Comparison

Shadow vs Pépsi

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

Head to head
About

Shadow

Master languages quickly by mimicking native speakers with AI-powered pronunciation analysis. Focus on speaking practice through various modes like roleplay and guided conversation. Achieve confident speech in just 10 minutes a day.

Highlights
  • AI pronunciation analysis
  • Shadowing technique
  • Karaoke-style feedback
  • Multiple practice modes
  • 7 languages supported
  • 10 minutes daily practice
Features
Read full description

Shadow uses the shadowing technique — the secret method professional interpreters and polyglots have used for decades to master languages fast. Now it's powered by AI. HOW IT WORKS Listen to a native speaker, then repeat immediately. Our AI analyzes your pronunciation in real-time and highlights exactly which words you matched — karaoke-style. No grammar drills. No vocabulary lists. Just pure speaking practice that builds muscle memory. 15 DAYS TO CONFIDENT SPEAKING Day 1-5: Essential phrases & greetings Day 6-10: Full sentences & conversations Day 11-15: Natural, confident speech Just 10 minutes a day. That's the polyglot routine. 5 PRACTICE MODES Shadow — Listen and repeat with real-time AI feedback Conversation — Free-form speaking with AI corrections Vocabulary Drill — Master individual words and phrases Guided Chat — AI-assisted conversations with sentence starters Roleplay — Real-world scenarios: restaurant, hotel, doctor, shopping 7 LANGUAGES English, Spanish, French, German, Japanese, Italian, and Portuguese — all with native speaker voices and AI pronunciation coaching. WHY SHADOW IS DIFFERENT Unlike apps that teach you to read and write, Shadow focuses entirely on speaking. Our AI listens to every word and gives instant feedback. Watch words light up green as you match the native speaker — it's like karaoke for language learning. REAL RESULTS The shadowing technique is backed by decades of research in second language acquisition. Professional interpreters use it daily. Now you can too — with AI that makes it 10x more effective. WHAT YOU GET FREE 10 minutes of daily practice All 7 languages All 5 practice modes Progress tracking & streaks SHADOW PRO Unlimited practice time Detailed pronunciation analytics Priority support STOP STUDYING. START SPEAKING. Years of grammar study won't make you fluent. 10 minutes of daily shadowing will. Download Shadow and speak like a polyglot. Privacy: https://www.lazuritex.com/privacy-policy Terms: https://www.lazuritex.com/terms-and-conditions

About

Pépsi

Features
Read full description

Learn French words quickly and effectively with Pépsi — a clean, simple, and completely free flashcard app designed for daily practice. No ads. No distractions. Build your vocabulary step by step using an intuitive swipe system: • Swipe right to learn new words • Swipe left if you already know them The app uses a smart spaced repetition system to help you remember words long-term — not just recognize them. Features: • Flashcards with swipe interaction • Smart spaced repetition • Multiple word categories (A1–B1 and more) • Daily reminders to stay consistent • Clean and distraction-free design • Works offline — your data stays on your device • Completely free to use • No advertisements or hidden payments Track your progress: See how many words you’ve learned, how many are in review, and stay motivated with real results. Supports multiple languages: Learn French in your language - 19 interface languages available. Whether you’re just starting or improving your vocabulary, Pépsi helps you build a strong foundation — one word at a time. Start learning today Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Shadow4 screens
Pépsi4 screens

Verdict

The call

The clearest difference is in-app purchases: Pépsi at none against Shadow's 7. Pépsi also leads on device support (3 vs 1). Shadow's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads and iOS requirement 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. Shadow sells 7 in-app purchases, starting at $1.99 per 7 days. Pépsi asks for nothing beyond the download.

UpkeepUpdate frequency

Shadow ships an update every 4 days, Pépsi every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
Shadow versus Pépsi: the parameters behind the verdict, then further details
ParameterShadowPépsi
PriceFreeFree
Rating4.5 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyEvery 4 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.615.6 — better
Further details — not scored
Size51 MB55 MB
Age rating4+4+
DeveloperMUSA KURELAnton Boiko

In-app purchases

7 purchases

Shadow

Subscriptions7
  • Weekly$1.997 Days
  • Monthly Pro$4.991 Month
  • Weekly$5.997 Days
Show 4 more
  • Monthly3 Days trial$17.991 Month
  • Yearly3 Days trial$59.991 Year
  • Shadow Pro – Yearly1 Year trial$69.991 Year
  • Yearly1 Year trial$69.991 Year
None

Pépsi

No in-app purchases

Questions

Is Shadow free?
Shadow is free to download, with in-app purchases available.
Is Pépsi free?
Pépsi is free to download, with no in-app purchases.
Do Shadow or Pépsi have ads?
Neither Shadow nor Pépsi shows ads.
Which is updated more often, Shadow or Pépsi?
Shadow ships an update every 4 days, and Pépsi every 2 weeks. Most recently, Shadow was updated on November 5, 2026 and Pépsi on October 31, 2026.

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