Synapse vs StudyDaily
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Synapse
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Most apps are built to keep you scrolling. Synapse is built to make you stop, just once a day. It gives you a single fact, carefully written and drawn from the deepest corners of science and history. No feed, no infinite scroll, just one idea worth carrying with you, delivered whenever you choose. These are not trivia. Each fact is a small story: the slow evaporation of black holes, declassified Cold War experiments, animals that bend the laws of physics, words that carry the fingerprints of ancient civilizations. Written to be read in a minute, and remembered far longer. Ten worlds to explore: • Abysses & Cosmos: the physics of deep space and the ocean floor • Dark History: real, documented, and deliberately forgotten • Biohacking: the science of pushing human biology to its limits • Mind & Neuroscience: the strange architecture of perception • Weird Fauna: evolution's most brutal and brilliant solutions • Future Tech: what tomorrow's labs are building today • Etymology Lab: words as archaeological artifacts • Megastructures: impossible engineering, ancient and future • Geopolitics: borders that defy logic • Daily Science: the deep laws hidden in ordinary moments A streak grows with every day you show up, and when life gets in the way a shield protects what you have built, so a single missed day never erases weeks of curiosity. Every fact also carries a rarity, so the more you read, the richer your collection becomes: a private map of everything you have learned. Curiosity is better when it travels. Follow friends, compare streaks on the leaderboard, and share the facts that move you. Synapse asks for one minute a day. What you do with the idea is up to you.
StudyDaily
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Your Anki collection already holds hours—or years—of work. StudyDaily helps you keep it, then turns it into a calmer daily system for remembering what matters. Import Anki APKG and COLPKG packages with your cards, media, deck presets, scheduling data and review history. Bring Quizlet exports through CSV or TSV. Then continue with FSRS-6 spaced repetition, offline study and optional cross-device sync. Keep the knowledge. Upgrade the routine. Move from Anki without starting over • Import APKG and COLPKG packages created by Anki • Preserve card content, formatting, images, audio and MathJax • Keep cloze notes, image occlusions, deck presets and review history • Choose whether to import scheduling data and presets • Export back to APKG, COLPKG or CSV whenever you want Coming from Quizlet? StudyDaily detects Quizlet-style tab-separated exports and helps map terms and definitions correctly. Know exactly what deserves attention today FSRS-6 spaced repetition builds a daily queue around the memories most likely to fade—not around busywork. • See today's new cards and reviews before you begin • Get a realistic session-time estimate • Choose Again, Hard, Good or Easy • Undo a mistaken answer without breaking your flow • Adjust desired retention, new-card limits and review limits Study wherever life happens StudyDaily is local-first. Create cards and complete reviews without an account or connection. Optional StudyDaily Premium sync keeps cards, media and review history aligned across your signed-in devices. Review on your phone, continue on your tablet, and let offline changes sync when the connection returns. Stay consistent without paying for a missed day • Holiday mode shifts the plan instead of creating an instant backlog • Backlog recovery spreads overdue reviews across manageable days • Local reminders show what is waiting without demanding attention all day • A home-screen widget keeps today's plan visible Build cards for the subject in front of you Create cards with text, images and audio. Use cloze deletion, image occlusion and bundled MathJax. Organize large collections with tags and search. Track retention, study time, card states and upcoming workload. Find the cards you need Browse and search cards inside a deck and its subdecks. Add a card from the deck menu or add a catalogue deck from its detail page. Mark a card while studying, find it in the library and review only marked cards. Start with a plan that fits Your available time sets daily limits; your subject brings relevant catalogue decks forward. Choose your app language, light or dark theme, and a local daily reminder time. Your collection stays yours Local study does not require an account. Cloud sync is optional and requires StudyDaily Premium. Import and export tools keep an open path into and out of StudyDaily. If Anki got you this far, you do not need to abandon it or rebuild everything. Bring the collection you trust and make it easier to live with every day. Anki is a trademark of Ankitects Pty Ltd. Quizlet is a trademark of Quizlet, Inc. StudyDaily is an independent app and is not affiliated with, endorsed by or sponsored by Ankitects or Quizlet. Apple Standard End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Verdict
The clearest difference is in-app purchases: Synapse at none against StudyDaily's 3. Synapse also leads on update cadence (every 2 days vs fortnightly). On price, ads, device support 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
Both are free to download. StudyDaily sells 3 in-app purchases, starting at $1.99 per 7 days. Synapse asks for nothing beyond the download.
Synapse ships an update every 2 days, StudyDaily fortnightly. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.
| Parameter | Synapse | StudyDaily |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17 | 17.0 |
| Further details — not scored | ||
| Size | 181 MB | 52 MB |
| Age rating | 12+ | 12+ |
| Developer | Mattia Capomagi | LIFTOFF |
In-app purchases
Synapse
No in-app purchases
StudyDaily
- Premium Weekly$1.997 Days
- Premium Annual$29.991 Year
- Premium Lifetime$69.99









