Comparison

AI vs Define

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

Head to head
About

AI

Read full description

Unlock the power of words — faster, smarter, and clearer. AI-Powered Dictionary is your intelligent English learning assistant, built especially for Chinese speakers. Whether you're a student, traveler, or working professional, this tool makes it simple to understand, save, and remember English words with just one tap. Features: 1. AI-powered definitions & examples Get accurate, natural-sounding definitions and real-life sentence examples powered by LLMs. 2. Clean bilingual display English explanations with Chinese translations make it easy to grasp meaning and usage. 3. Save your favorite words Build your personalized vocabulary list for review anytime. 4. Print vocabulary lists One-tap export lets you print your saved words — perfect for study sheets. 5. Fast and intuitive search Minimalist design, dark mode friendly, and lightning-fast results. Whether you're preparing for exams, improving your English for work, or learning casually, AI-Powered Dictionary helps you grow your vocabulary with confidence

About

Define

Features
Read full description

Defineは、Apple Intelligenceを搭載した新しいAI対応辞書/百科事典です。 質問するか画像をアップロードするだけで、必要な答えが得られます! 不適切な質問はご遠慮ください。テキスト読み上げ機能に対応しています。 すべてのデータはプライベートに保護され、インターネット接続なしでオフラインでも動作します。 Apple Intelligenceに対応したデバイスが必要です。例:iPhone 15 Pro以降、M1チップ搭載iPad/Mac以降、Vision Pro。

Screenshots

AI4 screens
Define4 screens

Verdict

The call

The clearest difference is device support: Define at 3 against AI's 1. AI's advantage is iOS requirement (16.6 vs 26.0). On price, ads and in-app purchases 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.

Scorecard2 real differences · 4 level
AI versus Define: the parameters behind the verdict, then further details
ParameterAIDefine
PriceFreeFree
Update frequency—Every 5 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS16.6 — better26.0
Further details — not scored
Size15 MB10 MB
Age rating4+4+
DeveloperWei WeiVirtual GS

In-app purchases

None

AI

No in-app purchases

None

Define

No in-app purchases

Questions

Is AI free?
AI is free to download, with no in-app purchases.
Is Define free?
Define is free to download, with no in-app purchases.
Do AI or Define have ads?
Neither AI nor Define shows ads.

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