Vocabulary Builder by Knudge
Learn Words, Flashcards, Games
| Annual · 3 days trial | 175 | $4.19 – $47.57 | 29.4% | |
| Monthly | 175 | $1.36 – $14.24 | 19.9% | |
| One-time purchase | 175 | $17.63 – $31.63 | 18.2% | |
| 3 months · 3 days trial | 175 | $2.72 – $26.94 | 9.0% | |
| One-time purchase | 21 | $4.84 – $7.88 | 8.9% | |
| One-time purchase | 175 | $8.24 – $12.67 | 5.1% | |
| One-time purchase | 3 | $1.99 – $2.68 | 4.7% | |
| One-time purchase | 175 | $0.71 – $1.58 | 2.8% | |
| One-time purchase | 175 | $0.71 – $1.58 | 1.4% | |
| One-time purchase | 175 | $0.71 – $1.58 | 0.6% | |
| One-time purchase | 172 | $0.71 – $1.58 | 0.2% | |
| One-time purchase | 154 | $0.71 – $1.45 | 0.0% |
| Top grossing products | ||
|---|---|---|
| India | 28%2,091 | |
| United States | 23%1,742 | |
| Philippines | 4%281 | |
| Canada | 3%231 | |
| United Kingdom | 3%220 | |
| Vietnam | 2%181 | |
| Pakistan | 2%179 | |
| Nigeria | 2%133 | |
| Turkey | 2%126 | |
| Australia | 2%122 | |
| Brazil | 2%118 | |
| Malaysia | 2%114 | |
| South Africa | 1%111 | |
| Indonesia | 1%90 | Too few reviews here for the split to mean anything |
| United Arab Emirates | 1%83 | Too few reviews here for the split to mean anything |
| Thailand | 1%81 | Too few reviews here for the split to mean anything |
| Ghana | 1%76 | Too few reviews here for the split to mean anything |
| Sri Lanka | <1%73 | Too few reviews here for the split to mean anything |
| Saudi Arabia | <1%61 | Too few reviews here for the split to mean anything |
| Mexico | <1%60 | Too few reviews here for the split to mean anything |
| Russia | <1%58 | Too few reviews here for the split to mean anything |
| Spain | <1%57 | Too few reviews here for the split to mean anything |
| Singapore | <1%53 | Too few reviews here for the split to mean anything |
| Italy | <1%44 | Too few reviews here for the split to mean anything |
| France | <1%43 | Too few reviews here for the split to mean anything |
| Ukraine | <1%40 | Too few reviews here for the split to mean anything |
| Egypt | <1%40 | Too few reviews here for the split to mean anything |
| Nepal | <1%39 | Too few reviews here for the split to mean anything |
| Germany | <1%37 | Too few reviews here for the split to mean anything |
| Colombia | <1%36 | Too few reviews here for the split to mean anything |
| Croatia | <1%33 | Too few reviews here for the split to mean anything |
| Lithuania | <1%32 | Too few reviews here for the split to mean anything |
| Japan | <1%30 | Too few reviews here for the split to mean anything |
| China | <1%28 | Too few reviews here for the split to mean anything |
| Kenya | <1%27 | Too few reviews here for the split to mean anything |
| Taiwan | <1%27 | Too few reviews here for the split to mean anything |
| Poland | <1%27 | Too few reviews here for the split to mean anything |
| Portugal | <1%27 | Too few reviews here for the split to mean anything |
| Hong Kong | <1%27 | Too few reviews here for the split to mean anything |
| Jamaica | <1%26 | Too few reviews here for the split to mean anything |
| Chile | <1%26 | Too few reviews here for the split to mean anything |
| Mongolia | <1%25 | Too few reviews here for the split to mean anything |
| New Zealand | <1%22 | Too few reviews here for the split to mean anything |
| Netherlands | <1%20 | Too few reviews here for the split to mean anything |
| Ireland | <1%20 | Too few reviews here for the split to mean anything |
| Hungary | <1%19 | Too few reviews here for the split to mean anything |
| Slovakia | <1%19 | Too few reviews here for the split to mean anything |
| Kuwait | <1%18 | Too few reviews here for the split to mean anything |
| Qatar | <1%17 | Too few reviews here for the split to mean anything |
| Romania | <1%17 | Too few reviews here for the split to mean anything |
| Sweden | <1%16 | Too few reviews here for the split to mean anything |
| Switzerland | <1%15 | Too few reviews here for the split to mean anything |
| Czech Republic | <1%15 | Too few reviews here for the split to mean anything |
| Argentina | <1%15 | Too few reviews here for the split to mean anything |
| Peru | <1%14 | Too few reviews here for the split to mean anything |
| Israel | <1%14 | Too few reviews here for the split to mean anything |
| Dominican Republic | <1%13 | Too few reviews here for the split to mean anything |
| South Korea | <1%11 | Too few reviews here for the split to mean anything |
