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Globber
Block spam calls by pattern, not by number
Globber is a free, open-source Android call blocker that screens by pattern — prefixes, wildcards, regex — before your phone rings. Five match types, reject/silence/voicemail actions, block log. No INTERNET permission, no ads, no accounts. 100% on-device. MIT.
Hey Product Hunt 👋
I get spam calls every day. They never come from the same number twice — the same scam burns through +1 800 555 0101, 0102, 0103… and my carrier's blocklist adds them one at a time, always behind.
So I thought: why am I blocking numbers when I could block the shape? One rule — 1900* — kills the whole prefix. *0000 drops every sequential robo-dialer. Regex for the rest.
Globber is a free, open-source Android app built on the system CallScreeningService:
• Five match types — exact, starts-with, contains, ends-with, regex
• Screened before it rings — Android hands the caller ID to Globber, not the other way around
• Reject, silence, or voicemail — pick the action per rule
• Block log — every screened call, grouped by day, searchable
• JSON backup — export and import your rules
It has no INTERNET permission. Literally can't phone home. No analytics, no ads, no accounts. Everything stays on your device.
Grab the signed APK from GitHub Releases. Android 10+. I'd love to hear what patterns you'd write first!
About Globber on Product Hunt
“Block spam calls by pattern, not by number”
Globber was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #118 on the daily leaderboard. Globber is a free, open-source Android call blocker that screens by pattern — prefixes, wildcards, regex — before your phone rings. Five match types, reject/silence/voicemail actions, block log. No INTERNET permission, no ads, no accounts. 100% on-device. MIT.
On the analytics side, Globber competes within Android, Productivity, Open Source and GitHub — topics that collectively have 831.8k followers on Product Hunt. The dashboard above tracks how Globber performed against the three products that launched closest to it on the same day.
Who hunted Globber?
Globber was hunted by Swalahu cv. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Globber including community comment highlights and product details, visit the product overview.
Swalahu cv