Spaced Repetition — Synapse is a free education-focused planner that helps you organize revisions with spaced repetition, reminders, and a built-in calendar. It emphasizes a no-flashcards approach and offers customizable intervals, making it easy to stay on track without extra setup. Not ranked in any top lists, the app shows steady traction with a strong user base (10,000+ total) and recent activity (1.5K in the last 30 days).
Pros & Cons
Free to use
Reminders and calendar integration
No flashcards required for planning
Customizable intervals for spaced repetition
Lacks daily events and tasks features common in some planners (e.g., daily tasks, meetings, life/work planning)
Limited integration beyond reminders/calendar
No collaboration features mentioned
About Spaced Repetition — Synapse
Spaced Repetition — Synapse is an education app developed by Synapse Softwares.
How many times has Spaced Repetition — Synapse been downloaded?
Spaced Repetition — Synapse has been downloaded 30 thousand times. In the last 30 days, the app was downloaded 1.5 thousand times.
What is the rating of Spaced Repetition — Synapse?
Spaced Repetition — Synapse is rated 3.73 out of 5 stars, based on 320 ratings.
Is Spaced Repetition — Synapse free?
Spaced Repetition — Synapse is free to download. The APK download size is 31.23 MB. The latest version available is 1.0.64. The last update was on March 25, 2026.
What are the requirements for Spaced Repetition — Synapse?
The app has a content rating of Everyone. The app has been available on Google Play October 2024.
Description
Manually organizing and scheduling revisions with spaced repetition can be overwhelming, right?
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Comments on Spaced Repetition — Synapse for Android
★★★★★Wanderson Ramos· Dec 2, 2025
If possible, in future updates, please make revision reminder support available in calendar applications, such as Google Calendar. The app is very good for organizing constant study sessions to strengthen memorization.
★★★★☆Shweta lendave· Jul 25, 2026
It is the best app I could ever find for spaced repetition. I purchased premium, but there is some glitch due to which all my revisions disappeared. Now I need to set them all again. All my efforts went waste. Please fix it as soon as possible, I don't want to loose all revisions again.
★★★★☆Mahmoud Elnaggar· Sep 29, 2025
It's a great app for students that relies on spaced repetition technique, but it has some software issues that need to be fixed 😕.
★★★★★Hamza Sajid· Dec 4, 2025
Feature requests, 1. Should be able to retroactively mark revisions as completed any day. 2. add colors to categorize, so it makes it easier to identify revisions rather than all being the same color (like in the similar Engram app). 3. add a separate calendar tab (rather than that small icon for it), bigger and more improved. 4. not the biggest fan of this font and color scheme, but I'm nitpicking at this point. Regardless, great app.
★☆☆☆☆Sumon Chandra Shil· Mar 22, 2025
Can't add more than 10 topics in the free version.
★★☆☆☆Vismaya· May 15, 2026
Bad 😞 it only allows 4 subjects to add in free version. Then what I will do with my other subjects. I cannot take premium 😔
★★☆☆☆Deepika· Sep 4, 2025
I love the app but it's expensive, and without purchase you can only add 3 revision
★★☆☆☆Bedanta Upadhyay· Jun 15, 2025
Good app. But missing information about how many revisions I can store in the free version? Can you please let me know? EDIT: Not worth trying. Only 4 revisions allowed in the free version and pro pricing is way too high. Developers should allow an unlimited number of revisions if they're created within 1 category and charge the user for any additional categories that they want to add.
★☆☆☆☆20-384 _ Md. Badrudduza· Mar 9, 2026
Don't waste your time with this app people, it won't let you add more than 4 notes for spaced repetition. Totally disappointed. It didn’t even warn me, suddenly asking for huge amount of money monthly to just do calendar work. Unethical app.
Google Play Rankings for Spaced Repetition — Synapse
This app is not ranked
Technologies used by Spaced Repetition — Synapse
Spaced Repetition — Synapse is requesting 33 permissions and we don't have library information (yet).
Permissions
Development tools
test access to protected storage
Network communication
view network connections,
full network access,
Google Play billing service,
receive data from Internet
We haven't collected library information for this app yet. You can use the AppBrain
Ad Detector app to detect libraries in apps installed on your device.
Trust & Safety: The app requests a broad set of permissions typical for reminder/calendar apps and advertising integration, including INTERNET, POST_NOTIFICATIONS, SCHEDULE_EXACT_ALARM, READ/WRITE_EXTERNAL_STORAGE, WAKE_LOCK, and ad/launcher-related permissions (e.g., AD_ID, various badge/launcher permissions). This aligns with its reminders, calendar features, and potential ad-supported monetization; users should review permission usage in the store listing for transparency.
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