Comparison

vokab.org vs NudgeMath

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

Head to head
About

vokab.org

This app offers a vast collection of over 4900 unique vocabulary words across 35+ languages to help language learners achieve a higher level of fluency. Practice pronunciation and test your knowledge with interactive flashcards.

Highlights
  • 4900+ unique vocabulary words
  • 35+ languages supported
  • Quality-checked translations
  • Pronunciation audio
  • Interactive flashcards
  • Student-led initiative
Read full description

Vokab is a free and multilingual vocabulary software, designed to aid language-learning students across the world. Take advantage of over 4900 unique and relevant words, quality checked and tagged for the most accurate translation in 35+ different languages. Learn: • English • Tamil • Telugu • Malayalam • Kannada • Hindi • Punjabi • Urdu • Bengali • Marathi • Gujarati • Spanish • French • Amharic • Chinese (Simplified) • Chinese (Traditional) • Czech • Indonesian • Japanese • Korean • Persian • Russian • Swahili • Thai • Turkish • Latin • Italian • Portuguese • Romanian • German • Dutch • Swedish • Norwegian • Danish • Arabic • Welsh Click on words to hear their pronunciation and practice your knowledge with our flashcards. Vokab is a student-led initiative dedicated to bringing a large and high-quality set of vocabulary words to the language learners of the world. By mastering niche vocabulary only native speakers would know, language learners have the opportunity to reach a new level of mastery and break down the language barriers that separate us today.

About

NudgeMath

This app provides step-by-step math practice for students in grades 4-6, aligning with major educational curricula. It offers interactive tools and just-in-time hints to foster deep understanding and independent problem-solving.

Highlights
  • Step-by-step math problem solving
  • Aligned with Common Core, CBSE, ICSE, Cambridge
  • Visual and interactive math tools
  • Just-in-time hints and feedback
  • Progress reports for parents and teachers
  • Complete topic coverage for grades 4-6
Features
Read full description

NudgeMath is a step-by-step math practice app for Grades 4 to 6. Aligned with Common Core, CBSE, ICSE, and Cambridge syllabi, NudgeMath helps students truly understand and solve math problems — one step at a time. Unlike typical apps filled with multiple-choice questions, NudgeMath mimics the experience of solving problems on paper. Students solve independently, with just-in-time hints and feedback when needed — no spoon-feeding, no getting stuck. What Makes NudgeMath Unique - Fully Aligned Curriculum We offer complete coverage of all topics in: Common Core (Grades 4 & 5) CBSE, ICSE, and Cambridge (Grades 4 & 5) CBSE (Grade 6 only) From number operations and place value to fractions, long division, geometry, and measurement — NudgeMath ensures deep, meaningful practice. - Step-by-Step Guidance Students are guided through the process, not just the final answer. Whether it's drawing angles, solving long division, comparing decimals, or tackling word problems, NudgeMath encourages real thinking with support at the right moment. - Visual and Interactive Tools Fractions, angles, line plots, symmetry lines — NudgeMath makes abstract math concrete. With virtual protractors, shaded grids, clocks, and more, students explore math visually and hands-on. - Smart Hints and Feedback Hints and feedback appear only when needed. Students get just the right amount of help to stay on track — learning through correction, not repetition. For Schools & Parents For Schools Track classroom performance with teacher dashboards and reports. See class-wide trends or drill down to individual student progress. Ideal for classwork or homework. For Parents Stay informed with topic-wise reports. Know your child’s strengths, discover gaps, and support them confidently through their math journey. Key Features: - Complete topic coverage for Grades 4–6 - Aligned with Common Core, CBSE, ICSE & Cambridge - Step-by-step problem solving — not just MCQs - Visual tools: protractors, number lines, fraction bars, etc. - Instant feedback and built-in hints - Progress reports for parents - School-wide reports for teachers - Works on tablets and phones

Screenshots

vokab.org4 screens
NudgeMath4 screens

Verdict

The call

The clearest difference is rating: vokab.org at 5.0 against NudgeMath's 4.0. vokab.org also leads on iOS requirement (13.4 vs 15.6). NudgeMath's advantage is update cadence (every 3 weeks vs every 2 months). On price, review sentiment, ratings volume and ads 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.

ReceptionRating · Positive reviews · Number of ratings

vokab.org holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

vokab.org ships an update every 2 months, NudgeMath every 3 weeks. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

Scorecard3 real differences · 7 level
vokab.org versus NudgeMath: the parameters behind the verdict, then further details
Parametervokab.orgNudgeMath
PriceFreeFree
Rating5.0 (2 ratings) — better4.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.4 — better15.6
Further details — not scored
Size25 MB105 MB
Age rating4+4+
DeveloperUYIRMAI FOUNDATIONPadma Pichumani

Customer experience

vokab.org

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

NudgeMath

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

vokab.org

No in-app purchases

None

NudgeMath

No in-app purchases

Questions

Is vokab.org free?
vokab.org is free to download, with no in-app purchases.
Is NudgeMath free?
NudgeMath is free to download, with no in-app purchases.
Which has better reviews, vokab.org or NudgeMath?
vokab.org is rated higher. vokab.org averages 5.0 out of 5 from 2 ratings, while NudgeMath averages 4.0 from 1 ratings.
Do vokab.org or NudgeMath have ads?
Neither vokab.org nor NudgeMath shows ads.
Which is updated more often, vokab.org or NudgeMath?
vokab.org ships an update every 2 months, and NudgeMath every 3 weeks. Most recently, vokab.org was updated on September 10, 2026 and NudgeMath on June 1, 2026.

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