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Psst vs Who's Calling + SPAM Guard

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Psst compared with Who's Calling + SPAM Guard
DetailPsst logo Psst Who's Calling + SPAM Guard
What it doesOne tap says thinking of you Android call screening app that reads unknown callers live while your phone rings
StageNot given Not given
FoundedNot given Not given
Based inNot given AU
Pricing modelFreemium Paid
PricingFree app with optional Psst+ one-time purchase One-time purchase per country with minute-based pricing shown in local currency on Google Play. 10-minute free trial in US, Canada, Puerto Rico, Australia, Chile, Israel, Mexico; small one-off fee elsewhere. Top-up minute packs available.
Key features
  • Reply directly from notification without opening app
  • Streak counter that activates after three days
  • Same moment notification when both psst within 10 seconds
  • Super Psst with double whisper and screen shake (one free daily)
  • Invite link system for non-users (valid for 7 days)
  • Control Center and Lock Screen buttons
  • Block and report functionality with one hold
  • Live transcripts of unknown callers while phone rings
  • Real-time cross-language translation in 56 languages
  • Spam risk scoring and global spam database
  • AI assistant answers calls and identifies callers
  • Custom business greeting for incoming calls
  • Dual SIM support with independent settings
  • Call screen customization with 144 design options
  • On-device translation with no data upload
What makes it different
  • Privacy-first design with no contacts, location, or photos collection
  • Messages automatically deleted after 30 days
  • Customizable whisper word in Psst+ (boop, hey, oi, yo, etc)
  • One-time Psst+ purchase for unlimited features
  • Complete privacy with no data sharing or ads
  • Works on any Android phone including Samsung, Motorola, Oppo, Pixel
  • Real-time multilingual transcription and translation
  • Conditional call forwarding preserves normal calling patterns
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)11 +1 (up) since last check11 +7 (up) since last check
Trust Flow (Majestic)57
Citation Flow (Majestic)2016
Referring domains (Majestic)146

5 details filled in for both companies.

More alternatives to Psst More alternatives to Who's Calling + SPAM Guard

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