International mobile top-up service that remotely recharges prepaid phone numbers in 42 countries.
An aged domain One-line growth story, compiled by us from public sources; speculation is marked separately below.
Checkout: checkout.stripe.com
“Saved contacts for one-tap repeat top-ups”Quote from the site
New-user source: Other (Direct / referral / email / paid). Paid 58.8%, search 21.6%, direct 11.8%; non-brand search about 21.6%, on terms like "top up international phone", "buy airtime online", "airtime top up"; referrals from booking.com 6.91%, thepointsguy.com 6.39%, hostelworld.com 5.65%.
Top channel measured by Similarweb, others estimated by rank
| Attributable new users, last month | Share |
|---|---|
| SEO | 22% |
| Other | 78% |
Direct + brand search 12%. Direct and brand search count as viral only when the site shows sharing mechanics; the largest share wins, under 5% means Other.
| Country | Share of visits |
|---|---|
| Norway | 16.51% |
| United Kingdom | 16.28% |
| France | 13.22% |
| Germany | 10.86% |
| Italy | 10.41% |
Mainly English, plus a dozen or so other languages
Facebook, X (Twitter), LinkedIn
31 keywords · brand ~12% · organic 100% / paid 0%
| Similarweb top 5 keywords |
|---|
| top up international phone |
| online prepaid recharge |
| buy airtime online |
| airtime top up |
| international airtime |
Non-brand queries: top up international phone, online prepaid recharge, buy airtime online, airtime top up, international airtime
21 referring sites
| Site | Share of referrals |
|---|---|
| booking.com | 6.91% |
| thepointsguy.com | 6.39% |
| hostelworld.com | 5.65% |
| Category | Share of referrals |
|---|---|
| Travel and Tourism - Other | 49.56% |
| Accommodation and Hotels | 12.56% |
| Computers Electronics and Technology | 11.39% |
| Air Travel | 4.95% |
| Finance - Other | 4.62% |
About 8,596 last month (Similarweb estimate), #416 of 606; the month before was 0. Opening checkout is not paying, so this is not revenue.
New-user source: Other (Direct / referral / email / paid). Mostly referrals, email or paid, or mostly direct with no clear source Paid 58.8%, search 21.6%, direct 11.8%; non-brand search about 21.6%, on terms like "top up international phone", "buy airtime online", "airtime top up"; referrals from booking.com 6.91%, thepointsguy.com 6.39%, hostelworld.com 5.65%.
$5/$10/$20/$50 or €5-€50 per top-up
Dossier confidence: medium. Parts 1 and 2 come from reading the site and Similarweb data; part 3 from public reporting, founder posts, Wayback snapshots, WHOIS and similar, with speculation marked.
The number: checkout visits is Similarweb's estimate of visits from the site to a checkout payment page; opening checkout is not paying, so this is not revenue. Small sites land on fixed buckets.
Data through last month. Page updated 2026-10-26.
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