Legibilize vs StudyChime

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

Legibilize compared with StudyChime
Detail	Legibilize	StudyChime
What it does	Read articles without ads and convert text to audio	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	Freemium	Freemium
Pricing	Monthly: $3.99/mo with unlimited URL clean rendering, full device native audio player, high-priority parsing, and ad-blocking updates. Annual: $35.00/yr with everything in the monthly plan plus infinite processing loops, locked-in pricing protection, and bypass processing queues.	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	Remove ads and popups from web pages Convert article text to audio speech Local processing with no external APIs Support for multiple languages Typographic optimization to reduce eye strain Dark mode and light mode themes	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	Processes everything locally on your device with zero API latency Data stays on your device, not sent to external servers Free daily cleaning pass for articles Uses native device text-to-speech without third-party APIs	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)	1 no change since last check	1 no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	6	14
Referring domains (Majestic)	2	3

5 details filled in for both companies.

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