Comparison

11+ Vocab Builder vs arcoco

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

Head to head
About

11+ Vocab Builder

This interactive quiz app helps children expand their vocabulary with over 5000 words and 350 questions across nine topics. It offers detailed test results, progress tracking with interactive charts, and mock tests to prepare for verbal reasoning exams.

Highlights
  • Voice-over support for pronunciation
  • Interactive quiz format
  • Detailed test results and explanations
  • Progress meter with pie chart visualization
  • Mock tests with score tracking
  • Re-attempt incorrect or unattempted questions
  • Customizable test length and feedback
Features
Read full description

Build the wide, precise vocabulary that decides 11+ Verbal Reasoning, English and Reading Comprehension papers. 11+ Vocabulary Builder is a complete vocabulary workout for children sitting Grammar School and Independent School entrance exams with 1,600+ multiple-choice questions across 20 question types. 20 QUESTION TYPES • Alphabetical Order • Anagram Pairs • Antonyms & Antonym Pairs • Synonyms & Synonym Sets • Compound Words • Spelling Errors • Word Out (missing letters) • Word Meanings & Contextual Meaning • Fill the Gap • Homophones & Homonyms • Odd One Out • Word Connections (analogies) • Prefixes & Suffixes • Collocations • Word Forms • Idioms & Phrases • Shades of Meaning STUDY NOTES & LESSONS Every topic comes with built-in study notes — definitions, the knowledge required, how to answer, worked examples and tips. Tap Study before any quiz to learn the technique in plain English. VOICE-OVER PRONUNCIATION Turn on voice over to hear each question and its answers read aloud. Helps with spelling, listening and confident reading — especially for tricky homophones and unfamiliar words. DETAILED RESULTS After each test see correct, incorrect and skipped questions with the time taken on each. Review every question with a short explanation of the answer. PROGRESS METER An interactive pie chart tracks progress for each topic. Tap any segment to re-attempt only the questions you got wrong, never tried, or want to revise. MOCK TESTS 50-question mixed Mock Tests draw randomly from every topic. Past mock-test scores are charted so you can track progress over time. Take as many as you like. iCLOUD SYNC Progress and history sync automatically across iPhone and iPad with iCloud. Pick up exactly where you left off on any device. CUSTOMISABLE • Choose any number of questions per quiz • Toggle instant feedback on or off • Toggle voice over • Reset progress at any time WHY VOCABULARY? Many grammar schools in England use Verbal Reasoning in selection, and many Verbal Reasoning questions test vocabulary directly. A wider vocabulary also lifts Reading Comprehension and Creative Writing marks. NOTE: This is a free version with 120 questions in 3 topics. All 20 topics and 1,600 questions are unlocked with a subscription or a one-off lifetime purchase. * Privacy Policy: http://www.webrichsoftware.com/privacypolicy/ * EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

arcoco

Read full description

Your best words shouldn't arrive after the conversation. arcoco is the English game for saying what you mean with more clarity and confidence. You know the moments. The disagreement where the perfect reply came to you on the drive home. The meeting where you couldn't quite make your point. The friend you wanted to comfort when all you had was "that's tough." arcoco is practice for those moments, played with words worth reaching for. Careful, or meticulous? Honest, or candid? Learn the difference, then choose the word that fits. You already understand far more words than you use. arcoco works on that gap. Words come back for review to help them stick, and the goal is simple: to move a word from "I know what that means" to "I just said that." It plays like a game because it is one. Explore 790 words through pictures, meanings, sentence gaps and puzzles. In Pressure Test, catch the matching words before the piranhas do. In River Runner, steer a boat through the right word gates. More formats open up as you progress. A short self-assessment finds your starting level, then the game adapts as you play. Your Journal keeps the words you practice, with their meanings and their progress from new to mastered. Already comfortable in English? Build the range to be candid when honesty matters, tactful when feelings do, and succinct when every word counts. Play 3 free games a day in your first week, then 2 a day for as long as you like. No account or purchase required. No ads. Want more? arcoco Plus is optional. It adds unlimited games and the Streak Shield: five streak freezes for missed days, topped back up to five every 30 days while Plus is active. Monthly and annual subscriptions renew automatically unless canceled. Lifetime is a one-time purchase. Play your first free game. Find a word for something you've been trying to say. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.arcocoapp.com/privacy

Screenshots

11+ Vocab Builder4 screens
arcoco4 screens

Verdict

The call

The clearest difference is ads: 11+ Vocab Builder at none against arcoco's shown. 11+ Vocab Builder also leads on device support (4 vs 1) and iOS requirement (16 vs 18.6). On price, update cadence and in-app purchases 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. 11+ Vocab Builder sells 5 in-app purchases, starting at $4.99 per month and arcoco sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

11+ Vocab Builder ships an update every 5 weeks, arcoco every 2 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
11+ Vocab Builder versus arcoco: the parameters behind the verdict, then further details
Parameter11+ Vocab Builderarcoco
PriceFreeFree
Rating4.9 (7 ratings) — better—
Positive reviews41.7% of reviews—
Number of ratings7 — better—
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS16 — better18.6
Further details — not scored
Size30 MB133 MB
Age rating4+9+
DeveloperWebrich Software LimitedARCOCO LTD

In-app purchases

5 purchases

11+ Vocab Builder

Subscriptions4
  • Full Question Bank$4.991 Month
  • Full Question Bank$9.993 Months
  • Full Question Bank$14.996 Months
Show 1 more
  • Full Question Bank$19.991 Year
One-time1
  • Lifetime Access$29.99
2 purchases

arcoco

Subscriptions2
  • arcoco Plus Monthly$6.991 Month
  • arcoco Plus Annual7 Days trial$39.991 Year

Questions

Is 11+ Vocab Builder free?
11+ Vocab Builder is free to download, with in-app purchases available.
Is arcoco free?
arcoco is free to download, with in-app purchases available.
Do 11+ Vocab Builder or arcoco have ads?
arcoco shows ads; 11+ Vocab Builder does not.
Which is updated more often, 11+ Vocab Builder or arcoco?
11+ Vocab Builder ships an update every 5 weeks, and arcoco every 2 months. Most recently, 11+ Vocab Builder was updated on November 1, 2026 and arcoco on October 30, 2026.

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