| Bulgaria | <1%11 | Too few reviews here for the split to mean anything |
| Cambodia | <1%11 | Too few reviews here for the split to mean anything |
| Lebanon | <1%11 | Too few reviews here for the split to mean anything |
| Costa Rica | <1%11 | Too few reviews here for the split to mean anything |
| Kazakhstan | <1%11 | Too few reviews here for the split to mean anything |
| Cyprus | <1%10 | Too few reviews here for the split to mean anything |
| Greece | <1%10 | Too few reviews here for the split to mean anything |
| Bahrain | <1%10 | Too few reviews here for the split to mean anything |
| Albania | <1%10 | Too few reviews here for the split to mean anything |
| Austria | <1%9 | Too few reviews here for the split to mean anything |
| Uganda | <1%9 | Too few reviews here for the split to mean anything |
| Trinidad and Tobago | <1%9 | Too few reviews here for the split to mean anything |
| Azerbaijan | <1%8 | Too few reviews here for the split to mean anything |
| Angola | <1%8 | Too few reviews here for the split to mean anything |
| Serbia | <1%8 | Too few reviews here for the split to mean anything |
| Estonia | <1%8 | Too few reviews here for the split to mean anything |
| Ecuador | <1%8 | Too few reviews here for the split to mean anything |
| Algeria | <1%8 | Too few reviews here for the split to mean anything |
| Zimbabwe | <1%7 | Too few reviews here for the split to mean anything |
| Norway | <1%7 | Too few reviews here for the split to mean anything |
| Finland | <1%7 | Too few reviews here for the split to mean anything |
| Oman | <1%7 | Too few reviews here for the split to mean anything |
| Uzbekistan | <1%7 | Too few reviews here for the split to mean anything |
| Belgium | <1%7 | Too few reviews here for the split to mean anything |
| Zambia | <1%6 | Too few reviews here for the split to mean anything |
| Jordan | <1%6 | Too few reviews here for the split to mean anything |
| Belarus | <1%6 | Too few reviews here for the split to mean anything |
| Latvia | <1%6 | Too few reviews here for the split to mean anything |
| Slovenia | <1%6 | Too few reviews here for the split to mean anything |
| Armenia | <1%5 | Too few reviews here for the split to mean anything |
| Denmark | <1%5 | Too few reviews here for the split to mean anything |
| Tanzania | <1%5 | Too few reviews here for the split to mean anything |
| Namibia | <1%4 | Too few reviews here for the split to mean anything |
| Honduras | <1%4 | Too few reviews here for the split to mean anything |
| Guatemala | <1%4 | Too few reviews here for the split to mean anything |
| Georgia | <1%4 | Too few reviews here for the split to mean anything |
| Myanmar | <1%4 | Too few reviews here for the split to mean anything |
| Morocco | <1%4 | Too few reviews here for the split to mean anything |
| Fiji | <1%3 | Too few reviews here for the split to mean anything |
| Senegal | <1%3 | Too few reviews here for the split to mean anything |
| Moldova | <1%3 | Too few reviews here for the split to mean anything |
| El Salvador | <1%3 | Too few reviews here for the split to mean anything |
| Tajikistan | <1%3 | Too few reviews here for the split to mean anything |
| Tunisia | <1%3 | Too few reviews here for the split to mean anything |
| Bosnia & Herzegovina | <1%3 | Too few reviews here for the split to mean anything |
| Grenada | <1%3 | Too few reviews here for the split to mean anything |
| Panama | <1%3 | Too few reviews here for the split to mean anything |
| Mozambique | <1%3 | Too few reviews here for the split to mean anything |
| Sierra Leone | <1%2 | Too few reviews here for the split to mean anything |
| Macao | <1%2 | Too few reviews here for the split to mean anything |
| Bolivia | <1%2 | Too few reviews here for the split to mean anything |
| Rwanda | <1%2 | Too few reviews here for the split to mean anything |
| Malta | <1%2 | Too few reviews here for the split to mean anything |
| Gambia | <1%2 | Too few reviews here for the split to mean anything |
| Uruguay | <1%2 | Too few reviews here for the split to mean anything |
| Iceland | <1%2 | Too few reviews here for the split to mean anything |
| Venezuela | <1%2 | Too few reviews here for the split to mean anything |
| Montenegro | <1%2 | Too few reviews here for the split to mean anything |
| St. Lucia | <1%1 | Too few reviews here for the split to mean anything |
| Botswana | <1%1 | Too few reviews here for the split to mean anything |
