Comparison

Context vs Coban

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

Head to head
About

Context

Build a daily language learning habit by studying meaningful sentences. Capture text from anywhere, create smart flashcards, and track your progress. Supports Japanese-English and English-Japanese dictionaries, or any language with custom definitions.

Highlights
  • Sentence-based flashcards
  • Text capture via camera or paste
  • Intelligent spaced repetition
  • Custom definitions for any language
  • Japanese-English dictionary
  • Cross-device syncing
Features
Read full description

Context helps you build a daily habit around meaningful sentences you encounter through language immersion. When you find a new word, grab the entire sentence. You can paste from another app or use the camera to capture text from anywhere. We will intelligently schedule flashcards that use this sentence to help you remember new words in context. Context currently has Japanese-English, English-Japanese dictionaries built in. If you write your own definitions, you can use it to study any language. About Subscriptions: To sync between multiple devices, you will need to create an account and subscribe. Subscriptions will automatically renew unless canceled within 24-hours before the end of the current period. You can cancel anytime with your Apple ID account settings. Any unused portion of a free trial will be forfeited if you purchase a subscription. Terms of service: http://studywithcontext.com/termsofservice Privacy policy: http://studywithcontext.com/privacypolicy

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

“Coban” is a Japanese learning app designed to help learners study everything from JLPT N5 to N1 within a single app. Rather than focusing only on passing exams, Coban was created with a strong emphasis on helping users quickly understand and actively use real Japanese in practical situations. One of Coban’s main concepts is learning Japanese efficiently by first capturing the overall structure and feeling of the language instead of memorizing countless rules one by one. The app is designed so learners can quickly study the information they need and immediately apply it to real communication, making it ideal for reviewing before class, preparing for conversations, or reinforcing what has already been learned. Coban works especially well as a supplementary learning tool alongside lessons, textbooks, and real-life conversation practice. Combining digital study with practical usage and traditional learning methods can dramatically improve Japanese ability, and Coban was developed to support that daily digital learning process. Audio is included for all example sentences and almost all vocabulary words. With more than 12,000 audio files, learners can improve not only vocabulary and grammar, but also listening and shadowing skills. All content is stored locally on the device, allowing users to study even without an internet connection. The app includes more than 2,100 kanji, 7,500 vocabulary words, 490 grammar points, and over 2,500 example sentences. From beginner to advanced learners, Coban provides comprehensive support for reaching JLPT N1 level and developing the ability to understand natural Japanese used by native speakers and in professional environments. Coban was created for learners who want to understand Japanese more naturally and use it confidently in real situations, not only for exams.

Screenshots

Context4 screens
Coban4 screens

Verdict

The call

The clearest difference is rating: Coban at 4.8 against Context's 4.3. Coban also leads on ratings volume (616 vs 12) and update cadence (weekly vs every 3 weeks). Context's advantage is ads (none vs shown). 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. Context sells 2 in-app purchases, starting at $3.49 per month 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 4.3. That said, the two scores are not equally well evidenced: Coban has 616 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 64% of Context's written reviews are positive against 80% of Coban's.

UpkeepUpdate frequency

Context ships an update every 3 weeks, Coban weekly. The most recent releases landed on August 8, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 5 level
Context versus Coban: the parameters behind the verdict, then further details
ParameterContextCoban
PriceFreeFree
Rating4.3 (12 ratings)4.8 (616 ratings) — better
Positive reviews63.6% of reviews80.5% of reviews — better
Number of ratings12616 — better
Update frequencyEvery 3 weeksWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size271 MB638 MB
Age rating4+4+
DeveloperH Canyon BoakAkira NOGUCHI

Customer experience

Context

All ratings12 ratings
Positive75.0%
Neutral16.7%
Negative8.3%
Written reviews11 reviews
Positive63.6%
Neutral27.3%
Negative9.1%

Coban

All ratings616 ratings
Positive95.6%
Neutral2.8%
Negative1.6%
Written reviews87 reviews
Positive80.5%
Neutral12.6%
Negative6.9%

Bugs and requests

Context

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

2 purchases

Context

Subscriptions2
  • Context Pro - Monthly14 Days trial$3.491 Month
  • Context Pro - Yearly14 Days trial$34.991 Year
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 Context free?
Context 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, Context or Coban?
Coban is rated higher. Context averages 4.3 out of 5 from 12 ratings, while Coban averages 4.8 from 616 ratings.
Do Context or Coban have ads?
Coban shows ads; Context does not.
Which is updated more often, Context or Coban?
Context ships an update every 3 weeks, and Coban weekly. Most recently, Context was updated on August 8, 2026 and Coban on September 24, 2026.

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