Notion Labs vs Limitless AI (formerly Rewind AI)
Notion Labs vs Limitless AI (formerly Rewind AI), compared side by side on 20 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Notion Labs is on 67/100 and Limitless AI (formerly Rewind AI) on 50/100.
Where each one leads
Notion Labs
- our overall score: 67/100 against 50/100
- agent readiness: 53/100 against 27/100
- domain rating: 88/100 against 70/100
- funding raised: $525M against $12.0M
Limitless AI (formerly Rewind AI)
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Notion Labs | Limitless AI (formerly Rewind AI) |
|---|---|---|
| What it is | AI assistant integrated into Notion for writing, summarizing, brainstorming, and streamlining workflows within the workspace. | A privacy-first AI app that records everything you've seen, said, or heard on your Mac, making it searchable and summarizable. |
| Category | AI, SaaS, Productivity, Collaboration | AI, SaaS, Productivity |
| Sells toBusiness model | B2B | B2C |
| Offering | Software | Software |
| Founded | 2016 | 2022 |
| Headquarters | San Francisco, United States | New York, United States |
| Status | Active | Inactive |
Size, funding and growth
| Measure | Notion Labs | Limitless AI (formerly Rewind AI) |
|---|---|---|
| Employees | 5,835 | Not published |
| Total funding | $525M | $12.0M |
| Latest round | Series E | Series A |
| Valuation | $12B | $350M |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Notion Labs | Limitless AI (formerly Rewind AI) |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 67/100 | 50/100 |
| Traction | 60/100 | 35/100 |
| Team | 60/100 | 30/100 |
| Community | 8/100 | Not published |
| Search visibility | 24/100 | 14/100 |
| Quality | 86/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (53/100) | F (27/100) |
| Domain ratingLink authority, 0-100 | 88/100 | 70/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Notion Labs | Limitless AI (formerly Rewind AI) |
|---|---|---|
| Hosting | Vercel | Vercel |
| CDN | Cloudflare | Cloudflare |
| CMS | Ghost | Not detected |
| Frameworks | Next.js, Tailwind CSS | Next.js, Tailwind CSS |
| Analytics | Not detected | Google Tag Manager |
Notion Labs vs Limitless AI (formerly Rewind AI): common questions
Which is better, Notion Labs or Limitless AI (formerly Rewind AI)?
On our 0-100 score Notion Labs rates higher (67/100 against 50/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 20 data points above: read the rows that match what you are buying for.
How do Notion Labs and Limitless AI (formerly Rewind AI) compare on the numbers?
Notion Labs leads on our overall score (67/100 against 50/100), agent readiness (53/100 against 27/100), domain rating (88/100 against 70/100), funding raised ($525M against $12.0M).
Read the full Notion Labs review and pricing or the Limitless AI (formerly Rewind AI) review and pricing. You can also browse other Notion Labs alternatives we track.

