Pass the NCLEX with adaptive practice, personalized study plans, daily active recall, and powerful tools built to help nursing students retain more.
RecallOS helps students and healthcare professionals retain knowledge through active recall, adaptive practice, and AI-powered learning tools.
Whether you're studying nursing concepts, advanced clinical topics, pharmacology, physiology, or professional healthcare material, RecallOS helps transform study time into long-term retention.
FEATURES
• Daily Recall Paths
Complete guided daily learning sessions built around active recall and spaced repetition.
• AI-Powered Study Materials
Upload notes, PDFs, presentations, and study documents to generate:
* Practice quizzes
* Flashcards
* Study guides
* Knowledge reviews
• Adaptive Quizzing
Questions adjust based on your strengths, weaknesses, and previous performance to help focus your study efforts.
• Smart Flashcards
Reinforce key concepts using evidence-based memory techniques designed to improve retention.
• Study Buddy AI
Get explanations, learning support, and concept breakdowns to help understand difficult topics.
• Weakness Detection
Identify knowledge gaps and focus on the areas that need the most attention.
• Progress Tracking
Monitor streaks, recall performance, study consistency, and learning progress over time.
• Gamified Learning
Build daily habits through streaks, rewards, progression systems, and challenges.
WHO IS RECALLOS FOR?
* Nursing students
* Nurse anesthesia students
* Advanced practice nursing students
* Healthcare professionals
* Pre-health students
* Lifelong learners seeking stronger retention and recall
IMPORTANT INFORMATION
RecallOS is an educational tool and is not intended to provide medical advice, diagnosis, or treatment recommendations.
AI-generated educational content may contain inaccuracies. Users should independently verify important information and rely on approved educational resources, clinical guidance, and professional judgment.
RecallOS is not affiliated with, endorsed by, or sponsored by any educational institution, certification organization, licensing board, or examination provider.
RecallOS Plus (US$5.99/month) and RecallOS Pro (US$9.99/month) are auto-renewable subscriptions. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew at the same price unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID account settings.
Terms of Use (EULA): https://recallos.co/terms
Privacy Policy: https://recallos.co/privacy
Subscription Terms: https://recallos.co/subscription-terms
Incredible app, full of features, easy for daily testing/knowledge
Best studying app
i dknt ahve a nickname
This app has so many different ways to study! It really is advanced in knowledge and helping you learn. There are so many different topics and the daily challenges are just perfect for keeping your knowledge up whether you are in school or have already graduated. 10000/10 would recommend!!
Big update for nursing students! We've completely redesigned our memberships with the new Recall+ and RecallOS Pro, replacing the previous credit system with simpler access. Enjoy a streamlined experience, improved NCLEX study tools, unlimited seeded Weakness Drills with Recall+, expanded Pro features, faster performance, and numerous UI improvements throughout the app.
Version 1.1.6
The developer, Caleb Tolbert, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
Purchases
Contact Info
User Content
Identifiers
Usage Data
Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Location
Privacy practices may vary, for example, based on the features you use or your age. Learn More
The developer indicated that this app supports the following accessibility features. Learn More
Supported Features
Dark Interface
Differentiate Without Color Alone
Sufficient Contrast
Reduced Motion
Information
Seller
Caleb Tolbert
Size
24 MB
Category
Education
Compatibility
Requires iOS 15.0 or later.
iPhone Requires iOS 15.0 or later.
iPod touch Requires iOS 15.0 or later.
Mac Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
Apple Vision Requires visionOS 1.0 or later.
Languages
English
Age Rating
16+
16+
This app has an age rating of 16+ with content restrictions.
Some content may be rated higher, and may therefore be restricted and managed by the developer through in-app controls.