Index vs StudyChime

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

Index compared with StudyChime
Detail	Index	StudyChime
What it does	Keep work, personal life, and every project in its own space. Switch between them without closing tabs or losing your place.	Private Prolific study notifications for Chrome, Discord, Telegram and Pushover
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Freemium
Pricing	Not given	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.
Key features	Spaces, each holding its own groups that open as Chrome tab groups Favorites: up to eight pinned pages that stay with you in every space Sleeping tabs that go out of sight and come back when clicked Hundreds of themes Rewind function keeping a week of changes on your computer Export one JSON file to share with AI assistants like ChatGPT or Claude Search any group, space or link from any page Private by design with no account, server, or network requests	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
What makes it different	Keeps a week of changes you can rewind through on your computer Sleeping tabs preserve your place while keeping them out of sight	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
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)	20 no change since last check	1 no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	9	14
Referring domains (Majestic)	7	3

4 details filled in for both companies.

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