Asia
✓ Prices checked Sep 30, 2026
aloSIM South Korea eSIM plans & prices
aloSIM's complete South Korea lineup — 12 plans, benchmarked against all 8 providers and 151 plans we track for this country.
The verdict, computed
Is aloSIM the right eSIM for South Korea?
aloSIM's best rate in South Korea is $1.60/GB — rank #7 of 8; the country benchmark is $0.55/GB. Entry price is $4.50 against the country floor of $1.00. The full ranking context lives in the all-provider South Korea comparison.
aloSIM in South Korea
All 12 aloSIM South Korea plans
| Plan | Data | Validity | Price | $/day | $/GB | Link |
|---|---|---|---|---|---|---|
| 20GB / 30 Days | 20GB | 30 days | $32.00 | $1.07 | $1.60 | View plan |
| 10GB / 30 Days | 10GB | 30 days | $21.00 | $0.70 | $2.10 | View plan |
| 5GB / 30 Days | 5GB | 30 days | $11.00 | $0.37 | $2.20 | View plan |
| 3GB / 30 Days | 3GB | 30 days | $9.00 | $0.30 | $3.00 | View plan |
| 2GB / 15 Days | 2GB | 15 days | $7.00 | $0.47 | $3.50 | View plan |
| 1GB / 7 Days | 1GB | 7 days | $4.50 | $0.64 | $4.50 | View plan |
| Unlimited / 3 Days | Unlimited | 3 days | $12.50 | $4.17 | — | View plan |
| Unlimited / 5 Days | Unlimited | 5 days | $20.50 | $4.10 | — | View plan |
| Unlimited / 7 Days | Unlimited | 7 days | $29.50 | $4.21 | — | View plan |
| Unlimited / 10 Days | Unlimited | 10 days | $35.00 | $3.50 | — | View plan |
| Unlimited / 15 Days | Unlimited | 15 days | $49.00 | $3.27 | — | View plan |
| Unlimited / 30 Days | Unlimited | 30 days | $72.50 | $2.42 | — | View plan |
Prices in USD as listed by aloSIM, excluding promo codes and taxes. Badges compare against all 151 South Korea plans we track — see our methodology.
Fine print decoded
Is aloSIM unlimited data in South Korea really unlimited
| Plan | Price | $/day | Fair-use policy |
|---|---|---|---|
| Unlimited / 3 Days | $12.50 | $4.17 | 3 GB per day at full speed, then ∞ at 1kbps |
| Unlimited / 5 Days | $20.50 | $4.10 | 3 GB per day at full speed, then ∞ at 1kbps |
| Unlimited / 7 Days | $29.50 | $4.21 | 3 GB per day at full speed, then ∞ at 1kbps |
| Unlimited / 10 Days | $35.00 | $3.50 | 3 GB per day at full speed, then ∞ at 1kbps |
| Unlimited / 15 Days | $49.00 | $3.27 | 3 GB per day at full speed, then ∞ at 1kbps |
| Unlimited / 30 Days | $72.50 | $2.42 | 3 GB per day at full speed, then ∞ at 1kbps |
Honest trade-offs
Where aloSIM wins and loses
Strengths
- +Built by AffinityClick, an Ottawa telecom company
- +Cheap country packs across 175+ countries
- +Free eSIM app with flexible top-ups
Watch out for
- –Fewer unlimited options than rivals
- –Support is self-serve first
The other side by side
aloSIM vs the other providers in South Korea
Airalo
from $4.00
The original eSIM marketplace
See Airalo plans →
Holafly
from $12.50
Unlimited data, pay by the day
See Holafly plans →
Roami
from $1.99
App-first travel eSIM with 24/7 activation
See Roami plans →
Roamic
from $1.00
European eSIM brand with unlimited options
See Roamic plans →
Saily
from $3.99
The no-logs eSIM from the NordVPN team
See Saily plans →
Ubigi
from $3.00
Global 4G/5G eSIM from Transatel, an NTT company
See Ubigi plans →
Yesim
from $2.84
Swiss-based eSIM with pay-as-you-go data
See Yesim plans →
See the whole South Korea picture.
aloSIM is 7 of 8 on best $/GB here — the full table with all 151 plans, badges and fair-use notes lives on the South Korea eSIM comparison. Prices verified Sep 30, 2026.