User Feedback Made Simple

Lightweight SDK for mobile apps. Collect, manage, and prioritize user feedback with Certificate Pinning, automated security updates, and GDPR compliance.

Swift

// Configure once at app startup
let configuration = GrenFeedback.Configuration(
    apiKey: "your_api_key",
    userId: "user_123"
)
GrenFeedback.shared.configure(with: configuration)

// Collect feedback from anywhere in your app
GrenFeedback.shared.sendFeedback(
    GrenFeedback.Feedback(
        title: "Feature request",
        description: "Add dark mode support",
        categoryId: "feature_request"
    )
)

Everything Your Team Needs

Production-ready features designed for engineering teams that value security and user feedback

Native SDKs

Lightweight SDKs for iOS (Swift) and Android (Kotlin). Ship in minutes.

Multi-tenant Architecture

Enterprise-grade isolation. Secure data segregation between organizations by design.

Voting & Prioritization

Built-in voting system. Let your users prioritize features democratically.

Certificate Pinning

Advanced security with automated certificate updates. Prevent MITM attacks with RSA-signed responses.

Developer-Friendly API

Complete REST API with TypeScript types. Integrate with your existing tools.

Cloud-Native Scalability

Built on Firebase infrastructure. Auto-scales from prototype to production.

Coming soon

Scale Your Engineering Organization

Unlock enterprise-grade capabilities designed for growing development teams

Unlimited projects

Scale your product portfolio without restrictions

Unlimited feedback

Collect feedback at scale with no volume limits

Priority support

Direct access to engineering support

Advanced webhooks

Custom integrations with your existing tools

Join the Waitlist

Create your free account today. Get notified when enterprise plans launch. Meanwhile, enjoy full access to core features with no time limits.

🔒 No credit card required · 2-minute setup

Built by Developers, for Developers

Hear from engineering teams who have integrated GrenFeedback into production apps

"Swift SDK integration was incredibly simple. Three lines of code and I was collecting user feedback. The technical documentation is excellent and covers all edge cases."

Alex Chen

Senior iOS Developer

"As a developer, I appreciate how lightweight the SDK is. It adds minimal overhead to the app and the setup is straightforward. Finally, an SDK that understands developer needs."

Sarah Johnson

Full Stack Developer

"The API is intuitive and well-designed. Integrating feedback into Android was a matter of minutes. Data types are well-defined and the documentation covers all use cases."

Miguel Torres

Mobile Developer

Ready to Ship Better Products?

Frequently Asked Questions

Everything you need to know about GrenFeedback

What is GrenFeedback?

GrenFeedback is a lightweight mobile feedback SDK platform designed for iOS and Android developers. It provides native Swift and Kotlin SDKs to collect, manage, and prioritize user feedback directly from mobile applications.

How do I integrate GrenFeedback into my mobile app?

Integration is simple. For iOS, add the Swift SDK via Swift Package Manager. For Android, add the Kotlin SDK via Maven Central. Configure the SDK with your API key and start collecting feedback in minutes.

Is GrenFeedback secure?

Yes, GrenFeedback includes advanced security features including certificate pinning with automated updates, RSA-signed responses to prevent MITM attacks, multi-tenant architecture with data isolation, and GDPR compliance.

What platforms are supported?

GrenFeedback provides native SDKs for iOS (Swift, iOS 15+) and Android (Kotlin, API 21+). We also offer a REST API for web integrations and webhooks for real-time notifications.

How much does GrenFeedback cost?

GrenFeedback offers a free tier with essential features. Paid plans start with transparent pricing based on your needs. Enterprise plans are available for large organizations with custom requirements.

Can I customize feedback categories?

Yes, you can create custom feedback categories with custom colors and settings. Categories can be public or private, and you can enable voting on public categories to let users prioritize features.

Does GrenFeedback support webhooks?

Yes, GrenFeedback supports webhooks with HMAC-SHA256 signature verification. You can receive real-time notifications for feedback events, API key events, and project updates.

Is there a rate limit?

Rate limits depend on your plan tier. Free tier includes generous limits for development and small apps. Higher tiers offer increased limits and priority support.