Internet with no data cap and no speed throttling in Guam, on your own phone, without swapping SIM cards. You pay in USD with no hidden fees, get an invoice, and have human support.
Direct answer: the VoaSim eSIM for Guam starts at USD 1.69/day on the longer plans, always with truly unlimited data. The 10-day plan, the best seller, is USD 28.90 with today's promo. VoaSim is a registered company, with an invoice on every purchase, secure payment via Stripe and a full-refund guarantee if the eSIM won't connect.
✓ Truly unlimited✓ No hidden fees✓ Registered company, invoice included✓ Human support✓ Connects or your money back
Prices for Guam (today's promo)
5 days
USD 17.90USD 3.58/day
USD 21.16 · 15% off today · unlimited
7 days
USD 22.90USD 3.27/day
USD 27.15 · 15% off today · unlimited
Best seller
10 days
USD 28.90USD 2.89/day
USD 34.88 · 15% off today · unlimited
15 days
USD 40.90USD 2.73/day
USD 48.61 · 15% off today · unlimited
30 days
USD 59.90USD 2.00/day
USD 70.87 · 15% off today · unlimited
Prices with today's promo (15% off). Buying 2 or more lines adds an extra 10% off. Trips of 1 to 4 days use the 5-day plan. No hidden fees: the quoted price is the final price.
Takes 1 minute. Pick your dates and see the final price, no surprises.
How it works
1
Buy in 2 minutes
Get your quote and pay by card in USD, no hidden fees. The eSIM arrives by email with a QR code.
2
Install before boarding
Point your camera at the QR code and you're done. Step-by-step guide for iPhone and Android, with support if you need it.
3
Land connected
The plane lands in Guam and your phone connects to the local network on its own. No swapping SIM cards, no hunting for Wi-Fi, no carrier roaming.
Coverage in Guam
The VoaSim eSIM connects automatically to the main local mobile networks in Guam, on 4G and, where the local network offers it, 5G. Network selection is automatic: your phone picks the best available signal wherever you are, with no manual setup.
Why trust VoaSim?
Real, registered company: invoice with every purchase, payment processed by Stripe (the same platform behind Amazon and Shopify) and a real guarantee: if the eSIM won't connect and our support can't fix it, we refund 100%. Human support, on your schedule.
Yes. Guam is among the 160+ destinations covered by VoaSim. The eSIM connects automatically to the local networks on 4G and, where available, 5G.
How much does unlimited internet cost in Guam?
With today's promo, the 7-day plan is USD 22.90 and the 10-day plan is USD 28.90 (USD 2.89/day), all truly unlimited. The price is locked in before you pay and there are no hidden fees.
Is the plan for Guam really unlimited?
Yes, truly unlimited: no data cap, no speed throttling after X GB and no fine-print "fair use" policy. From the first to the last day of your trip.
Is my phone compatible with eSIM?
iPhone XR or newer, Samsung Galaxy S20 or newer, Google Pixel 3 or newer, and most phones released since 2020 are compatible. The phone must be unlocked. If yours isn't compatible, we refund you.
When should I activate the eSIM?
You install it at home, on Wi-Fi, following our guide. The line activates automatically when the plane lands and your phone finds the local network. Your physical SIM and your WhatsApp keep working as usual.
What if it doesn't work when I arrive?
Our human support works on your schedule. Plus, the free eSIM Rescue tool diagnoses the problem in minutes. If the eSIM won't connect and we can't fix it, you get 100% of your money back. That guarantee applies to every destination.