| Afghanistan | <1%1 | Too few reviews here for the split to mean anything |
| Kyrgyzstan | <1%1 | Too few reviews here for the split to mean anything |
| Dominica | <1%1 | Too few reviews here for the split to mean anything |
| St. Kitts and Nevis | <1%1 | Too few reviews here for the split to mean anything |
| Cayman Islands | <1%1 | Too few reviews here for the split to mean anything |
| Guyana | <1%1 | Too few reviews here for the split to mean anything |
| Barbados | <1%1 | Too few reviews here for the split to mean anything |
| Burkina Faso | <1%1 | Too few reviews here for the split to mean anything |
| Maldives | <1%1 | Too few reviews here for the split to mean anything |
| Cote Divoire | <1%1 | Too few reviews here for the split to mean anything |
| Benin | <1%1 | Too few reviews here for the split to mean anything |
| Luxembourg | <1%1 | Too few reviews here for the split to mean anything |
| Mauritania | <1%1 | Too few reviews here for the split to mean anything |
| Congo, Democratic Republic | <1%1 | Too few reviews here for the split to mean anything |
| Bhutan | <1%1 | Too few reviews here for the split to mean anything |
| Mauritius | <1%1 | Too few reviews here for the split to mean anything |
| Nicaragua | <1%0 | Too few reviews here for the split to mean anything |
| Cameroon | <1%0 | Too few reviews here for the split to mean anything |
| Belize | <1%0 | Too few reviews here for the split to mean anything |
| Solomon Islands | <1%0 | Too few reviews here for the split to mean anything |
| Seychelles | <1%0 | Too few reviews here for the split to mean anything |
| Bahamas | <1%0 | Too few reviews here for the split to mean anything |
| Paraguay | <1%0 | Too few reviews here for the split to mean anything |
| Mali | <1%0 | Too few reviews here for the split to mean anything |
| Brunei Darussalam | <1%0 | Too few reviews here for the split to mean anything |
| Macedonia | <1%0 | Too few reviews here for the split to mean anything |
| Madagascar | <1%0 | Too few reviews here for the split to mean anything |
| Suriname | <1%0 | Too few reviews here for the split to mean anything |
| Sao Tome & Principe | <1%0 | Too few reviews here for the split to mean anything |
| Libya | <1%0 | Too few reviews here for the split to mean anything |
| Swaziland | <1%0 | Too few reviews here for the split to mean anything |
| Turks and Caicos | <1%0 | Too few reviews here for the split to mean anything |
| Chad | <1%0 | Too few reviews here for the split to mean anything |
| Bermuda | <1%0 | Too few reviews here for the split to mean anything |
| Palau | <1%0 | Too few reviews here for the split to mean anything |
| Turkmenistan | <1%0 | Too few reviews here for the split to mean anything |
| Liberia | <1%0 | Too few reviews here for the split to mean anything |
| Tonga | <1%0 | Too few reviews here for the split to mean anything |
| Congo | <1%0 | Too few reviews here for the split to mean anything |
| Cape Verde | <1%0 | Too few reviews here for the split to mean anything |
| Guinea-bissau | <1%0 | Too few reviews here for the split to mean anything |
| Lao Peoples Democratic Republic | <1%0 | Too few reviews here for the split to mean anything |
| Papua New Guinea | <1%0 | Too few reviews here for the split to mean anything |
| Malawi | <1%0 | Too few reviews here for the split to mean anything |
| Gabon | <1%0 | Too few reviews here for the split to mean anything |
| Iraq | <1%0 | Too few reviews here for the split to mean anything |
| Niger | <1%0 | Too few reviews here for the split to mean anything |
| St. Vincent & The Grenadines | <1%0 | Too few reviews here for the split to mean anything |
| Nauru | <1%0 | Too few reviews here for the split to mean anything |
| British Virgin Islands | <1%0 | Too few reviews here for the split to mean anything |
| Anguilla | <1%0 | Too few reviews here for the split to mean anything |
| Vanuatu | <1%0 | Too few reviews here for the split to mean anything |
| Kosovo | <1%0 | Too few reviews here for the split to mean anything |
| Yemen | <1%0 | Too few reviews here for the split to mean anything |
| Antigua And Barbuda | <1%0 | Too few reviews here for the split to mean anything |
| Micronesia | <1%0 | Too few reviews here for the split to mean anything |
| Montserrat | <1%0 | Too few reviews here for the split to mean anything |
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.