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Borderly vs Underbook

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

Borderly compared with Underbook
Detail Borderly Underbook
What it doesTurn saved travel videos into bookable flights and log every journey in a 3D flight passport Your hotel, double-checked.
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingWeb Explorer: Free. Borderly Mobile: $7.99/month (billed annually at $49.99/year, includes 3-day free trial). Lifetime Globetrotter: $149 one-time payment for lifetime mobile access. Not given
Key features
  • Turn Instagram and TikTok reels into trip itineraries with automatic extraction of places, flights and hotels
  • AI-powered layover planning with stopover itineraries matched to exact layover windows
  • Group trip planning with collaborative activity voting and unified itineraries
  • Live flight search and booking through Duffel integration with real-time seat availability
  • Digital boarding pass wallet with OCR scanning and sync to Apple and Google Wallet
  • Interactive 3D flight globe visualization with animated great-circle arcs and distance tracking
  • Aircraft fleet collection and tracking with personal registry of plane types flown
  • Airline miles and loyalty points tracker across multiple carrier programs
  • Travel budgeting and expense splitting for group trips across currencies
  • 396+ airport layover guides with stopover insights and connectivity information
  • Compares prices across multiple booking sites for the same hotel and dates
  • Shows all-in prices including taxes and fees
  • Identifies whether a cheaper listing names the same room
  • Displays the going rate most booking sites agree on
  • Price-drop alerts for booked stays
  • Web price checker for phones and computers without install
  • Works on Booking.com, Expedia, Hotels.com, Agoda and hotel websites
  • No account required
  • Never sees payment information
What makes it different
  • Converts saved travel videos from social media directly into bookable flight itineraries with live price tracking
  • AI layover planner with human concierge verification for tight transfers and last-minute changes
  • 3D interactive flight passport that syncs boarding passes to Apple and Google Wallet
  • Collaborative group trip planning with real-time activity voting and unified itineraries from social content
  • Global traveler community with leaderboards, flight statistics tracking and aviation milestone collection
  • Completely free with no account or hidden costs
  • Shows whether cheaper sites are legitimate alternatives or unfamiliar booking channels
  • Transparent about limitations and never pretends different rooms are the same
  • Email alerts only for significant price drops of 5% or more on refundable bookings
Community votes00
DR (Domain Rating by Ahrefs)8 no change since last check1 +1 (up) since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)919
Referring domains (Majestic)373

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