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4S 8 cheapest rows Lempart Flex 0 cheapest rows

4S eSIM vs Lempart Flex in Bulgaria

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

Cheapest overall
4S eSIM
4S eSIM
8/8 cheapest rows
10 of 12 facts confirmed Score 84/100 -15%

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

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Lempart Flex
Lempart Flex
0/8 cheapest rows
Fully verified 12 of 12 facts confirmed Score 81/100 -10%

Best for: Unlimited data · Multi-country trips · No ID check · Short trips

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4S eSIM is the cheapest option in 8 of the 8 price rows for Bulgaria. Live plans from each provider's catalog, re-checked daily.

Prices in Bulgaria

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

Starting price
4S
$1.18
1GB · 1 days
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Lempart Flex
$2.99
1GB · 7 days
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1 GB or more
4S
$1.18
1GB · 1 days
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Lempart Flex
$2.99
1GB · 7 days
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5 GB or more
4S
$2.91
5GB · 1 days
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Lempart Flex
$5.49
5GB · 7 days
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10 GB or more
4S
$5.17
10GB · 5 days
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Lempart Flex
$7.99
10GB · 30 days
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20 GB or more
4S
$9.24
20GB · 5 days
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Lempart Flex
$14.49
20GB · 30 days
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Unlimited
4S
$2.36
Unlimited · 1 days
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Lempart Flex
$2.99
Unlimited · 1 days
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Best price/GB
4S
$0.40
Lempart Flex
$0.57
Best price/day
4S
$0.02
Lempart Flex
$0.03
Comparison by eSIMKart

Networks in Bulgaria

4S
Not listed
Lempart Flex
A14G Telenor4G Vivacom4G

Plan types sold for Bulgaria

4SLempart Flex 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
4S: Not confirmed yet
Lempart Flex: Not required
Refund policy
4S: Refund eligibility is reviewed case-by-case based on order/eSIM status and reason — no fixed window stated; contact support to request review.
Lempart Flex: Full refund on request while the eSIM has not been issued, and always in full if it could not be activated in its coverage area through no fault of yours. If you asked for immediate issue at checkout, an issued plan is not refundable; otherwise there is a 14-day withdrawal right, refunded less a proportionate amount for data used.
Validity starts
4S: Most plans start counting on first use, when the eSIM connects and begins using data (checked on your 4S service page).
Lempart Flex: Validity normally starts when the eSIM first connects to a network in its coverage area (Terms §6); the plan must be installed within the period stated on it, usually 180 days from purchase.
Fair-use limit
4S: Unlimited plans include a high-speed data quota for the full validity period; after it is used, speed drops to up to 1 Mbps until the plan expires.
Lempart Flex: Unlimited plans run at full speed up to the daily amount shown on the plan (500 MB to 10 GB), then continue at the stated reduced speed (384 kbps, 512 kbps or 1 Mbps) until the next day.
Top-ups & rollover
4S: Self-serve top-up (same destination/region only) adds high-speed data to the current plan and extends its validity by the top-up package's own validity period.
Lempart Flex: Top-ups are available on most plans; plans marked "no top-up" cannot be extended.
Support
4S: Email · Live chat · Help center
Lempart Flex: Email · Help center · Email support every day; a person replies, usually within one working day.
Comparison by eSIMKart

4S vs Lempart Flex in Bulgaria — common questions

Which is cheapest for Bulgaria?

It depends on the trip size — see the price rows above for Bulgaria.

Who has the cheapest unlimited plan for Bulgaria?

4S eSIM sells the cheapest unlimited plan for Bulgaria at $2.36 (1 day). Unlimited plans carry fair-use limits — see each provider's policy row.

Do these providers require ID verification?

4S eSIM: not confirmed yet. Lempart Flex: no ID verification required. Confirmed from each provider's own site; rules can vary by destination.

Is there a discount code for Bulgaria eSIMs?

4S eSIM: ESIMKART15 (-15%). Lempart Flex: ESIMKART (-10%). Codes are re-verified on every catalog sync.

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