Comparison

VocabTrain vs RIKU

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

Head to head
About

VocabTrain

Features
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Vocab Train is your personal vocabulary trainer with seven varied learning modes that adapts to your learning progress. SEVEN LEARNING MODES β€’ Flashcards – Classic flipping with swipe gestures β€’ Quiz – Multiple choice with timer and automatic advancing β€’ Matching – Find the correct pairs against the clock β€’ Listening – Train your listening comprehension with audio β€’ Writing – Type the correct translation β€’ Dictation – Listen and write what you hear β€’ Word Search – Find translation words hidden in a letter grid INTELLIGENT LEVEL SYSTEM Each card progresses through several levels. Correct answers increase the level, incorrect ones reset it. This way, you automatically focus on the vocabulary you haven't yet mastered. FLEXIBLE & ORGANIZED β€’ Create bilingual decks with any language combination β€’ Organize decks into folders and categories β€’ Import and export cards via CSV or JSON β€’ Mark favorites and pin important cards PROGRESS AT A GLANCE β€’ Detailed statistics per deck β€’ Home screen widgets for progress and overview β€’ Study reminders VOICE OUTPUT β€’ Text-to-speech for question and answer pages β€’ Individual TTS settings per language and card VOCAB TRAIN PRO Unlock additional learning modes (Quiz, Matching, Listening, Dictation, Word Search), access the archive, automatic translation, PDF export, reminders, and automatic backups. The app works completely offline – your data stays on your device.

About

RIKU

Features
Read full description

VocaSnap turns any vocabulary page from your school textbook into a learning game β€” in under a minute. How it works: 1. Take a photo of your vocabulary page. 2. Riku, your red panda, reads every word β€” with the exact translation from YOUR textbook. 3. Learn in five free game modes: Tile Flip, Multiple Choice, Write It!, Speak It!, and FindIt! Why Riku is different: β€’ EXACT TEXTBOOK TRANSLATION. Other apps show "run = run, jog, sprint, rush". Riku shows what's in YOUR book. Don't accidentally memorize the wrong translation for the test. β€’ NO TYPING. Take a photo β€” Riku does the rest. β€’ FIVE FREE GAME MODES. Tap, speak, guess, flip β€” choose how you want to learn. β€’ STREAK & XP. A daily mini-session, and Riku celebrates with you. β€’ PUSH REMINDERS. Three days before the test, Riku starts to fidget. Riku Premium (optional subscription): Riku Premium lets you learn without limits: unlimited books & snaps, two extra games (Letter Salad & Crossword), advanced test statistics, streak-freeze coins, and completely ad-free. β€’ Riku Premium – Monthly: EUR 1.99 per month β€’ Riku Premium – Yearly: EUR 14.99 per year This is an auto-renewable subscription. Payment is charged to your Apple Account at confirmation of purchase. The subscription automatically renews for the same period unless it is cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your Apple Account settings. Terms of Use (EULA): https://vocasnap.app/agb.html Privacy Policy: https://vocasnap.app/datenschutz.html For whom? Students aged 10 and up. English, French, Spanish, Italian, Latin. Privacy: Riku is a pure learning app. No ads. No third-party tracking. For users under 16, parental consent is required β€” as the law demands. All our servers are in Frankfurt, Germany.

Screenshots

VocabTrain4 screens
RIKU4 screens

Verdict

The call

The clearest difference is update cadence: VocabTrain at every 2 days against RIKU's every 2 weeks. RIKU's advantage is iOS requirement (17.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. VocabTrain sells 5 one-off in-app purchases and RIKU sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

VocabTrain ships an update every 2 days, RIKU every 2 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

Scorecard2 real differences Β· 4 level
VocabTrain versus RIKU: the parameters behind the verdict, then further details
ParameterVocabTrainRIKU
PriceFreeFree
Update frequencyEvery 2 days β€” betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad β€” betteriPhone
Requires iOS26.217.0 β€” better
Further details β€” not scored
Size6 MB35 MB
Age rating4+9+
DeveloperAndreas GraufMartin Klaus

In-app purchases

5 purchases

VocabTrain

One-time5
  • 250 Card Pack$0.99
  • 500 Card Pack$1.99
  • 750 Card Pack$2.99
Show 2 more
  • Vocab Train Pro$3.99
  • 1000 Card Pack$3.99
2 purchases

RIKU

Subscriptions2
  • Riku Premium monatlich$1.991 Month
  • Riku Premium jΓ€hrlich$12.991 Year

Questions

Is VocabTrain free?
VocabTrain is free to download, with in-app purchases available.
Is RIKU free?
RIKU is free to download, with in-app purchases available.
Do VocabTrain or RIKU have ads?
Neither VocabTrain nor RIKU shows ads.
Which is updated more often, VocabTrain or RIKU?
VocabTrain ships an update every 2 days, and RIKU every 2 weeks. Most recently, VocabTrain was updated on November 9, 2026 and RIKU on November 5, 2026.

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