Live, factual prices
Roamiya rate from our live catalog. Carrier rate referenced from each provider's published travel-pass tariffs.
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Prices checked April 2026
Roamiya is the lowest indexed option for this trip and costs less than Att Us standard roaming.
Mongolia 3GB 30 Days
$20.99
30 days · 3 GB· Instant delivery
International Day Pass
$360.00
Plan: Daily feeSource: carrier rate page
Roamiya rate from our live catalog. Carrier rate referenced from each provider's published travel-pass tariffs.
Both prices reflect the same destination, trip length, and data target so the comparison stays apples-to-apples.
Catalog and carrier tariffs are revalidated regularly. Last verified April 2026.
Compare Att Us, Roamiya, and this Mongolia scenario side by side.
Price
✓Carrier: $360.00
Roamiya: $20.99
Data
~Carrier: Daily fee
Roamiya: 3 GB
Duration
~Carrier: 30 days
Roamiya: 30 days
Coverage
✓Carrier: 215+ countries
Roamiya: 1 country
Activation
✓Carrier: Varies
Roamiya: Instant
Contract
✓Carrier: Required
Roamiya: None
Limitations
Carrier: Calls/SMS depend on plan terms
Roamiya: Data-only eSIM; use VoIP apps for calls and messaging
Match
~Carrier: 3 GB / 30 days (scenario)
Roamiya: Exact match
Complete alternative-carrier pricing is not available for this Mongolia trip yet. This page still compares Att Us roaming against Roamiya at $20.99.
Carrier price last checked April 2026 for Att Us International Day Pass; comparison assumes 30 days and 3 GB.
Att Us pricing recency and Roamiya package pricing are evaluated against the same trip assumptions before this page is published. Last verified April 2026.
Ready to choose the cheaper Mongolia option?
Open the matched Roamiya eSIM route for this scenario.
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