Brand head-to-head
MeSIM vs Seyyah Mobile
MeSIM and Seyyah Mobile travel eSIMs compared on price, value per GB, unlimited data, destination coverage and verified prices, built from 4,349 plans we track. Each figure is cited to its source and dated.
Price observation dates for these two providers: Oct 26, 2026. Check each plan's date and source before buying.How we verify
MeSIM and Seyyah Mobile are closely matched: both start between $2.09 and $2.99, with a best price per GB of $0.33/GB and $0.30/GB. MeSIM covers more of the destinations we track (184 vs 171). Pick on which destinations you need and the exact data allowance and validity that fit your trip.
| Metric | ||
|---|---|---|
| Starts from | $2.99 | $2.09 |
| Best value per GB | $0.33/GB | $0.30/GB |
| Unlimited-data plans | 144 plans (6%) | 866 plans (44%) |
| Destinations tracked | 184 | 171 |
| Prices verified | 100% of 2,395 | 100% of 1,954 |
| Cheapest trip-ready plan | $4.99 | $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.
MeSIM vs Seyyah Mobile for popular destinations
The best-value MeSIM and Seyyah Mobile plan for each destination both cover, lined up on price, data, validity and per-GB price.
Seyyah Mobile is cheaper for United States. Seyyah Mobile's 5 GB plan costs $6.09 for 30 days, versus $7.99 for MeSIM's 5 GB ($1.22/GB vs $1.60/GB). They use different local networks (Verizon, AT&T vs AT&T, Verizon), which can change coverage in parts of United States. 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 | United States | United States |
| Provider | MeSIM | Seyyah Mobile |
| Coverage | Verizon, AT&T | AT&T, Verizon |
| Last checked | Oct 26, 2026 · 1 source | Oct 26, 2026 · 1 source |
| Buy |
We earn a commission if you buy through MeSIM 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. MeSIM (5 GB, 30 days) and Seyyah Mobile (5 GB, 30 days) are priced within a dollar for Australia, at $6.99 and $7.09 ($1.40/GB vs $1.42/GB). Both list the same local network (Optus); this alone does not establish identical coverage or speeds. 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 | Australia | Australia |
| Provider | MeSIM | Seyyah Mobile |
| Coverage | Optus | Optus |
| Last checked | Oct 26, 2026 · 1 source | Oct 26, 2026 · 1 source |
| Buy |
We earn a commission if you buy through MeSIM 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. MeSIM (5 GB, 10 days) and Seyyah Mobile (5 GB, 30 days) are priced within a dollar for Japan, at $5.99 and $5.49 ($1.10/GB vs $1.20/GB). Seyyah Mobile is also valid longer (30 vs 10 days). They use different local networks (KDDI, SOFTBANK 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 | 10 days | 30 days |
| Destination | Japan | Japan |
| Provider | MeSIM | Seyyah Mobile |
| Coverage | KDDI, SOFTBANK | KDDI, Softbank |
| Last checked | Oct 26, 2026 · 1 source | Oct 26, 2026 · 1 source |
| Buy |
We earn a commission if you buy through MeSIM 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.
MeSIM is cheaper for Thailand. MeSIM's 5 GB plan costs $5.49 for 10 days, versus $9.79 for Seyyah Mobile's 5 GB ($1.10/GB vs $1.96/GB). Seyyah Mobile is valid longer (30 vs 10 days), so it is not a clean win. They use different local networks (AIS, TRUE 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 | 10 days | 30 days |
| Destination | Thailand | Thailand |
| Provider | MeSIM | Seyyah Mobile |
| Coverage | AIS, TRUE | dtac |
| Last checked | Oct 26, 2026 · 1 source | Oct 26, 2026 · 1 source |
| Buy |
We earn a commission if you buy through MeSIM 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 MeSIM or Seyyah Mobile better for travel?
- They are closely matched on price (from $2.99 and $2.09). Pick on coverage of your destination and the data and validity that fit your trip.
- How much does MeSIM cost compared to Seyyah Mobile?
- MeSIM plans start from $2.99 (best value $0.33/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, MeSIM or Seyyah Mobile?
- We track MeSIM across 184 destinations and Seyyah Mobile across 171. MeSIM covers more of the destinations in our catalogue, though both cover the major travel destinations.
- Which has unlimited data, MeSIM or Seyyah Mobile?
- Both offer unlimited-data plans: MeSIM has 144 (6% of the plans we track) and Seyyah Mobile has 866 (44%). "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