Skip to main content

Is expo.dev a Scam? Security Check Results - Expo

expo.dev favicon

Is expo.dev Safe? Security Analysis for Expo

https://expo.dev

Check if expo.dev is a scam or legitimate. Free security scan and reviews.

TechnologyN/alarge
JavaScriptReactReact NativeNext.jsStripe+6 more
Analyzed 7/28/2025Completed 6:13:39 AM
69
Security Score
MEDIUM RISK
Exclusive insights unlocked

Unlock the complete security report for expo.dev

Get full access to AI recommendations, compliance evidence, vulnerability remediation steps, and downloadable PDF reports. Upgrade once for lifetime access to this scan.

Full Report Access

All modules, AI insights, PDF download

39.90 €one-time • Incl. 21% VAT

Marketing Intelligence

Contact emails, phone numbers & warm leads

49.90 €one-time • Incl. 21% VAT

How it works

  1. Enter your email to receive the unlocked report.
  2. Complete the secure EveryPay checkout (cards & local methods supported).
  3. You’ll receive an email with your unique unlock code and the PDF export.

Already purchased?

Order summary

Domainexpo.dev
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.

SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

AI Summary

Expo is a well-established open-source platform that enables developers to build universal native apps for Android, iOS, and the web using JavaScript and React. It offers a comprehensive ecosystem including development t… Unlock the full Guard report to read the complete analysis.

Detected Technologies

JavaScriptReactReact NativeNext.jsStripeGoogle reCAPTCHABugsnagRudderStackHubSpotLinkedIn Insight TagGoogle Tag Manager
Continuous monitoring

Keep expo.dev under constant watch

Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.

Security drift alerts

Risk score drops, new high-severity issues, and header hardening gaps

Compliance watch

GDPR / NIS2 posture changes with governance evidence snapshots

Infrastructure surface

Unexpected open services, SSL expiry, DNS & email authentication changes

Content & tracker intelligence

Marketing tech shifts, analytics drift, and AI recommendation updates

25 €
per month · billed securely via EveryPay

Cancel anytime. Alerts sent to the contacts you choose. Unlock the full report to view historical timelines and alerts.

Unlock the full Guard report to view the monitoring timeline, JSON diffs, and alert history for expo.dev.

Security Headers

4 findings

60/100

GDPR Compliance

3 findings

68/100

NIS2 Compliance

9 findings

2/100

Email Security

6 findings

75/100

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Snapshot shown below. Unlock the full AI report for complete market insights, audience profiling, and step-by-step recommendations.

Business Intelligence

Market & Strategic Analysis

Expo occupies a leading position in the mobile app development ecosystem, targeting developers who build native apps with React Native. Its open-source model combined with professional services and deployment solutions creates diversified revenue streams. The platform's integration with popular tools and trusted by major companies indicates strong market acceptance and growth potential. The business model focuses on developer productivity and streamlined app deployment, supported by a vibrant community and extensive documentation. Strategic partnerships and a robust technical infrastructure underpin its competitive advantage.

Security Posture Analysis

Comprehensive Security Assessment

The website demonstrates a mature security posture with HTTPS, comprehensive security headers, and bot protection mechanisms. Use of third-party services like Bugsnag and Google reCAPTCHA enhances monitoring and security. No vulnerabilities or exposed sensitive data were detected in the analyzed content. However, the absence of a published security policy, incident response contacts, and vulnerability disclosure program indicates areas for improvement in transparency and readiness. Compliance with GDPR and other privacy regulations is not clearly communicated, which could pose risks in regulated markets.

Strategic Recommendations

Priority Actions for Security Improvement

1

Upgrade to the full Guard report to access tailored remediation steps.

Observations

AI-powered comprehensive website and business analysis.

A preview of your strategic observations is visible. Upgrade to unlock the full competitive positioning, trust signals, and branding checklist.

AI-Enhanced Website Analysis

Business Insights

Company:

Expo

Description:

Expo is an open-source platform for making universal native apps for Android, iOS, and the web with JavaScript and React. It offers an ecosystem of tools that help developers write, build, update, submit, and monitor mobile apps. The platform supports app store submission, developer tools integration, and application services to help ship apps faster.

Key Services:
Universal native app developmentEnd-to-end deployment solution (EAS Hosting)Build and submit app store-ready buildsFast refresh and live updatesDeveloper collaboration and review toolsDashboards for build and deployment management
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
JavaScriptReactReact NativeNext.jsStripeGoogle reCAPTCHABugsnagRudderStackHubSpotLinkedIn Insight TagGoogle Tag Manager
Frameworks:
ReactNext.js
Platforms:
WebAndroidiOS
Performance:

fast

Mobile:

excellent

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
90/100
Best Practices:
  • HTTPS enforced
  • Use of security headers
  • Use of Google reCAPTCHA for bot protection
  • Bug tracking with Bugsnag
  • No exposed sensitive data detected

Analytics & Tracking

Services:
HubSpot AnalyticsGoogle Analytics (via GTM)RudderStack
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Tracking Pixels:
HubSpotLinkedIn Insight TagFacebook PixelReddit Pixel
Marketing Tools:
HubSpotRudderStack
Transparency Level:basic

Website Quality Assessment

Design Quality:excellent
User Experience:excellent
Content Relevance:excellent
Navigation Clarity:excellent
Professionalism:excellent
Trustworthiness:high

Key Observations

1

Website is fully accessible with rich content and professional design.

