Asia
✓ Prices checked Sep 30, 2026
Yesim South Korea eSIM plans & prices
Yesim's complete South Korea lineup — 34 plans, benchmarked against all 8 providers and 151 plans we track for this country.
The verdict, computed
Is Yesim the right eSIM for South Korea?
Yesim's best rate in South Korea is $1.10/GB — rank #5 of 8; the country benchmark is $0.55/GB. Entry price is $2.84 against the country floor of $1.00. The full ranking context lives in the all-provider South Korea comparison.
Yesim in South Korea
All 34 Yesim South Korea plans
| Plan | Data | Validity | Price | $/day | $/GB | Link |
|---|---|---|---|---|---|---|
| 30GB / 30 Days | 30GB | 30 days | $33.11 | $1.10 | $1.10 | View plan |
| 20GB / 30 Days | 20GB | 30 days | $26.42 | $0.88 | $1.32 | View plan |
| 10GB / 30 Days | 10GB | 30 days | $18.14 | $0.60 | $1.81 | View plan |
| 1GB / 30 Days | 1GB | 30 days | $2.84 | $0.09 | $2.84 | View plan |
| Unlimited / 1 Day | Unlimited | 1 days | $3.97 | $3.97 | — | View plan |
| Unlimited / 2 Days | Unlimited | 2 days | $7.94 | $3.97 | — | View plan |
| Unlimited / 3 Days | Unlimited | 3 days | $11.91 | $3.97 | — | View plan |
| Unlimited / 4 Days | Unlimited | 4 days | $15.88 | $3.97 | — | View plan |
| Unlimited / 5 Days | Unlimited | 5 days | $19.85 | $3.97 | — | View plan |
| Unlimited / 6 Days | Unlimited | 6 days | $23.82 | $3.97 | — | View plan |
| Unlimited / 7 Days | Unlimited | 7 days | $27.78 | $3.97 | — | View plan |
| Unlimited / 8 Days | Unlimited | 8 days | $29.84 | $3.73 | — | View plan |
| Unlimited / 9 Days | Unlimited | 9 days | $31.90 | $3.54 | — | View plan |
| Unlimited / 10 Days | Unlimited | 10 days | $33.95 | $3.40 | — | View plan |
| Unlimited / 11 Days | Unlimited | 11 days | $36.01 | $3.27 | — | View plan |
| Unlimited / 12 Days | Unlimited | 12 days | $38.06 | $3.17 | — | View plan |
| Unlimited / 13 Days | Unlimited | 13 days | $40.12 | $3.09 | — | View plan |
| Unlimited / 14 Days | Unlimited | 14 days | $42.18 | $3.01 | — | View plan |
| Unlimited / 15 Days | Unlimited | 15 days | $44.23 | $2.95 | — | View plan |
| Unlimited / 16 Days | Unlimited | 16 days | $45.59 | $2.85 | — | View plan |
| Unlimited / 17 Days | Unlimited | 17 days | $46.95 | $2.76 | — | View plan |
| Unlimited / 18 Days | Unlimited | 18 days | $48.31 | $2.68 | — | View plan |
| Unlimited / 19 Days | Unlimited | 19 days | $49.67 | $2.61 | — | View plan |
| Unlimited / 20 Days | Unlimited | 20 days | $51.03 | $2.55 | — | View plan |
| Unlimited / 21 Days | Unlimited | 21 days | $52.39 | $2.49 | — | View plan |
| Unlimited / 22 Days | Unlimited | 22 days | $53.75 | $2.44 | — | View plan |
| Unlimited / 23 Days | Unlimited | 23 days | $55.12 | $2.40 | — | View plan |
| Unlimited / 24 Days | Unlimited | 24 days | $56.48 | $2.35 | — | View plan |
| Unlimited / 25 Days | Unlimited | 25 days | $57.84 | $2.31 | — | View plan |
| Unlimited / 26 Days | Unlimited | 26 days | $59.20 | $2.28 | — | View plan |
| Unlimited / 27 Days | Unlimited | 27 days | $60.56 | $2.24 | — | View plan |
| Unlimited / 28 Days | Unlimited | 28 days | $61.92 | $2.21 | — | View plan |
| Unlimited / 29 Days | Unlimited | 29 days | $63.28 | $2.18 | — | View plan |
| Unlimited / 30 Days | Unlimited | 30 days | $64.64 | $2.15 | — | View plan |
Prices in USD as listed by Yesim, excluding promo codes and taxes. Badges compare against all 151 South Korea plans we track — see our methodology.
Fine print decoded
Is Yesim unlimited data in South Korea really unlimited
| Plan | Price | $/day | Fair-use policy |
|---|---|---|---|
| Unlimited / 1 Day | $3.97 | $3.97 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 2 Days | $7.94 | $3.97 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 3 Days | $11.91 | $3.97 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 4 Days | $15.88 | $3.97 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 5 Days | $19.85 | $3.97 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 6 Days | $23.82 | $3.97 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 7 Days | $27.78 | $3.97 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 8 Days | $29.84 | $3.73 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 9 Days | $31.90 | $3.54 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 10 Days | $33.95 | $3.40 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 11 Days | $36.01 | $3.27 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 12 Days | $38.06 | $3.17 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 13 Days | $40.12 | $3.09 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 14 Days | $42.18 | $3.01 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 15 Days | $44.23 | $2.95 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 16 Days | $45.59 | $2.85 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 17 Days | $46.95 | $2.76 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 18 Days | $48.31 | $2.68 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 19 Days | $49.67 | $2.61 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 20 Days | $51.03 | $2.55 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 21 Days | $52.39 | $2.49 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 22 Days | $53.75 | $2.44 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 23 Days | $55.12 | $2.40 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 24 Days | $56.48 | $2.35 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 25 Days | $57.84 | $2.31 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 26 Days | $59.20 | $2.28 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 27 Days | $60.56 | $2.24 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 28 Days | $61.92 | $2.21 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 29 Days | $63.28 | $2.18 | No fair-use policy published — treat speed claims with caution |
| Unlimited / 30 Days | $64.64 | $2.15 | No fair-use policy published — treat speed claims with caution |
Honest trade-offs
Where Yesim wins and loses
Strengths
- +Founded 2019 in Switzerland
- +Pay-per-use international eSIM across 140+ countries
- +Self-service business platform for teams
- +Unlimited and fixed plans in most destinations
Watch out for
- –Smaller brand recognition outside Europe
- –Pay-per-MB international plan takes reading to compare
The other side by side
Yesim vs the other providers in South Korea
Airalo
from $4.00
The original eSIM marketplace
See Airalo plans →
aloSIM
from $4.50
Budget eSIM app from Canada's AffinityClick
See aloSIM 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 →
See the whole South Korea picture.
Yesim is 5 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.