Comparison

JClass vs Indonesian Phrasebook

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

Head to head
About

JClass

Master Japanese easily with a virtual tutor. Progress through hiragana, katakana, kanji, and vocabulary with interactive quizzes and progress tracking. Earn achievements and compete on leaderboards.

Highlights
  • Learn hiragana, katakana, and kanji
  • Vocabulary building
  • Interactive quiz mode
  • Progress tracking
  • Achievements and leaderboards
  • Content review by level
Features
Read full description

JClass helps you learn Japanese: hiragana, katakana, and the kanji and vocabulary of every JLPT level, from N5 to N1. STUDY WHAT YOU DON'T KNOW YET Quick quizzes sort every character and word by how well you know it. The ones you miss come back more often, and new ones appear only when you're ready. Wrong answer options are look-alike kanji and similar words, so guessing won't help. WHAT'S INSIDE • Hiragana and katakana • 2,000+ kanji with on and kun readings, radical, stroke order and example words • 4,100+ vocabulary words • Searchable dictionaries for kana, kanji and words • Audio pronunciation • Meanings in English, Spanish, French, German, Portuguese or Russian ALSO • iCloud sync across your devices • Game Center achievements • Dark mode • No ads, no in-app purchases

About

Indonesian Phrasebook

Features
Read full description

Military-related Indonesian (Bahasa) phrases for language learners. With Indonesian text and audio. Using this app, you can select an English phrase and view its translation and how to pronounce it in Indonesian. This app is based on the modules publicly available online from the U.S. Defense Language Institute. While this app's subject matter relates mainly to military topics, the app is broadly useful with content relating to a range of topics. • Easy to use • Contains over 600 phrases with native speaker audio recordings • Dictionary lookup: Type or say what you want to search • Pronunciation help: See the transliterated/Romanized text • Good for language learning, or as a reference

Screenshots

JClass4 screens
Indonesian Phrasebook4 screens

Verdict

The call

The clearest difference is in-app purchases: Indonesian Phrasebook at none against JClass's 6. JClass's advantage is price ($4.99 vs $6.99). On update cadence, ads, device support and iOS requirement 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

JClass costs $4.99 and Indonesian Phrasebook $6.99 up front. JClass sells 6 one-off in-app purchases. Indonesian Phrasebook asks for nothing beyond the download.

UpkeepUpdate frequency

JClass ships an update every 2 months, Indonesian Phrasebook every 3 months. The most recent releases landed on October 23, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
JClass versus Indonesian Phrasebook: the parameters behind the verdict, then further details
ParameterJClassIndonesian Phrasebook
Price$4.99 — better$6.99
Rating4.7 (376 ratings) — better—
Positive reviews75.5% of reviews—
Number of ratings376 — better—
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size53 MB33 MB
Age rating4+12+
DeveloperJorge CozainQvyshift LLC

Bugs and requests

JClass

Reported bugs

20 issues
  • Crashing on iPhone
  • App crashes with iOS 13.4
  • App crashes every time
  • App don't working on iPhone 5C
  • Purchased but it didn’t work
Show 15 more
  • App crashes everytime that use it
  • App crashes
  • After update, app doesn't work
  • App not working on iPad
  • App crashes on iPhone X
  • App crashes on iPhone 6
  • App hangs/stuck
  • Payment does not work correctly
  • Purchased N5, requires re-payment
  • Purchased N2, wish I didn't
  • Purchased full access, not opened
  • Error in word transcrib
  • App is closing alone
  • App is not reacting to touches
  • Purchased full set, doesn't react to touches

Requested features

14 requests
  • Add Russian language
  • Add more language options
  • Ability to reset progress
  • Landscape mode for iPad
  • Transfer progress to other devices
Show 9 more
  • Faster speed between questions
  • Dark mode option
  • Add Hiragana as an alphabet
  • Feature to select specific words for testing
  • Allow restarting exercises
  • Fix TTS pronunciation
  • Add 'kun' readings in Hiragana and 'on' readings in Katakana
  • Improve JLPT word training
  • Add Russian translation for Kanji

Indonesian Phrasebook

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

JClass

One-time6
  • JLPT N5Free
  • JLPT N4Free
  • JLPT N2Free
Show 3 more
  • JLPT N3Free
  • JLPT N1Free
  • Full JLPT AccessFree
None

Indonesian Phrasebook

No in-app purchases

Questions

Is JClass free?
JClass costs $4.99, and also offers in-app purchases.
Is Indonesian Phrasebook free?
Indonesian Phrasebook costs $6.99, with no in-app purchases.
Do JClass or Indonesian Phrasebook have ads?
Neither JClass nor Indonesian Phrasebook shows ads.
Which is updated more often, JClass or Indonesian Phrasebook?
JClass ships an update every 2 months, and Indonesian Phrasebook every 3 months. Most recently, JClass was updated on October 23, 2026 and Indonesian Phrasebook on October 8, 2026.

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