SumSpot vs OnlyRead

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

SumSpot compared with OnlyRead
Detail	SumSpot	OnlyRead
What it does	Summarize any article automatically in Safari	Read-only mode for AI browser agents
Stage	Not given	MVP
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Free	Freemium
Pricing	Not given	Free: $0/month, open source with bring-your-own-model key. Pro: Free during early access with 1,000 judged requests; $5/month when paid tier launches.
Key features	Automatic summarization as pages load Summaries appear directly in Safari Works across the web on any site Works on iPhone, iPad and Mac Granular permission controls No account or sign-up required	Blocks write, post, delete and purchase operations Works with any Chromium browser and AI agent App-specific rules and request classification Open source codebase Central control across multiple browsers (Pro) One-link agent browser setup (Pro) No API key required (Pro) Per-account usage limits with fail-closed behavior Tested on 1,000+ real tasks
What makes it different	Summary ready instantly without any action needed Works everywhere you read on the web No separate app or digest email to manage Stays out of your way until you need it	Reduces accidental changes by AI agents without eliminating access to read data Open source with full code transparency Fail-closed design for unclassified requests Tested against real AI agent tasks on major websites Fully managed Pro option with no setup required
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)	5 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	7	0
Citation Flow (Majestic)	18	0
Referring domains (Majestic)	18	0

4 details filled in for both companies.

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