4 screens

Verdict

The call

The clearest difference is in-app purchases: DAV_SADHAURA at none against Vocabulary Builder by Knudge's 10. Vocabulary Builder by Knudge's advantage is update cadence (monthly vs every 20 months). On price, ads, device support and iOS requirement 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. Vocabulary Builder by Knudge sells 10 in-app purchases, starting at $9.99 per month. DAV_SADHAURA asks for nothing beyond the download.

UpkeepUpdate frequency

Vocabulary Builder by Knudge ships an update monthly, DAV_SADHAURA every 20 months. The most recent releases landed on October 29, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
Vocabulary Builder by Knudge versus DAV_SADHAURA: the parameters behind the verdict, then further details
ParameterVocabulary Builder by KnudgeDAV_SADHAURA
PriceFreeFree
Rating4.7 (1.7K ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings1.7K — better—
Update frequencyMonthly — betterEvery 20 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size93 MB10 MB
Age rating9+4+
DeveloperKnudge Technology Private LimitedAbhay Walia

Bugs and requests

Vocabulary Builder by Knudge

Reported bugs

3 issues
  • Prepositions mini course not working properly
  • Vocabulary builder not displaying explanation pictures
  • Quiz feature not advancing to next screen

Requested features

4 requests
  • More practice problems for math section
  • Reset progress option for free users
  • Pronunciation feature for words
  • Support for more languages

DAV_SADHAURA

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Vocabulary Builder by Knudge

Subscriptions3
  • Knudge-English Vocabulary(Monthly)$9.991 Month
  • Quarterly Subscription3 Days trial$19.993 Months
  • Knudge- English Vocabulary(Yearly)3 Days trial$34.991 Year
One-time7
  • Ratio and Proportion$0.99
  • Proverbs$0.99
  • Pronouns$0.99
Show 4 more
  • Lifetime Membership$1.99
  • Knudge.me Pro$4.99
  • Knudge Pro Lifetime Membership$8.99
  • Knudge Pro Lifetime Membership$19.99
None

DAV_SADHAURA

No in-app purchases

Questions

Is Vocabulary Builder by Knudge free?
Vocabulary Builder by Knudge is free to download, with in-app purchases available.
Is DAV_SADHAURA free?
DAV_SADHAURA is free to download, with no in-app purchases.
Do Vocabulary Builder by Knudge or DAV_SADHAURA have ads?
Neither Vocabulary Builder by Knudge nor DAV_SADHAURA shows ads.
Which is updated more often, Vocabulary Builder by Knudge or DAV_SADHAURA?
Vocabulary Builder by Knudge ships an update monthly, and DAV_SADHAURA every 20 months. Most recently, Vocabulary Builder by Knudge was updated on October 29, 2026 and DAV_SADHAURA on October 2, 2026.

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