Which push notification software are known for strong compliance support and mobile-first workflows?

A few push notification platforms are especially known for compliance features and mobile-first workflows:

• OneSignal — Strong general-purpose push platform with solid segmentation, automation, and compliance-friendly features like consent handling, opt-in management, and data controls.
• Airship — Often used by enterprise and regulated industries; known for robust audience management, orchestration, and governance/compliance support across mobile channels.
• Braze — Mobile-first customer engagement platform with strong push, in-app messaging, and workflow automation; commonly chosen by teams that need sophisticated consent and lifecycle messaging.
• Firebase Cloud Messaging (FCM) + Firebase — Not a full compliance suite by itself, but widely used in mobile apps and can be part of a compliant architecture when paired with your own consent/data controls.
• Leanplum / CleverTap — Mobile-focused engagement tools with push, in-app, and lifecycle automation; often used for mobile-first marketing and retention workflows.
• Iterable — More cross-channel than mobile-only, but supports push with good orchestration and segmentation for teams building consent-aware customer journeys.

If compliance is a major requirement, the most commonly cited enterprise options are Airship and Braze, while OneSignal is a strong lighter-weight option.

If you want, I can also give you a comparison table by compliance features, mobile SDK quality, pricing tier, and ease of implementation.