Speak850 vs Shadow101
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Speak850
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Speak English with just 850 words. Speak850 teaches you Basic English — the famous method created by linguist C. K. Ogden in 1930: a small, carefully chosen core of 850 words that can express almost any everyday idea. Master this core and you can communicate right away — then grow naturally toward full English. Learn in your own language. Pick from 22 native languages and every word and example sentence is shown with a translation you understand, plus clear on-device audio. WHAT YOU GET • A complete 14-week course — all 850 Basic English words, grouped into clear topics (People, Actions, House & Home, The Body, and more). • Smart flashcards with spaced repetition (SRS) that bring words back exactly when you're about to forget them. • A daily review queue, study streak, daily goal, and an optional reminder to keep the habit. • Listen and learn — natural pronunciation for every word and sentence. PRO unlocks the full experience • The complete course — every topic and all 850 words. • Unlimited mixed practice: choose the meaning, pick the word, listen, and spell. • Example Sentences — see every word in real context, with audio and a translation in your language. • Word Combinations & Grammar guides — the heart of the method: how a few verbs plus direction words (get up, put on, take off, give up…) and a handful of simple rules let you say almost anything. One-time purchase. No subscription. Free updates. The first topics and a daily review are free, so you can feel the method before you decide. Your progress is private — stored on your device and synced through your own iCloud. No accounts, no ads, no tracking. Note: This app is an independent work that teaches the public-domain Basic English method. It is not affiliated with or endorsed by C. K. Ogden's estate or the Orthological Institute. All example sentences and translations are original.
Shadow101
Enhance your English speaking skills through focused shadowing exercises. Listen, repeat, record, and compare your voice to the original audio. Track your progress with detailed analytics and built-in study tools for consistent improvement.
- Sentence-by-sentence listening
- Adjustable playback speed
- Voice recording and comparison
- Progress tracking and study calendar
- Built-in vocabulary reference
- Offline study experience
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Build a stronger English speaking habit with focused shadowing practice — using the English audio you choose. Shadow101 turns your own audio into structured, sentence-by-sentence shadowing lessons. Import MP3, M4A, or WAV files, review the transcript, fine-tune sentence timing, then listen, repeat, record, and compare at your own pace. ◉ CREATE LESSONS FROM YOUR AUDIO • Import MP3, M4A, or WAV files • Automatic transcription and sentence splitting • Synchronized sentence-by-sentence practice timelines • Review and edit transcripts before saving • Fine-tune sentence start and end times • Preview each sentence before you begin • Choose Automatic, UK English, or US English recognition ◉ PRACTICE YOUR WAY • Listen sentence by sentence • Repeat any sentence or complete lesson • Adjust playback speed • Move quickly between previous and next sentences • Switch between English and bilingual text when available ◉ RECORD AND COMPARE Record your own reading for any sentence, then listen to the lesson audio and your recording side by side. Each sentence keeps your latest recording so you can practise again whenever you are ready. ◉ FOLLOW YOUR PROGRESS • See how many times you complete each lesson • Review daily activity in the study calendar • Track weekly trends and learning streaks • View your most-practised lessons • Set a daily reminder to keep your routine going ◉ MORE STUDY TOOLS • Built-in vocabulary reference • Rename and manage imported lessons • Share lesson audio and text • English, Simplified Chinese, and Traditional Chinese interface options • Offline-friendly practice with locally stored audio Shadow101 is designed for focused, distraction-free English practice — one sentence, one lesson, and one day at a time.
Screenshots
Verdict
The clearest difference is price: Speak850 at Free against Shadow101's $0.99. Shadow101's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.0). On update cadence, ads 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
Speak850 is free to download; Shadow101 costs $0.99 up front. Speak850 sells 1 one-off in-app purchase. Shadow101 asks for nothing beyond the download.
Speak850 ships an update weekly, Shadow101 every 8 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.
| Parameter | Speak850 | Shadow101 |
|---|---|---|
| Price | Free — better | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Weekly — better | Every 8 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 584 MB |
| Age rating | 4+ | 4+ |
| Developer | YI LIU | 华芳 张 |
In-app purchases
Speak850
- Speak850 Pro$4.99
Shadow101
No in-app purchases









