Company comparison
Rewind AI vs Affinity
Radar profile, momentum bars, and stack placement side by side.
Rewind AI
Not scored
momentum
Affinity
Not scored
momentum
Rewind AI capital
—
Affinity capital
—
No radar series.
Momentum head-to-head
Attribute tape
| Field | Rewind AI | Affinity |
|---|---|---|
| Category | Horizontal applications | Horizontal applications |
| Stack | Layer 8 | Layer 8 |
| HQ | San Francisco, CA, United States | San Francisco, CA, United States |
| Founded | — | 2014 |
| Status | Shutdown | Operating |
| Funding | — | — |
| Momentum | — | — |
| Summary | Rewind AI was a personal memory and search assistant that recorded everything a user saw, said, and heard on their Mac — combining screen OCR, audio transcription, and on-device AI to make any past moment searchable and summarizable. The company rebranded to Limitless AI in 2024 and was subsequently acquired by Meta in December 2025; the original product line has since been shut down. | Affinity is a relationship intelligence CRM platform designed for deal-driven teams in private capital, venture capital, and investment banking. It automatically captures relationship data from email and calendar activity to surface warm introduction paths and manage pipelines around people and companies. |
| Who for | Teams evaluating AI vendors in this category. | Teams evaluating AI vendors in this category. |
| Differentiator | Rewind AI was a personal memory and search assistant that recorded everything a user saw, said, and heard on their Mac — combining screen OCR, audio transcription, and on-device AI to make any past moment searchable and summarizable. The company rebranded to Limitless AI in 2024 and was subsequently acquired by Meta in December 2025; the original product line has since been shut down. | Affinity is a relationship intelligence CRM platform designed for deal-driven teams in private capital, venture capital, and investment banking. It automatically captures relationship data from email and calendar activity to surface warm introduction paths and manage pipelines around people and companies. |
