Synapsi vs Studytok
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Synapsi
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Most study apps make the flashcards. Synapsi checks you actually learned them. Turn any lecture, PDF, or YouTube video into AI flashcards, a quiz, a summary, and a mind map in seconds. Then prove you know it: Synapsi runs real spaced repetition and an AI-judged Feynman teach-back that grades whether you can explain the idea in your own words. MORE SOURCES, SAME STUDY KIT Synapsi also reads web articles and short video links from TikTok, Instagram, X, and Facebook. Paste the link, get the transcript and the full study kit. Free tools (transcript, summarizer, flashcard maker) live at synapsi.guru/tools and need no account. Synapsi is free to download and includes a free preview: your first study kit, with a sample of its flashcards, quiz, and summary. Full study kits and the AI study tools below require a Synapsi Pro subscription or one-time lecture credits. WHAT SYNAPSI DOES (requires Pro or lecture credits) AI flashcard maker: auto-generate flashcards from any source. PDF to flashcards, YouTube to flashcards, lecture notes to flashcards. Spaced repetition that works: a real SM-2 system schedules reviews at the right time so facts stick. Built for exam prep and revision. Quiz generator: turn your notes into a practice quiz with instant feedback. AI summarizer: get a clean summary of a long PDF or hour-long lecture in seconds. Mind map generator: see how ideas connect with a visual mind map of your material. YouTube transcript and notes: pull the transcript from any video and turn it into study notes, flashcards, and a quiz. Feynman teach-back: explain a concept, and the AI judges your answer against the source and shows your gaps. If you can't explain it, you haven't learned it yet. AI study chat: ask questions about your own notes and get answers with citations. Smart reminders: one nudge a day, built from what is actually due. Set an exam date and Synapsi counts down to it. PERFECT FOR - Students cramming for exams and finals - College and university revision - Med, law, and language learners - Anyone who reads PDFs or watches lectures and wants to remember them WHY IT WORKS Making flashcards feels like studying. It isn't. Real learning is recall and explanation. Synapsi uses spaced repetition to make you recall and the Feynman technique to make you explain. Stop highlighting. Stop re-reading. Start proving you learned it. SUBSCRIPTION & CREDITS Synapsi is free to download. Your first study kit is a free preview. Full access requires a purchase: - Synapsi Pro: unlimited notes and every study tool. An auto-renewable subscription billed monthly or yearly (a one-time Lifetime option is also available). Your subscription renews automatically unless canceled at least 24 hours before the period ends. Manage or cancel anytime in your App Store account settings. - Lecture credits: one-time purchases. One credit buys one full lecture's study kit, with no subscription. The current prices and lengths are always shown on the purchase screen before you buy. TERMS & PRIVACY Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://synapsi.guru/privacy
Studytok
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Turn your study sessions into an engaging experience with Studytok! Designed to replace mindless scrolling with wonder learning, Studytok leverages advanced AI to transform your class notes, textbooks into powerful, bite-sized study tools. Whether you're prepping for exams, brushing up on complex concepts, or trying to build better study habits, Studytok is your ultimate AI-powered academic companion. YOUR NOTES, YOUR QUIZZES Stop wasting hours making flashcards by hand. Snap a photo of your handwritten notes. Studytokβs smart AI extracts the text, analyzes it instantly, and generates custom quizzes, flashcards, and summaries. MASTER CONCEPTS WITH THE FEYNMAN TECHNIQUE Go beyond basic memorization. Use interactive voice features to explain concepts back to your AI buddy, getting intelligent follow-up questions and feedback until the material truly sticks. GAMIFIED LEARNING & MOTIVATION Studying doesn't have to feel like a chore. Keep your momentum going with built-in gamification. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://twoja-strona.pl/privacy-policy
Screenshots
Verdict
The clearest difference is update cadence: Synapsi at every 3 days against Studytok's every 9 days. Studytok's advantage is iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Synapsi sells 2 in-app purchases, starting at $9.99 per month and Studytok sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.
Synapsi ships an update every 3 days, Studytok every 9 days. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.
| Parameter | Synapsi | Studytok |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days β better | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, Mac β better | iPhone, iPad |
| Requires iOS | 18.0 | 16.4 β better |
| Further details β not scored | ||
| Size | 82 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Khoa Tran | Piotr Rudnicki |
In-app purchases
Synapsi
- Synapsi Pro Monthly3 Days trial$9.991 Month
- Synapsi Pro Yearly3 Days trial$48.001 Year
Studytok
- StudyTok Premium Monthly$8.991 Month
- StudyTok Premium Yearly3 Days trial$49.991 Year








