Smart Responses
AI-powered reply suggestions that learn your style. Respond naturally in seconds, not minutes.
APP STARTER
Safety
Security, privacy, and trust sections for users who need reassurance.
Privacy-first
Your privacy comes first
We believe your conversations are yours alone. Spark uses military-grade encryption and a zero-knowledge architecture so nobody — not even us — can read your messages.
- End-to-end encryption on every message
- Zero-knowledge architecture — we can't read your data
- GDPR and CCPA compliant worldwide
- Disappearing messages with custom timers
Messages are end-to-end encrypted
Voice calls
Encrypted
Secured
Text messages
Encrypted
Secured
Media & files
Encrypted
Secured
Independently audited by security experts
Everything you need in one app
Spark brings together the best communication tools so you can connect, collaborate, and express yourself freely.
Natural Language
Real-time translation across 40+ languages. Chat with anyone, anywhere, without language barriers.
Emotion Detection
Understand the tone behind messages with intelligent sentiment analysis and emoji suggestions.
End-to-End Encryption
Every message is encrypted from device to device. Your conversations stay private, always.
Group Conversations
Create groups with up to 500 members. Organize with topics, polls, and shared media libraries.
Cross-Platform Sync
Seamlessly switch between phone, tablet, and desktop. Your messages follow you everywhere.
FAQ
Frequently asked questions
Is Spark really free to use?
Yes! The free plan includes 1-on-1 messaging, voice calls, and 1GB of file storage. It's perfect for personal use and staying connected with friends and family. No credit card required.
Can I switch between plans?
Absolutely. Upgrade or downgrade anytime from your account settings. When upgrading, you'll be prorated for the remaining time. When downgrading, you keep Pro features until the end of your billing cycle.
How secure are my conversations?
All messages and calls are protected with end-to-end encryption. We can't read your messages, and neither can anyone else. Pro and Team plans include additional security features like SSO and compliance logs.
Which platforms does Spark support?
Spark is available on iOS, Android, macOS, Windows, and the web. All your conversations sync instantly across devices, so you can pick up right where you left off.
Can I use Spark for my business?
Yes! Our Team plan is designed for businesses and organizations. It includes admin controls, SSO integration, compliance features, and a dedicated account manager to help you get set up.
What happens to my data if I cancel?
You own your data, always. Export your conversations, contacts, and files at any time. After cancellation, your data is retained for 30 days before permanent deletion.
Download
Download our free app and join over 200,000+ people
Available on all your devices. Start chatting in seconds, not minutes. Your conversations, everywhere you go.
1M+ downloads
4.9 rating
180+ countries
E2E encrypted