StudyChime vs CardGo.AI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

StudyChime compared with CardGo.AI
Detail	StudyChime	CardGo.AI
What it does	Private Prolific study notifications for Chrome, Discord, Telegram and Pushover	AI context cards for ChatGPT, Claude, Gemini, Perplexity and Grok
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: browser alerts, local milestones, 5 external-alert batches per rolling 24-hour period. Premium: £4.99 one-time payment for lifetime access, includes unlimited external alerts, filter profiles, alert schedules, Remote snooze and resume, custom sounds, and local Study Trends.	Free plan: $0 forever, 7 cards, CardGo AI: 10 messages and 10 hosted analyses a day. Pro plan: $9.90 per month, 50 cards, CardGo AI: 100 messages and 100 hosted analyses a day. Max plan: $19.90 per month, Unlimited cards, CardGo AI: 300 messages and 300 hosted analyses a day.
Key features	Browser and Discord, Telegram, Pushover notifications Reward, availability, time, and keyword filters Reusable filter profiles and alert schedules Local Study Trends with 7, 30, 90, and 12-month views Remote snooze and resume from phone alerts Local milestones and progress tracking 14-day Premium trial with no card required Monitoring health status display	Save context once as encrypted cards with seven sections End-to-end encrypted with AES-256-GCM Works with ChatGPT, Claude, Gemini, Perplexity and Grok Sync across devices Card suggestions while typing Create multiple context cards with different details Filter sensitive details before sharing Dream cards feature to auto-generate card suggestions
What makes it different	Private alerts sent only to services you control, not to StudyChime Does not automatically accept, reserve, refresh, complete or submit studies No Prolific password or cookie permissions required Local-first data storage with privacy-minimised Study Trends One-time £4.99 lifetime Premium purchase with no subscription	One card works across five different AI services Eliminates need to re-explain context to each AI chat No credit card required to start Context attached only when you choose
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 no change since last check	3 no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	14	26
Referring domains (Majestic)	3	41

5 details filled in for both companies.

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