OneSignal alternatives
TL;DR: 12 companies doing similar work to OneSignal in B2B, ranked by how closely they match what OneSignal 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 OneSignal. They are scored on how closely their own description overlaps with OneSignal's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to OneSignal?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| PetaSales | — | Winter 2009 | 2 | Inactive |
| AdThrow | — | Summer 2009 | — | Inactive |
| Locent | Locent is an automated messaging platform for companies | Summer 2015 | 11 | Inactive |
| Fithub | — | Winter 2010 | — | Inactive |
| Insoshi | — | Winter 2008 | — | Inactive |
| ShopWith | ShopWith is mobile QVC for GenZ. | Summer 2018 | 3 | Inactive |
| Optilly/Installmonetizer | Fb ad optimization platform | Winter 2012 | 11 | Inactive |
| Avalanche | Referral program SDK for startups | Winter 2019 | 1 | Inactive |
| Apten | Omnichannel AI agents that engage leads across SMS, voice, and email | Summer 2024 | 6 | Active |
| Infoharmoni | — | Winter 2010 | 2 | Inactive |
| TapEngage | Touch-friendly marketing, acquired by Dropbox | Summer 2011 | 2 | Acquired |
| Marketfox | Marketing automation platform optimized for mobile and web. | Winter 2017 | 2 | Inactive |
Is OneSignal still active?
OneSignal 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 OneSignal. They are then ranked on how closely their own description overlaps with OneSignal's, so the closest matches come first rather than whoever happens to share a tag.