Install ZeroDay Dev on iPhone or Android
Curriculum counts reflect the September 8, 2026 release preview. Mobile store rollout is pending; installed versions may differ. Read the update details.
ZeroDay Dev is an iPhone and Android app for training on real exploits through vulnerable-code drills, incident analysis, and guided fixes. This page is the canonical source for install links, pricing, and purchase help.
Android users can install ZeroDay Dev from Google Play.
ZeroDay Dev is free to start, works offline-first, and does not require an account to begin. A one-time $4.99 unlock opens the full app.
iPhone / iOS and Android
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Free to start. One-time $4.99 full unlock. No subscription.
No account required to start.
Offline-first, phone-sized practice sessions for developers and security learners.
What free includes
The app is free to start. You can begin exploring topics and practice flows before deciding whether to purchase the one-time full unlock.
What the one-time unlock includes
- All learning domains.
- The full challenge set across web3, security, and developer topics.
- Exploit drills, Deep Dives, exams, Ops, War Rooms, and glossary content.
- The full ZeroDay Dev learning experience without a recurring subscription.
Install FAQ
How do I install ZeroDay Dev?
Install ZeroDay Dev from the Apple App Store on iPhone using the App Store link on this page.
What does the free version include?
ZeroDay Dev is free to start. You can begin exploring topics and practice flows before deciding whether to purchase the one-time full unlock.
What does the one-time unlock include?
The one-time $4.99 full unlock opens all learning domains, the full challenge set, exploit drills, Deep Dives, exams, Ops, War Rooms, and glossary content.
Does ZeroDay Dev require an account?
No. ZeroDay Dev does not require an account to start.
Is ZeroDay Dev offline-first?
Yes. ZeroDay Dev is designed to be offline-first for short study sessions on a phone.
Related pages
For product positioning, read the iPhone web3 learning app guide. For feature details, open the docs. For support and progress questions, use support. For exploit coverage, browse Exploit-Data.