Signal Ark: SETI Explorer
Explore Cosmic Radio Signals
About
Explore cosmic radio signals and learn about radio astronomy. Analyze signal packages, track anomalies, and build your own exploration archive. Discover the science behind searching the cosmos.
What's New in Signal Ark
1.3
September 21, 2026
Seven new deep-space images added to the Cosmic Gallery — Alpha Centauri, colliding galaxies, the Southern Pinwheel, the Bullseye Galaxy, the Beehive Cluster, and more — each with full source credit. Real streaks and badges: build a daily streak, earn badges for lessons, journal entries, and field reports, and watch live progress bars fill in the Academy. Optional daily reminder so you don't miss a new signal package — on-device only, no account required. Share your candidate reports, signal detail views, and journal entries as images. Smaller fixes and polish throughout. Wonder is allowed. Certainty is earned.
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Monthly Access
Full premium access to Signal Ark
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FAQ
What is Signal Ark's learning methodology?
Signal Ark uses structured lessons within the SETI Academy to teach the foundations of cosmic signal analysis. It covers how radio telescopes work, the purpose of cosmic searches, identifying candidate signals, and the importance of validation.
How does Signal Ark track user progress?
Users can save signals that interest them in their Cosmic Journal, write notes, and build a personal archive of their explorations. This allows for self-directed progress tracking and review of findings.
Does Signal Ark offer certifications?
The provided information does not mention any formal certifications offered by Signal Ark. The focus is on educational exploration and personal archiving of discoveries.
What is the free trial period for Signal Ark's subscription?
Signal Ark offers a 3-day free trial for its Monthly Access subscription. This allows users to explore premium content and features before committing to a paid plan.
How can I cancel my Signal Ark subscription?
Subscriptions for Signal Ark can be canceled through your Apple Account subscription settings. The subscription will automatically renew unless canceled prior to the renewal date.
What are the different tiers of Signal Ark's subscription?
The app offers 'Monthly Access' as an optional auto-renewable subscription. The description does not detail other subscription tiers or differences between them.
Does Signal Ark have ads?
No, Signal Ark is ad-free and does not feature any advertising or behavioral tracking. The developers prioritize user privacy.
Is Signal Ark safe for younger users?
Signal Ark is rated for ages 4+ and is designed with privacy in mind, avoiding advertising and tracking. Its educational content focuses on scientific principles.
