Pairio alternatives
TL;DR: 12 companies doing similar work to Pairio in B2B, ranked by how closely they match what Pairio actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Pairio. They are scored on how closely their own description overlaps with Pairio's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Pairio?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| Parse | Parse is the easiest way to build apps. | Summer 2011 | 11 | Acquired |
| Optilly/Installmonetizer | Fb ad optimization platform | Winter 2012 | 11 | Inactive |
| Aemon | The Forward-Deployed AI Research Engineer | Winter 2026 | 3 | Active |
| Brushes | iPad drawing software. | Summer 2010 | — | Inactive |
| HackerRank | Change the world to value skills over pedigree | Summer 2011 | 300 | Active |
| Realm | Better data structures = no DB. | Summer 2011 | 51 | Acquired |
| Swiftype | Smart search for the modern team. | Winter 2012 | 50 | Acquired |
| OneSignal | Engage customers through personalized omni-channel messaging | Summer 2011 | 150 | Active |
| The Muse | The Muse is values-based job search & hiring for 7M+ monthly | Winter 2012 | 60 | Inactive |
| Hipmob | Customer communication for iOS and Android developers - an in-app… | Winter 2012 | 2 | Inactive |
Is Pairio still active?
Pairio is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Pairio. They are then ranked on how closely their own description overlaps with Pairio's, so the closest matches come first rather than whoever happens to share a tag.