AI vs Define
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI
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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
Define
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | AI | Define |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 16.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 15 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Wei Wei | Virtual GS |
In-app purchases
AI
No in-app purchases
Define
No in-app purchases









