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OTPfill vs BasaltLabs

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

OTPfill compared with BasaltLabs
DetailOTPfill logo OTPfillBasaltLabs logo BasaltLabs
What it doesAutofill OTP codes from your email Desktop anti-detect browser with isolated profiles, unique fingerprints, per-profile proxies, and local AI automation
StageNot given Not given
FoundedNot given Not given
Based inUS GB
Pricing modelPaid Paid
PricingFree for 7 days, then $29 one-time payment. Includes two inboxes and updates. Unlimited inboxes available for $5 per month. Starter Plus: $5.99/month (billed $71.88 yearly) for 5 profiles. Lite: $10.99/month (billed $131.88 yearly) for 10 profiles. Pro: $21.99/month (billed $263.88 yearly) for 50 profiles. Custom: unlimited profiles, contact for volume pricing. All annual plans include local AI agent and warm-up.
Key features
  • Autofills one-time passcodes from email
  • Auto-fills codes from the current site
  • Reads only recent emails from last three minutes
  • Does not store or log email contents
  • Isolated browser profiles with unique fingerprints per identity
  • Deterministic fingerprint spoofing for canvas, WebGL, audio, fonts, timezone, and WebRTC
  • C++-level spoofing in patched Chromium browser engine
  • Per-profile proxies with HTTP, HTTPS, and SOCKS5 support
  • Local AI agent for browser automation via any OpenAI-compatible LLM
  • AI Warm-up for natural browsing patterns before profile use
  • Fingerprint Lab with generator, templates, and live CDP verification
  • Full Puppeteer and Playwright compatibility for headless automation
  • AES-256-GCM encryption of secrets at rest with device-level key derivation
  • No telemetry or analytics
What makes it different
  • One-time purchase model with no subscription required
  • Real C++-level fingerprint spoofing compiled into browser, not JavaScript overrides
  • Local AI agent that runs entirely on your machine, never sends prompts or data to cloud
  • Complete isolation: profiles never share cookies, cache, fingerprints or network signals
  • All three browser engines (Chromium, Chrome, Firefox) included in every plan
  • Secrets encrypted at device level before any cloud sync, zero telemetry
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)9 no change since last check1 no change since last check
Trust Flow (Majestic)612
Citation Flow (Majestic)1116
Referring domains (Majestic)107

6 details filled in for both companies.

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