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T-Mobile US may be cheaper for this trip
For this specific trip, T-Mobile US ($50.00) may be more cost-effective than an eSIM (Guam 20GB 30 Days ($83.00)).
However, eSIMs offer instant delivery and no contract.
| Feature | Carrier | Roamiya | |
|---|---|---|---|
| Price | $50.00 | Guam 20GB 30 Days ($83.00) | ✓ |
| Data | 15 GB pass | 15 GB | ~ |
| Duration | 30 days | 30 days | ~ |
| Calls | Unlimited | VoIP only | ✓ |
| SMS | Extra cost | No | |
| Activation | Varies | Instant | ✓ |
| Coverage | 215+ countries | 1 country | ✓ |
| Keep Number | Yes | Yes | ~ |
| Contract | Required | None | ✓ |
Competitor prices coming soon. We're collecting data from Airalo, Holafly, and Saily.
Instant delivery · No contract
T-Mobile US International Pass 30 Days costs $50.00 for 30 days in Guam. Breakdown: $50.00 pass · 30 days / 15GB.
T-Mobile US International Pass 30 Days includes roaming data in Guam, while a Roamiya eSIM gives you 15 GB of data specifically for travel. The eSIM provides a predictable data allowance without per-MB roaming charges.
The best eSIM for Guam from Roamiya is available at Guam 20GB 30 Days ($83.00). It offers reliable data connectivity without the high costs of T-Mobile US international roaming.
T-Mobile US roaming is actually the cheapest option for Guam, but a travel eSIM may still offer better value with predictable data and no roaming surprises.
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