Firebase SDKs vs OneSignal
Firebase SDKs
firebase.google.com
OneSignal
onesignal.comSide by side
| Figure | Firebase SDKs | OneSignal |
|---|---|---|
| Price from | — | $19/mo |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 0 | 4 |
| Spec score · Sdk | 6.0 (#12) | 8.9 (#2) |
Plans
OneSignal
- FreeFree
- Growth$19 a month
- ProfessionalPrice not published
- EnterprisePrice not published
In their own words
Firebase SDKs
Firebase SDKs has no write-up on Specifiction yet; its figures are above.
OneSignal
OneSignal is a messaging platform for reaching audiences through mobile and web push, email, in-app messaging, RCS, SMS and Live Activities. It also provides audience segmentation, automation, analytics and a visual journey builder. SDKs are available for Android, iOS, Flutter, React Native, Expo and Unity, and the service connects with analytics tools, customer data platforms, warehouses and CRMs. An API is included, with unlimited message-delivery API send access across plans. The Free plan costs $0 per month and includes all channels, basic automation and analytics, AI and MCP, and basic personalization. It includes 20,000 free email sends monthly; additional sends cost $1.50 per 1,000. Growth starts at $19 per month, plus usage fees, and is billed month-to-month. Professional and Enterprise use annual contracts with custom pricing. Growth customers can change plans or downgrade to Free at any time without penalty. OneSignal is available on web, Windows, macOS, iOS and Android.