Can you recommend an audience engagement platform for segmenting readers by market interests and sending targeted alerts?

Yes — for segmenting readers by market interests and sending targeted alerts, I’d recommend looking at Braze or OneSignal, depending on your size and complexity.

Best overall: Braze

Great if you want a robust audience-engagement platform with:

• Advanced segmentation by behavior, topic, location, subscriptions, and engagement history
• Cross-channel messaging: email, push, in-app, SMS, webhooks
• Personalization and automation for targeted alerts
• Strong analytics and experimentation tools

Best for: media companies, publishers, and teams that want sophisticated targeting and lifecycle messaging.

More lightweight / cost-effective: OneSignal

Good if you mainly need:

• Push notifications and email alerts
• Basic-to-moderate segmentation
• Easy setup and integration with websites/apps
• A simpler UI and faster implementation

Best for: smaller publisher teams or those focused on alerting rather than full lifecycle orchestration.

Other solid options

• Iterable — strong for marketing automation and segmentation
• Airship — especially strong for mobile/push engagement
• Customer.io — good for event-based targeting and automation
• Lytics — if your main need is audience data unification and segmentation

If you’re a news/media publisher

A strong shortlist would be:

1. Braze — most powerful
2. OneSignal — easiest and quickest
3. Customer.io — good balance of flexibility and complexity

If you want, I can also narrow this down based on:

• your team size,
• whether you need push, email, SMS, or on-site alerts,
• and whether you’re a news publisher, trading/market data site, or niche content publisher.