Comparison

Study Quest vs Coban

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

Head to head
About

Study Quest

Embark on an epic quest to master languages by battling monsters and casting spells. Create a hero, use interactive flashcards, and compete with friends to boost motivation and retention. This app supports multiple languages and is suitable for all skill levels.

Highlights
  • Hero creation and customization
  • Interactive flashcard books
  • Gem-matching spell casting
  • Monster battles in vibrant worlds
  • Co-op and competitive multiplayer
  • Smart algorithm for retention
Features
Read full description

Create a hero and embark on an epic quest of language mastery! Supported languages: English · French · German · Italian · Japanese · Korean · Spanish ...with more coming soon! - Create your own, or discover official and community created books of interactive flashcards. - Match gems then answer questions to turn them into powerful spells. - Battle monsters across a host of beautiful, vibrant worlds. - Co-operate and compete with friends to boost your motivation. - Flashcards are scheduled by smart algorithms, proven to ensure maximum retention. Centre your studies around the app, or use it as an aid in tandem with other courses. Whatever your experience and skill level, Study Quest is an essential part of your language learning toolkit!

About

Coban

This app offers comprehensive support for learning Japanese, covering everything from basic characters to advanced grammar and vocabulary. It includes audio pronunciations, diverse learning modes like flashcards and exercises, and content tailored for all proficiency levels, from beginner to advanced.

Highlights
  • Hiragana, katakana, kanji, and vocabulary
  • JLPT N5-N3 grammar coverage
  • Audio pronunciation for all content
  • Flashcards and practice exercises
  • Shadowing and dictation exercises
  • Japanese stories and cultural readings
  • Advanced podcasts for N2/N1 learners
Features
Read full description

Learn Japanese from hiragana to JLPT N1 with structured lessons for vocabulary, kanji, grammar, listening, reading, and review — all in one app. Coban is designed for learners who want to understand Japanese, not simply memorize it. Learn grammar and vocabulary in context, recognize patterns, and build the skills you need to understand and use Japanese naturally. — STUDY FROM N5 TO N1 Follow a structured learning path from beginner Japanese to advanced JLPT content. • 7,500+ vocabulary words • 2,100+ kanji • 490+ grammar points • 2,500+ example sentences • JLPT N5, N4, N3, N2, and N1 content — LEARN WITH AUDIO More than 12,000 audio recordings help you connect written Japanese with natural pronunciation. Listen to vocabulary and example sentences, practice shadowing, and strengthen your listening comprehension as you study. — REVIEW WHAT YOU LEARN Use quizzes and SRS review to reinforce vocabulary, kanji, and grammar and focus your study on what you need to remember. — STUDY JAPANESE OFFLINE Coban’s learning content is stored on your device, so you can continue studying even without an internet connection. — BUILT FOR REAL JAPANESE Coban goes beyond JLPT test preparation. Lessons are designed to help you see how Japanese works in context so you can apply what you learn to reading, listening, conversation, and everyday communication. Whether you are just starting Japanese or working toward JLPT N1, Coban gives you a complete Japanese study library you can keep using as your skills grow.

Screenshots

Study Quest4 screens
Coban4 screens

Verdict

The call

The clearest difference is rating: Coban at 4.8 against Study Quest's 4.1. Coban also leads on update cadence (weekly vs monthly) and ratings volume (620 vs 18). Study Quest's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.0). On price, in-app purchases, monetization model and device support 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. Study Quest sells 3 one-off in-app purchases and Coban sells 5 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Coban holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Coban has 620 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 65% of Study Quest's written reviews are positive against 81% of Coban's.

UpkeepUpdate frequency

Study Quest ships an update monthly, Coban weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Study Quest versus Coban: the parameters behind the verdict, then further details
ParameterStudy QuestCoban
PriceFreeFree
Rating4.1 (18 ratings)4.8 (620 ratings) — better
Positive reviews64.7% of reviews80.7% of reviews — better
Number of ratings18620 — better
Update frequencyMonthlyWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size67 MB661 MB
Age rating4+4+
DeveloperFuturetro StudiosAkira NOGUCHI

Customer experience

Study Quest

All ratings18 ratings
Positive72.2%
Neutral11.1%
Negative16.7%
Written reviews17 reviews
Positive64.7%
Neutral23.5%
Negative11.8%

Coban

All ratings619 ratings
Positive95.6%
Neutral2.7%
Negative1.6%
Written reviews88 reviews
Positive80.7%
Neutral12.5%
Negative6.8%

Bugs and requests

Study Quest

Not enough reviews yet to summarise bugs or requests.

Coban

Reported bugs

3 issues
  • Drag and drop feature not working
  • Crashes after completing quizzes
  • Vocabulary lessons causing the app to freeze

Requested features

4 requests
  • Expand to higher JLPT levels (N3, N2, N1)
  • Add a placement test to determine user's level
  • Improve vocabulary practice and review options
  • Offer an ad-free version for a one-time purchase

In-app purchases

3 purchases

Study Quest

One-time3
  • Pile of Oins$0.99
  • Bag of Oins$1.99
  • Chest of Oins$2.99
5 purchases

Coban

Subscriptions3
  • Premium User$6.991 Month
  • Premium User$39.906 Months
  • Premium User$59.991 Year
One-time2
  • Lifetime Upgrade$59.99
  • Lifetime Access$99.99

Questions

Is Study Quest free?
Study Quest is free to download, with in-app purchases available.
Is Coban free?
Coban is free to download, with in-app purchases available.
Which has better reviews, Study Quest or Coban?
Coban is rated higher. Study Quest averages 4.1 out of 5 from 18 ratings, while Coban averages 4.8 from 620 ratings.
Do Study Quest or Coban have ads?
Coban shows ads; Study Quest does not.
Which is updated more often, Study Quest or Coban?
Study Quest ships an update monthly, and Coban weekly. Most recently, Study Quest was updated on October 23, 2026 and Coban on October 24, 2026.

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