eSIM vs Roaming Plans — Real Cost Comparison
International roaming can cost {price.5}–{price.15} per megabyte with some carriers. A single hour of video streaming could cost {price.500} or more in roaming fees. Here is an honest, numbers-first comparison of eSIM plans vs every roaming alternative.
The true cost of carrier roaming
Home carrier international data charges vary widely:
| Carrier type | Pay-as-you-go rate | Notes |
|---|---|---|
| US carrier (T-Mobile, AT&T, Verizon) roaming | ฿0.35–฿525.00 per MB | Varies by destination country |
| UK carrier (EE, Vodafone, O2) zone 1 | £0.002–£10 per MB | 'Zone 1' countries cheapest |
| Carrier international add-on package | ฿350.00–฿700.00/day or ฿1,750.00–฿3,500.00/week | Often throttled to 256 kbps |
| EU roaming (within EU/EEA) | Free at home rates | Genuine exception — no extra charge |
At ฿350.00/MB, a 1 GB video stream costs ฿350,000.00 Even 'day pass' add-ons at ฿350.00/day throttle to 256 kbps — barely enough for maps.
Real cost comparison by trip type
7 days in Europe (5 GB data)
| Option | Cost | Notes |
|---|---|---|
| Carrier roaming (pay-as-you-go) | ฿5,250.00–฿17,500.00 | Extreme bill shock risk |
| Carrier travel package (day pass) | ฿2,450.00–฿4,900.00 | ฿350.00/day × 7, often throttled |
| Local physical SIM in France | ฿525.00–฿875.00 | Covers France only, requires store visit |
| LTE.app Europe eSIM (30+ countries) | ฿420.00–฿700.00 | Full LTE speeds, instant activation |
14 days in Asia (10 GB data)
| Option | Cost | Notes |
|---|---|---|
| Carrier roaming | ฿10,500.00–฿35,000.00+ | Extreme risk |
| Carrier international package | ฿2,800.00–฿5,250.00 | Often insufficient data |
| Local SIM in Japan | ฿525.00–฿875.00 | Japan only, language barrier |
| LTE.app Asia regional eSIM | ฿525.00–฿1,225.00 | Covers Japan, Korea, Taiwan |
3 days in the US (2 GB data)
| Option | Cost | Notes |
|---|---|---|
| Carrier roaming day pass | ฿1,050.00–฿2,100.00 | ฿350.00–฿700.00/day |
| US prepaid local SIM (Mint, T-Mobile) | ฿525.00–฿700.00 | Physical store required |
| LTE.app US eSIM | ฿280.00–฿525.00 | Instant QR, full LTE |
Hidden roaming charges that multiply the cost
When roaming actually makes sense
LTE.app membership makes eSIM even cheaper
LTE.app Pro membership (฿349.65/mo) saves 7% on every eSIM plan. Premium (฿699.65/mo) saves 12%. For frequent travelers purchasing 3–4 plans per month, the membership pays for itself:
| Travel pattern | Monthly plan spend | Pro saves | Premium saves |
|---|---|---|---|
| 1 trip/month (1 plan) | ฿525.00 | ฿36.75 | ฿63.00 |
| 2 trips/month (3 plans) | ฿1,575.00 | ฿110.25 | ฿189.00 |
| 4 trips/month (6 plans) | ฿3,150.00 | ฿220.50 | ฿378.00 |
| Heavy traveler (10 plans) | ฿5,250.00 | ฿367.50 | ฿630.00 |
At 6+ plans per month, Pro pays for itself. At 10+ plans per month, Premium pays for itself.