Push / In-app Messaging SDK
The clearest split is that OneSignal has a free tier while Braze does not. OneSignal is Push notification, in-app messaging, email, and SMS platform with 2M+ apps using free tier; Braze is Customer engagement platform with push, in-app messages, email, SMS, WhatsApp, and Canvas journey orchestration. The data points OneSignal at mobile app engagement and user lifecycle messaging, and Braze at mobile app engagement and user lifecycle messaging. Pricing: OneSignal is subscription from $0/mo; Braze is subscription from $10. Lock-in is medium for OneSignal and high for Braze, with DX at 5/5 vs 5/5 and transparency at 5/5 vs 1/5. On listed strengths, OneSignal emphasises mobile app engagement and user lifecycle messaging, and Braze emphasises mobile app engagement and user lifecycle messaging. Both offer an enterprise tier for larger rollouts. Honest trade-off: neither fits web-only products without mobile, so if that is your context, look elsewhere; otherwise pick on the pivotal factor above and the DX score that matters most to your team.
Quick take
OneSignal is for mobile; Braze is for mobile; decide based on whether a free tier matters.
| |  Braze | |
|---|---|---|
| Category | Push / In-app Messaging SDK | Push / In-app Messaging SDK |
| Pricing Model | subscription | subscription |
| Entry Price | $0/mo | $10 |
| Free Tier | Yes | No |
| Billing Complexity | — | — |
| Developer Experience | 5/5 | 5/5 |
| Pricing Transparency | 5/5 | 1/5 |
| Lock-in Level | medium | high |
| Migration Complexity | — | — |
| Data Portability | — | — |
| Enterprise | Available | Available |
| GitHub Stars | — | 124 |
| License | — | NOASSERTION |
Choose OneSignal if you want to start on a free tier before paying and your workload matches mobile. Skip it if your context is web-only products without mobile.
Not for: Web-only products without mobile
Choose Braze if starting on a paid subscription upfront is acceptable and your workload matches mobile. Skip it if your context is web-only products without mobile.
Not for: Web-only products without mobile
Check each tool's dedicated page for deeper reviews, setup notes, and pros/cons.
Listed entry pricing is $0/mo for OneSignal and $10 for Braze. OneSignal offers a free tier while Braze does not, so initial cost favors OneSignal. Total cost at scale depends on usage and plan details that are not in this dataset, so confirm with each vendor.
OneSignal is tagged with medium lock-in (sdk integration, exportable users). Braze is tagged with high lock-in (engagement platform, deep user data). At least one side is high lock-in, so budget migration time for re-implementing integrations.
Both are rated 5/5 for developer experience in this dataset. With equal scores, the choice comes down to the specific SDK surface and docs you will use day to day. Run a short spike on each before deciding.
Yes for teams whose workload matches mobile, since both list the same fit. Braze is flagged as not for web-only products without mobile, so confirm your context does not fall there. Note that moving from OneSignal to Braze means leaving a free tier behind.
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