Quick Decision Guide
Choose .app if:
- • You're building mobile or web applications
- • You want crystal clear app association
- • Security (HTTPS) is important to you
- • You prefer Google's backing and support
Choose .io if:
- • You're building a tech startup or SaaS
- • You want established tech credibility
- • Your project targets developers
- • You're seeking VC funding or investment
Pricing Comparison at namepick.co
App Focused
.app Domain
Google-Backed
.app costs £32 less per year than .io
Key Differences to Consider
.app Advantages:
- Perfect clarity - everyone knows it's an app
- Google-backed with strong support
- Built-in HTTPS security requirement
- Much more affordable pricing
.io Advantages:
- Legendary status in tech community
- Recognized by VCs and investors
- Broader tech applications beyond apps
- Developer community preference
Perfect Use Cases for Each Extension
.app is Perfect For:
- Mobile Apps:
iOS, Android, cross-platform applications
- Web Applications:
Progressive web apps, SPA applications
- Consumer Apps:
Gaming, social, productivity apps
- App Showcases:
Portfolio sites for app developers
.io is Perfect For:
- SaaS Platforms:
Software-as-a-service applications
- Developer Tools:
APIs, SDKs, development platforms
- Tech Startups:
Companies seeking VC funding
- Tech Communities:
Open source projects, hackathons
Security and Technical Considerations
.app Security Features:
- • HTTPS required for all .app domains (built-in security)
- • Protected by HSTS (HTTP Strict Transport Security)
- • Google's strong infrastructure and support
- • Better protection against man-in-the-middle attacks
.io Security Notes:
- • HTTPS optional (you can choose HTTP or HTTPS)
- • Standard domain security measures
- • Requires manual SSL certificate setup
- • Flexible security implementation
.app provides built-in security by default, while .io gives you flexibility to implement security as needed.
Target Audience and Market Appeal
.app Appeals To:
- General consumers and app users
- Mobile-first audiences
- Security-conscious users
- Mainstream app store visitors
.io Appeals To:
- Developers and technical audiences
- Investors and VCs
- Tech industry professionals
- Early adopters and tech enthusiasts