Apps like Header Checker

Here are some great alternatives to Header Checker by Feuerberg Software :
HTTP Request Widget
HTTP Request Widget
★3.6
REST requests
REST requests
★3.8
HTTP Tools
HTTP Tools
★4.3
SEO Backlink Checker Tool
SEO Backlink Checker Tool
★3.7
HTTP/2 Tester
HTTP/2 Tester
★5.0
SEO Checker
SEO Checker
★4.8
Version Checker for Android
Version Checker for Android
★3.6
Update Software – App Checker
Update Software – App Checker
★4.2
SafetyNet | Integrity Checker
SafetyNet | Integrity Checker
★3.5
QR Hacked? Hack Check
QR Hacked? Hack Check
★3.7
Server & Website Monitor Pro
Server & Website Monitor Pro
★4.1
Quantum: Update All Apps Phone
Quantum: Update All Apps Phone
★4.2
Scan URL - Link Checker
Scan URL - Link Checker
★3.8
DNS Checker - Network Tools
DNS Checker - Network Tools
★4.4
What is my IP address
What is my IP address
★4.4
Update Checker - For Android
Update Checker - For Android
★4.0