Inbox eSIM vs Seyyah Mobile
Inbox eSIM and Seyyah Mobile travel eSIMs compared on price, value per GB, unlimited data, destination coverage and verified prices, built from 3,383 plans we track. Each figure is cited to its source and dated.
Price observation dates for these two providers: Oct 29, 2026 to Oct 30, 2026. Check each plan's date and source before buying.How we verify
Seyyah Mobile's best price per GB in our catalogue is $0.30/GB, versus $0.60/GB for Inbox eSIM. Seyyah Mobile also starts cheaper, from $2.09 versus $2.90. Seyyah Mobile covers more of the destinations we track (182 vs 179). Best value is not always the right pick: match the data allowance and validity to your trip.
From $2.90 · 1,336 plans in 179 destinations
10% off every plan with code ESIMCOMPARE. How to use it
We earn a commission if you buy through Inbox eSIM links here, at no extra cost to you. In our recommended order those providers get a disclosed partner boost; it never changes a price, and lists sorted by price alone stay in price order.
| Metric | ||
|---|---|---|
| Starts from | $2.90 | $2.09 |
| Best value per GB | $0.60/GB | $0.30/GB |
| Unlimited-data plans | 405 plans (30%) | 886 plans (43%) |
| Destinations tracked | 179 | 182 |
| Prices verified | 100% of 1,336 | 100% of 2,047 |
| Cheapest trip-ready plan | $4.49 | $4.29 |
Every figure is aggregated from the plans we track for each brand and links to the record that proves it. How we verify prices.
Inbox eSIM vs Seyyah Mobile for popular destinations
The best-value Inbox eSIM and Seyyah Mobile plan for each destination both cover, lined up on price, data, validity and per-GB price.
Closely matched on price. Inbox eSIM (5 GB, 30 days) and Seyyah Mobile (5 GB, 30 days) are priced within a dollar for United States, at $5.90 and $6.09 ($1.18/GB vs $1.22/GB). They use different local networks (Verizon, AT&T vs AT&T, Verizon), which can change coverage in parts of United States. Pick on data allowance, validity and which provider you prefer.
| Plan | ||
|---|---|---|
| Price | total | total |
| Data type | ||
| Speed / fair-use policy | Fixed data allowance | Fixed data allowance |
| Data | ||
| Validity | 30 days | 30 days |
| Destination | United States | United States |
| Provider | Inbox eSIM | Seyyah Mobile |
| Coverage | Verizon, AT&T | AT&T, Verizon |
| Last checked | Oct 30, 2026 · 1 source | Oct 30, 2026 · 1 source |
| Buy |
We earn a commission if you buy through Inbox eSIM links here, at no extra cost to you. In our recommended order those providers get a disclosed partner boost; it never changes a price, and lists sorted by price alone stay in price order.
Inbox eSIM is cheaper for Thailand. Inbox eSIM's 5 GB plan costs $4.90 for 30 days, versus $9.79 for Seyyah Mobile's 5 GB ($0.98/GB vs $1.96/GB). They use different local networks (TrueMove H, DTAC vs dtac), which can change coverage in parts of Thailand. Cheapest is not always best: check the data allowance and validity match your trip.
| Plan | ||
|---|---|---|
| Price | total | total |
| Data type | ||
| Speed / fair-use policy | Fixed data allowance | Fixed data allowance |
| Data | ||
| Validity | 30 days | 30 days |
| Destination | Thailand | Thailand |
| Provider | Inbox eSIM | Seyyah Mobile |
| Coverage | TrueMove H, DTAC | dtac |
| Last checked | Oct 30, 2026 · 1 source | Oct 30, 2026 · 1 source |
| Buy |
We earn a commission if you buy through Inbox eSIM links here, at no extra cost to you. In our recommended order those providers get a disclosed partner boost; it never changes a price, and lists sorted by price alone stay in price order.
Closely matched on price. Inbox eSIM (5 GB, 30 days) and Seyyah Mobile (5 GB, 30 days) are priced within a dollar for Japan, at $5.90 and $5.49 ($1.10/GB vs $1.18/GB). They use different local networks (NTT docomo vs KDDI, Softbank), which can change coverage in parts of Japan. Pick on data allowance, validity and which provider you prefer.
| Plan | ||
|---|---|---|
| Price | total | total |
| Data type | ||
| Speed / fair-use policy | Fixed data allowance | Fixed data allowance |
| Data | ||
| Validity | 30 days | 30 days |
| Destination | Japan | Japan |
| Provider | Inbox eSIM | Seyyah Mobile |
| Coverage | NTT docomo | KDDI, Softbank |
| Last checked | Oct 30, 2026 · 1 source | Oct 30, 2026 · 1 source |
| Buy |
We earn a commission if you buy through Inbox eSIM links here, at no extra cost to you. In our recommended order those providers get a disclosed partner boost; it never changes a price, and lists sorted by price alone stay in price order.
Closely matched on price. Inbox eSIM (5 GB, 30 days) and Seyyah Mobile (5 GB, 30 days) are priced within a dollar for Singapore, at $4.90 and $4.79 ($0.96/GB vs $0.98/GB). They use different local networks (M1, Singtel vs StarHub), which can change coverage in parts of Singapore. Pick on data allowance, validity and which provider you prefer.
| Plan | ||
|---|---|---|
| Price | total | total |
| Data type | ||
| Speed / fair-use policy | Fixed data allowance | Fixed data allowance |
| Data | ||
| Validity | 30 days | 30 days |
| Destination | Singapore | Singapore |
| Provider | Inbox eSIM | Seyyah Mobile |
| Coverage | M1, Singtel | StarHub |
| Last checked | Oct 30, 2026 · 1 source | Oct 30, 2026 · 1 source |
| Buy |
We earn a commission if you buy through Inbox eSIM links here, at no extra cost to you. In our recommended order those providers get a disclosed partner boost; it never changes a price, and lists sorted by price alone stay in price order.
More brand comparisons
Frequently asked
- Is Inbox eSIM or Seyyah Mobile better for travel?
- Seyyah Mobile tends to be better value per GB ($0.30/GB vs $0.60/GB at best), and Seyyah Mobile starts cheaper (from $2.09). Confirm the data and validity fit your trip before buying.
- How much does Inbox eSIM cost compared to Seyyah Mobile?
- Inbox eSIM plans start from $2.90 (best value $0.60/GB), and Seyyah Mobile plans start from $2.09 (best value $0.30/GB). Exact prices depend on the destination, the data amount and the validity. Each price is cited to its source and dated.
- Which covers more destinations, Inbox eSIM or Seyyah Mobile?
- We track Inbox eSIM across 179 destinations and Seyyah Mobile across 182. Seyyah Mobile covers more of the destinations in our catalogue, though both cover the major travel destinations.
- Which has unlimited data, Inbox eSIM or Seyyah Mobile?
- Both offer unlimited-data plans: Inbox eSIM has 405 (30% of the plans we track) and Seyyah Mobile has 886 (43%). "Unlimited" plans usually keep full speed up to a daily cap, so check the fair-use cap on the plan you buy.
Each price is cited to its source and dated. How we verify