Comparison

CJE Dictionary vs Onsei

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

Head to head

About

CJE Dictionary

Features

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CJE Dictionary is aimed towards those who are familiar with simplified Chinese characters and the English language. Feature List - Japanese -> English, Chinese, Japanese dictionaries - Romaji and Simplified Chinese searching (Auto convert Romaji to Hiragana and 简体字 to 新字体) - Kanji dictionary - Conjugation Charts

About

Onsei

Features

Read full description

Onsei is a Japanese learning app designed for focused daily study. Build vocabulary and grammar with spaced repetition, clear review flows, native audio, and scenario-based practice that helps you turn study into real usage. Features: • Vocabulary and grammar review • Spaced repetition scheduling • Daily study sessions and progress tracking • Japanese audio playback • Optional account sync across devices • Scenario-based practice for everyday situations

Screenshots

CJE Dictionary4 screens

Onsei3 screens

Verdict

The call

The clearest difference is update cadence: CJE Dictionary at daily against Onsei's every 10 days. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CJE Dictionary ships an update daily, Onsei every 10 days. The most recent releases landed on September 20, 2026 and September 4, 2026 respectively.

Scorecard1 real difference · 5 level

CJE Dictionary versus Onsei: the parameters behind the verdict, then further details
Parameter	CJE Dictionary	Onsei
Price	Free	Free
Update frequency	Daily — better	Every 10 days
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPod
Requires iOS	16.0	15.1 — better
Further details — not scored
Size	72 MB	33 MB
Age rating	4+	12+
Developer	Hunter Han	鑫陈

In-app purchases

None

CJE Dictionary

No in-app purchases

None

Onsei

No in-app purchases

Questions

Is CJE Dictionary free?

CJE Dictionary is free to download, with no in-app purchases.

Is Onsei free?

Onsei is free to download, with no in-app purchases.

Do CJE Dictionary or Onsei have ads?

Neither CJE Dictionary nor Onsei shows ads.

Which is updated more often, CJE Dictionary or Onsei?

CJE Dictionary ships an update daily, and Onsei every 10 days. Most recently, CJE Dictionary was updated on September 20, 2026 and Onsei on September 4, 2026.