🛡️Security Headers

HTTP security headers analysis and recommendations.

Some header findings are shown. Unlock to see the full checklist, impacted endpoints, and remediation guidance.

Security Headers

HTTP security headers analysis

60/100
Score

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load Unlock the full report to read the complete fix.

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended) Unlock the full report to read the complete fix.

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests Unlock the full report to read the complete fix.

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs Unlock the full report to read the complete fix.

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

Preview of GDPR checkpoints is visible. Unlock to reveal full evidence, policy excerpts, and DPIA guidance.

GDPR Compliance

Privacy and data protection assessment

68/100
Score

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage Unlock the full report to read the complete fix.

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR Unlock the full report to read the complete fix.

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements Unlock the full report to read the complete fix.

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy0% confidence
Contact Information Found90% confidence
phone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

You can see headline NIS2 checks. Upgrade to access the full control mapping, severity breakdown, and remediation plan.

NIS2 Compliance

Network & Information Security Directive

2/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures Unlock the full report to read the complete fix.

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure Unlock the full report to read the complete fix.

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management Unlock the full report to read the complete fix.

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans Unlock the full report to read the complete fix.

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity Unlock the full report to read the complete fix.

No security contact information

HIGH

NIS2 requires clear incident reporting channels Unlock the full report to read the complete fix.

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure Unlock the full report to read the complete fix.

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts Unlock the full report to read the complete fix.

Critical sector without clear security compliance

HIGH

Detected sectors: energy, transport, digital Unlock the full report to read the complete fix.

📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Quick view of email authentication checks is provided. Unlock to uncover full DNS evidence, record diffs, and fix scripts.

Email Security

SPF, DKIM, and DMARC validation

75/100
Score

Complex SPF record

LOW

Too many include statements can cause lookup limits Unlock the full report to read the complete fix.

No DMARC reporting

LOW

DMARC aggregate reports not configured Unlock the full report to read the complete fix.

Strict DMARC Alignment

LOW

Strict alignment may cause legitimate emails to fail Unlock the full report to read the complete fix.

No BIMI Record

LOW

BIMI displays brand logos in email clients Unlock the full report to read the complete fix.

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery Unlock the full report to read the complete fix.

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues Unlock the full report to read the complete fix.

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 include:_spf.google.com include:sendgrid.net include:servers.mcsv.net include:stspg-customer.com include:22007177.spf04.hubspotemail.net -all
DNS Lookups:5/10
Policy:-all
DKIM Selectors Found
Selector:google(1416-bit rsa)
Selector:k2(1416-bit rsa)
Selector:s1(1440-bit rsa)
DMARC Details
Policy:quarantine

🏆SSL/TLS Security

Certificate validity and encryption analysis.

This is a teaser of the TLS audit. Unlock to view certificate chains, cipher support tables, and remediation steps.

SSL/TLS Security

Certificate validity and encryption analysis

75/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 39 days Unlock the full report to read the complete fix.

Weak SSL Key Length

HIGH

SSL certificate uses 256-bit key, which is considered weak Unlock the full report to read the complete fix.

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints Unlock the full report to read the complete fix.

Certificate Details

Subject:expo.dev
Issuer:WE1
Valid Until:9/5/2025 (39 days)
SANs:expo.dev, *.expo.dev

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

Unlock the full DNS posture audit to reveal misconfigurations, zone records, and actionable fixes.

DNS Health

DNS configuration and security assessment

90/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain Unlock the full report to read the complete fix.

DNS Records

A Records:104.18.4.104, 104.18.5.104
AAAA Records:2606:4700::6812:468, 2606:4700::6812:568
Name Servers:
dale.ns.cloudflare.comDNS only
lucy.ns.cloudflare.comDNS only
MX Records:
5: alt2.aspmx.l.google.com
5: alt1.aspmx.l.google.com
10: alt4.aspmx.l.google.com
10: alt3.aspmx.l.google.com
1: aspmx.l.google.com
SOA:Serial: 2378878014, TTL: 1800s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:63ms

SPF Analysis

SPF Record:
v=spf1 include:_spf.google.com include:sendgrid.net include:servers.mcsv.net include:stspg-customer.com include:22007177.spf04.hubspotemail.net -all

Network Security

Port scanning and network exposure analysis.

See a glimpse of exposed services. Unlock to access full port inventories, CVE lookups, and mitigation priorities.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports Unlock the full report to read the complete fix.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Unlock to view the complete technical breakdown, stack fingerprinting, and hardening checklist.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

Unlock the full Guard report to review the complete technical breakdown and AI recommendations.
⭐ Verified Community Reviews

What others say about expo.dev

Share your experience to help others make informed decisions. We verify every review by email and publish it once our moderation team approves it.

Overall rating
Select a rating
4000 characters remaining

We’ll email you to confirm your review and keep your details private.

Community rating

out of 5

0 reviews published

Loading reviews…

How did we do?

Your feedback directly shapes our roadmap. Rate the quality of this report, leave an optional comment, and let us know if you want our security specialists to follow up.

Overall report quality
Select a rating
2000 characters remaining

We only use your feedback to improve Guard reports. Contact details are never shared.

Analyze Another Website