AI CogniSphere vs LessonNow

CogniSphere is a knowledge graph tool designed to help you organize notes, study materials, images, and PDFs in one place. Capture content with your camera, import images from your photo library, or add PDFs, then use OCR to extract text and AI to assist with drafting knowledge points before saving them to your personal knowledge base. You can also create knowledge points manually and build connections at your own pace. Each node can include images, PDFs, text notes, web links, and voice memos, making it easier to turn scattered information into a structured body of knowledge. The interactive graph supports dragging, zooming, and multiple layout options, so you can explore relationships between ideas from both a big-picture and detailed view. It is useful for reading notes, class materials, research organization, and personal knowledge management. Use CogniSphere to: Organize study notes and learning materials Build topic-based knowledge structures Keep images, PDFs, and notes connected in one context Review how concepts relate to one another visually Continue your workflow across iPhone and iPad Data can sync across compatible devices so you can continue organizing wherever you work. Some AI, OCR, PDF summarization, website preview, sync, or subscription-related features may process relevant data only when you actively use those features and only to the extent necessary. Actual features, pricing, and terms are shown in the app. Privacy Policy: https://eric1207cvb.github.io/CogniSphere/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Turn what you need to remember into your own flashcards. LessonNow offers flip cards, type-in answers and image occlusion, with a review schedule that adapts to how well you remember, so you can pick up where you left off every day. • Create text and image flashcards, organize them into decks and review them as they come due. • Flip cards, type-in cards and image occlusion. AI can also turn your notes, slides or photos into card drafts, and even mask the labels on diagrams for you. • FSRS spaced repetition estimates your memory after every answer and schedules the next review just before you would forget. • Read-aloud in many languages, with automatic voice switching for mixed-language cards. • Cards and review history are stored on your device; after your first sign-in you can study offline while your session is active. • Local backup export and import, and daily review reminders. • Classic and Plus remove the deck and card limits and, once you authorize it, back up and sync through your own Google Drive. Plans • Free: up to 3 decks with 30 cards each; AI generation not included. • Classic (lifetime): a one-time purchase that does not auto-renew; no monthly AI points. • LessonNow Plus (monthly subscription): everything in Classic, plus 300 AI points each month (they expire at the end of the period and do not roll over). Eligible first-time subscribers get a 7-day free trial. The subscription renews automatically every month and is charged to your Apple ID unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage or cancel it at any time in your App Store account settings; after cancelling you keep access until the end of the period. AI points: 1 point = US$0.01. AI generation is charged by actual usage, and the estimated points are shown before you send a request. Sync requires an internet connection and Google authorization. LessonNow is for people aged 13 and over; minors need a parent or guardian's consent. Support: support@lessonnow.org Privacy Policy: https://lessonnow.org/privacy Terms of Service: https://lessonnow.org/service