WorldSIM 6 cheapest rows

eSIM4 vs WorldSIM in Mongolia

Side-by-side pricing for Mongolia, straight from each provider's current real plans.

Cheapest overall

eSIM4

2/8 cheapest rows

10 of 12 facts confirmed Score 51/100

Best for: Unlimited data · Short trips · Long stays

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WorldSIM

6/8 cheapest rows

8 of 12 facts confirmed Score 67/100 -20%

Best for: Budget travellers · Unlimited data · Multi-country trips · Short trips

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WorldSIM is the cheapest option in 6 of the 8 price rows for Mongolia. The remaining rows go to eSIM4. Live plans from each provider's catalog, re-checked daily.

Prices in Mongolia

Cheapest live plan from each provider per trip size. Every price links to that exact plan.

	eSIM4	WorldSIM
Starting price	$2.98 1GB · 7 days Get eSIM →	$3.02 1GB · 7 days Get eSIM →
1 GB or more	$2.98 1GB · 7 days Get eSIM →	$3.02 1GB · 7 days Get eSIM →
5 GB or more	$9.98 5GB · 30 days Get eSIM →	$6.63 5GB · 30 days Get eSIM →
10 GB or more	$16.98 10GB · 30 days Get eSIM →	$10.28 10GB · 30 days Get eSIM →
20 GB or more	$27.98 20GB · 30 days Get eSIM →	$15.08 20GB · 30 days Get eSIM →
Unlimited	$16.98 Unlimited · 3 days Get eSIM →	$10.14 Unlimited · 3 days Get eSIM →
Best price/GB	$1.40	$0.75
Best price/day	$0.20	$0.16

Comparison by eSIMKart

Starting price

eSIM4

$2.98

1GB · 7 days

Get eSIM →

WorldSIM

$3.02

1GB · 7 days

Get eSIM →

1 GB or more

eSIM4

$2.98

1GB · 7 days

Get eSIM →

WorldSIM

$3.02

1GB · 7 days

Get eSIM →

5 GB or more

eSIM4

$9.98

5GB · 30 days

Get eSIM →

WorldSIM

$6.63

5GB · 30 days

Get eSIM →

10 GB or more

eSIM4

$16.98

10GB · 30 days

Get eSIM →

WorldSIM

$10.28

10GB · 30 days

Get eSIM →

20 GB or more

eSIM4

$27.98

20GB · 30 days

Get eSIM →

WorldSIM

$15.08

20GB · 30 days

Get eSIM →

Unlimited

eSIM4

$16.98

Unlimited · 3 days

Get eSIM →

WorldSIM

$10.14

Unlimited · 3 days

Get eSIM →

Best price/GB

eSIM4

$1.40

WorldSIM

$0.75

Best price/day

eSIM4

$0.20

WorldSIM

$0.16

Comparison by eSIMKart

Networks in Mongolia

eSIM4: Not listed
WorldSIM: Not listed

Plan types sold for Mongolia

eSIM4WorldSIM Unlimited data ✓ ✓ Regional bundles — ✓ Global bundles (50+ countries) — ✓ Pay as you go — —

Policies compared

Confirmed from each provider's own site — see the trust card on each provider page for the verification date.

ID verification

eSIM4: Not confirmed yet

WorldSIM: Not confirmed yet

Refund policy

eSIM4: 30-day refund window from purchase if the eSIM has not been activated; also refundable/exchangeable if it can't be installed due to a technical problem on eSIM4's side. Once installed, considered used and non-refundable.

WorldSIM: Unused, unopened items can be returned within 14 days for a full refund minus postage; faulty products are exchanged or refunded after testing confirms the fault.

Validity starts

eSIM4: The validity period starts when the eSIM connects to any supported network(s), not at purchase.

WorldSIM: Lifetime validity on the airtime credit itself, as long as you top up at least once within the airtime validity period (30/90/180/365 days depending on the bundle bought) to keep it active.

Fair-use limit

eSIM4: Not confirmed yet

WorldSIM: Not confirmed yet

Top-ups & rollover

eSIM4: Set per plan — most plan listings state "Rechargeable online with no expiry" (see each plan's own note); not every plan mentions rechargeability.

WorldSIM: Pay-as-you-go: top up airtime credit any time it runs low (via account or short-code), then convert credit into data/call/SMS bundles for any destination — no new eSIM or QR scan needed.

Support

eSIM4: WhatsApp · Email · Phone

WorldSIM: Live chat · Phone · Email · Help center · 24/7

Comparison by eSIMKart