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Fontavio vs ONE eSIM

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

Fontavio compared with ONE eSIM
DetailFontavio logo FontavioONE eSIM logo ONE eSIM
What it doesWater, shower and toilet finder app for travellers Travel eSIM plans for 200+ destinations. Install before you fly, switch on when you land.
StageNot given Not given
FoundedNot given Not given
Based inFI EE
Pricing modelFreemium Paid
PricingFree: ad-supported, no account needed. Pro: €1.99/mo or €9.99/year, includes offline maps, route planner, folders and private notes, no ads. 7-day free trial available. Plans from $1.10 per day in Japan, Thailand, South Korea, Singapore and France; Europe from $3.96; Asia from $6.93; Africa from $10.12; North America from $5.14; South America from $14.55; Oceania from $7.18; global coverage available. Prices in US dollars with no activation fee or subscription.
Key features
  • Map of 650,000+ water and sanitation facilities across 50 countries
  • Compass and navigation to find closest facilities
  • Open now status showing real-time availability
  • User confirmation badges for place accuracy
  • 10 service categories: drinking water, fill-up taps, raw water, toilets, showers, laundry, grey water, black water, marine pump-outs, marina services
  • Filters by category, free or paid, open now, and travel mode
  • No account required to browse and search
  • Offline maps available with Pro subscription
  • Route planner for Pro users opening stops in Google Maps
  • Home-screen widget and app shortcut for finding closest facility
  • 243 destinations with local, regional and global plans
  • 5G network support on most plans
  • Daily unlimited data plans
  • One-tap installation on iPhone iOS 17.4+
  • Personal hotspot allowed
  • Plan top-ups available
  • Full refund before installation
  • Plans display operators and network generation
  • Validity starts on first connection abroad
What makes it different
  • Only app covering all water-related services on a single map
  • Completely free to browse with no account required
  • User location never stored on servers, only used in-app
  • Community-maintained with contribution system that prioritizes accuracy
  • Works offline with downloadable maps in Pro
  • Cheapest 1GB in 46 of 50 countries compared to competitors
  • Every plan names its networks and generation before purchase
  • Full refund on uninstalled eSIMs
  • No hidden fees, subscription or activation charges
  • No airport installation needed
Community votes00
DR (Domain Rating by Ahrefs)9 no change since last check14 +2 (up) since last check
Trust Flow (Majestic)200
Citation Flow (Majestic)250
Referring domains (Majestic)130

6 details filled in for both companies.

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