Basic 850 vs Ogden 850
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Basic 850
Learn English with a core vocabulary of 850 words. Practice pronunciation, engage in AI conversations, and reinforce learning with quizzes. Designed for beginners and those seeking a solid foundation in spoken English.
- Learn 850 core English words with flashcards
- Practice pronunciation with AI feedback
- Engage in AI-powered English conversations
- Reinforce learning with short quizzes
- Privacy-focused with offline data storage
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Basic 850は、C.K. Ogdenの「Basic English 850語」をもとにした英語学習アプリです。少ない語彙で日常の考えを伝える力を育て、単語・発音・例文・AI会話練習をひとつにまとめました。 主な機能 ・基本850語をカードで学習 意味、発音、例文、関連語を見ながら、毎日少しずつ復習できます。 ・発音チェック 自分の発音を録音して、スコアと改善ポイントを確認できます。 ・AI会話練習 やさしい英語でAIと会話し、文法やより自然な表現の提案を受けられます。 ・短いクイズで定着 間違えた単語を中心に、無理なく復習できます。 ・プライバシーに配慮 ログインなしで始められ、学習データは端末内に保存されます。AI会話など一部機能のみ、必要な内容を当社サーバーに送信します。 英語を最初から学び直したい方、基礎単語で会話の土台を作りたい方、日本語UIで続けやすい英語アプリを探している方に向いています。
Ogden 850
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Kay Ogden helps you learn English with Ogden Basic English — the practical 850-word core and the 1368-word library. British and American audio is now built into the app. Tap any word, definition, or example and hear it immediately, even on a plane or a subway. New Concept English Book 1 audio is included; Books 2–4 can be downloaded when you need them. Study with flashcards, IPA pronunciation, phrases, stories, daily review, and New Concept lessons. When you need help writing a sentence, AI writing assistance is there. Kay Ogden is the focused native iOS edition for learners who want a calm, classic vocabulary routine — offline first. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Basic 850 at weekly against Ogden 850's every 3 weeks. 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
Both are free to download. Basic 850 sells 3 in-app purchases, starting at $2.99 per month and Ogden 850 sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Basic 850 ships an update weekly, Ogden 850 every 3 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.
| Parameter | Basic 850 | Ogden 850 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 185 MB | 804 MB |
| Age rating | 4+ | 4+ |
| Developer | 宝 谢 | 小琦 王 |
In-app purchases
Basic 850
- Basic 850 Plus (Monthly)$2.991 Month
- Basic 850 Plus (Yearly)$19.991 Year
- Basic 850 Plus（買い切り）$29.99
Ogden 850
- AI Writing Monthly$0.991 Month
- Kay Support$1.991 Month
