StudioAI vs STRATA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StudioAI
Learn languages by creating personalized exercises from your own content like YouTube videos or articles. Features AI-powered flashcards, quizzes, grammar practice, and an offline AI tutor. Track progress with streaks and charts.
- Create exercises from YouTube, PDFs, and articles
- AI-powered flashcards with FSRS scheduling
- Personalized quizzes and grammar practice
- Offline AI tutor on supported devices
- Progress tracking with streaks and charts
- Supports multiple languages
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StudioAI – AI Language Learning from Your Own Content Most language apps make you follow their content. StudioAI learns from yours. Upload any YouTube video, PDF, or article and get AI-powered exercises — on any topic, in any language you're learning. Structured Learning: A1 to C2. Scheduled by FSRS. Private by design. Guided Learning: A1 to Advanced Start with a free placement test and follow a curriculum built around your level. Interactive units cover grammar, reading, listening, translation, and fill-in-the-blank exercises — each targeting a specific skill. Studio: Learn from What You Love Upload a PDF, YouTube video, or web article and StudioAI transforms it into AI-powered practice modes built from your own content: - Flashcards — scheduled by FSRS at the exact moment you're about to forget, so every review counts - Quizzes — questions from your own sources to check what you actually understood, not just what you memorized - Podcast-style audio summaries - Grammar Exercises: Practice grammar inside sentences that actually sound real — notice patterns, fix recurring mistakes, and apply rules more confidently - Cloze: Complete sentences using context, not memorization — key for reading and understanding more naturally - Dictation: Listen and write exactly what you hear - Error Hunting: Spot grammar mistakes hidden in real sentences - Transformations: Rewrite phrases to master grammar structures - Word Sorting: Match collocations or classify words into semantic groups - Micro Writing: Short writing tasks with model answers and feedback Local AI Tutor - Private by Design On supported iPhone and iPad models with 6GB RAM or more, chat with an AI tutor that runs entirely on your device. No server. No internet required. It knows your level, native language, and current unit to give you precise hints and explanations instantly. Never Forget a Word with Smart Spaced Repetition (FSRS) StudioAI schedules every review at the exact moment you're about to forget it, so every minute of study counts. Progress & Motivation Streaks, review heatmaps, performance charts, and vocabulary health — all at a glance. Smart suggestions keep your momentum going. Built for Real Life - Study offline, sync when you're back online - Face ID / Touch ID protection - Designed for iPhone and iPad Available languages: English, Spanish, French, German, Portuguese, Japanese, Korean, Chinese, Arabic, Italian, Serbian. Try free for 7 days. Upgrade to Studio Pass or Pro to unlock higher creation limits, advanced tools, and full AI Tutor access. SUBSCRIPTION INFORMATION StudioAI Pro is an auto-renewable subscription. • Title: StudioAI Pro Monthly (or Yearly) • Length of subscription: 1 month (or 1 year) • Price: $6.99/month (or $59.99/year) — price may vary by region. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription renews automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings. Privacy Policy: https://www.studio-ai.es/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
STRATA
This app transforms any subject into a comprehensive, structured learning course in seconds. It generates original content, including modules, lessons, definitions, and quizzes, tailored to your chosen depth and pace. Explore diverse topics from history to finance with in-depth prose and interactive elements.
- AI-generated custom courses
- In-depth lessons and definitions
- End-of-course quizzes
- Adjustable text complexity
- AI assistant for questions
- Audio lesson playback
- Spaced repetition review
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STRATA turns any subject into a full, structured course — in seconds. Type what you want to learn. Set how deep you want to go. STRATA builds a complete curriculum around it: real modules, full lessons, key concepts, definitions, notable passages, and a final quiz. No pre-packaged content. No browsing a catalog. Just your curiosity, and a course built for exactly that. LEARN ANYTHING History, physics, philosophy, finance, literature, medicine, design, law — if you can describe it, STRATA can teach it. The AI builds an original course from scratch, written at the depth and pace you choose. BUILT FOR DEPTH, NOT DISTRACTION Every lesson reads like it was written by someone who genuinely cares about the subject. Long-form prose, precise definitions, pull quotes from real thinkers, citations, formulas, and reflection prompts that make you stop and think. FREE WITH EVERY ACCOUNT — 1 AI-generated course per month — Full lesson content: prose, definitions, key points, pull quotes, citations — End-of-course quiz — Light and dark mode, adjustable text complexity SCHOLAR — $7.99/month or $64.99/year (auto-renewable) — 5 courses per month — Ink AI assistant (50 messages/month) — ask questions about what you're studying — Audio reading — listen to lessons in four natural voices — Lesson Connections — see how your courses relate to each other — Module comprehension checks — Full public library access LUMINARY — $14.99/month or $119.99/year (auto-renewable) — Unlimited courses per month — Ink AI assistant (200 messages/month) — Priority AI generation — Public course sharing — Full spaced repetition review system — All Scholar features included Subscriptions auto-renew monthly or annually. Cancel anytime in Settings → Apple ID → Subscriptions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://koatechapps.com/privacy
Screenshots
Verdict
The clearest difference is update cadence: StudioAI at every 4 days against STRATA's fortnightly. StudioAI also leads on iOS requirement (17.0 vs 26.0). On price, rating, ratings volume and ads 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. StudioAI sells 2 in-app purchases, starting at $6.99 per month and STRATA sells 4 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for StudioAI against 5.0 for STRATA. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
StudioAI ships an update every 4 days, STRATA fortnightly. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.
| Parameter | StudioAI | STRATA |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 4 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 98 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | Francisco Bertero | EVAN ASHTON MCDADE |
Customer experience
StudioAI
STRATA
In-app purchases
StudioAI
- StudioAI Pro Monthly7 Days trial$6.991 Month
- StudioAI Pro Annual7 Days trial$59.991 Year
STRATA
- Scholar Monthly7 Days trial$7.991 Month
- Luminary Monthly7 Days trial$14.991 Month
- Scholar Yearly$59.991 Year
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- Luminary Yearly$119.991 Year









