Cheapest plan with 7+ days & 3GB+ (5GB+ from 15 days, 10GB+ from 180 days) from each provider, next to 4S's $2.80. Compare any two in Réunion side by side.

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Tripuck

$1.90 −32% ESIMKART

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$2.15 −23% ESIMKART10

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MicroEsim

$2.26 −19% ESIMKART5

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ASimGo

$2.26 −19% ESIMKART10

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$2.48 −11%

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eSIMX

$3.00 +7%

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About 4S eSIM

10 of 12 facts confirmed

Still researching: Founded · ID verification

Headquarters: Kowloon, Hong Kong
Legal entity: Wans Technology Limited
Website: 4s.net
Refund policy: Refund eligibility is reviewed case-by-case based on order/eSIM status and reason — no fixed window stated; contact support to request review.
Validity starts: Most plans start counting on first use, when the eSIM connects and begins using data (checked on your 4S service page).
Fair-use limit: 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.
Top-ups & rollover: 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.
Lost device / reinstalling: Each eSIM QR/activation code can only be installed once; a deleted eSIM usually cannot be reinstalled with the same code — contact support for a replacement.
Billing currency: Checkout supports multiple currencies (USD, EUR, GBP, JPY, CNY and others via a currency selector); USD is the default.
Support: Email · Live chat · Help center
Payment: Google Pay · Alipay · Card · PayPal · Crypto

Facts verified on Sep 7, 2026 from 4S eSIM's own site

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#	Data	Duration	Daily cap	Price/GB	Price/day	Price
1	Compare 1GB	1 days	—	$1.35/GB	$1.35/day	$1.35 $1.35 $1.15 $1.35/GB	Get eSIM
2	Compare 1GB	5 days	—	$1.39/GB	$0.28/day	$1.39 $1.39 $1.18 $1.39/GB	Get eSIM
3	Compare 1GB	7 days	—	$1.43/GB	$0.20/day	$1.43 $1.43 $1.22 $1.43/GB	Get eSIM
4	Compare 3GB	1 days	—	$0.86/GB	$2.58/day	$2.58 $2.58 $2.19 $0.86/GB	Get eSIM
5	Compare 3GB	5 days	—	$0.90/GB	$0.54/day	$2.69 $2.69 $2.29 $0.90/GB	Get eSIM
6	Compare Best price 3GB	7 days	—	$0.93/GB	$0.40/day	$2.80 $2.80 $2.38 $0.93/GB	Get eSIM
7	Compare 3GB	15 days	—	$0.97/GB	$0.19/day	$2.91 $2.91 $2.47 $0.97/GB	Get eSIM
8	Compare Best unlimited Unlimited 3GB/day, then 128 Kbps	1 days	3GB/day then 128 Kbps	—	$2.95/day	$2.95 $2.95 $2.51	Get eSIM
9	Compare 3GB	30 days	—	$1.04/GB	$0.10/day	$3.13 $3.13 $2.66 $1.04/GB	Get eSIM
10	Compare 5GB	1 days	—	$0.74/GB	$3.70/day	$3.70 $3.70 $3.15 $0.74/GB	Get eSIM
11	Compare 5GB	5 days	—	$0.77/GB	$0.77/day	$3.87 $3.87 $3.29 $0.77/GB	Get eSIM
12	Compare 5GB	7 days	—	$0.81/GB	$0.58/day	$4.05 $4.05 $3.44 $0.81/GB	Get eSIM
13	Compare 5GB	15 days	—	$0.84/GB	$0.28/day	$4.22 $4.22 $3.59 $0.84/GB	Get eSIM
14	Compare Unlimited 5GB/day, then 128 Kbps	1 days	5GB/day then 128 Kbps	—	$4.29/day	$4.29 $4.29 $3.65	Get eSIM
15	Compare 5GB	30 days	—	$0.92/GB	$0.15/day	$4.58 $4.58 $3.89 $0.92/GB	Get eSIM
16	Compare Unlimited 5GB/day, then 128 Kbps	5 days	5GB/day then 128 Kbps	—	$0.96/day	$4.82 $4.82 $4.10	Get eSIM
17	Compare Unlimited 5GB/day, then 128 Kbps	7 days	5GB/day then 128 Kbps	—	$0.82/day	$5.72 $5.72 $4.86	Get eSIM
18	Compare 10GB	5 days	—	$0.68/GB	$1.35/day	$6.77 $6.77 $5.75 $0.68/GB	Get eSIM
19	Compare 10GB	7 days	—	$0.71/GB	$1.01/day	$7.10 $7.10 $6.04 $0.71/GB	Get eSIM
20	Compare 10GB	15 days	—	$0.74/GB	$0.50/day	$7.44 $7.44 $6.32 $0.74/GB	Get eSIM
21	Compare 10GB	30 days	—	$0.81/GB	$0.27/day	$8.12 $8.12 $6.90 $0.81/GB	Get eSIM
22	Compare Unlimited 10GB/day, then 128 Kbps	5 days	10GB/day then 128 Kbps	—	$1.72/day	$8.59 $8.59 $7.30	Get eSIM
23	Compare 10GB	90 days	—	$0.88/GB	$0.10/day	$8.79 $8.79 $7.47 $0.88/GB	Get eSIM
24	Compare 10GB	180 days	—	$0.95/GB	$0.05/day	$9.46 $9.46 $8.04 $0.95/GB	Get eSIM
25	Compare Best price/day 10GB	365 days	—	$1.01/GB	$0.03/day	$10.14 $10.14 $8.62 $1.01/GB	Get eSIM
26	Compare Unlimited 10GB/day, then 128 Kbps	7 days	10GB/day then 128 Kbps	—	$1.47/day	$10.31 $10.31 $8.76	Get eSIM
27	Compare 20GB	5 days	—	$0.61/GB	$2.46/day	$12.28 $12.28 $10.44 $0.61/GB	Get eSIM
28	Compare 20GB	7 days	—	$0.65/GB	$1.85/day	$12.93 $12.93 $10.99 $0.65/GB	Get eSIM
29	Compare 20GB	15 days	—	$0.68/GB	$0.90/day	$13.57 $13.57 $11.53 $0.68/GB	Get eSIM
30	Compare 20GB	30 days	—	$0.74/GB	$0.50/day	$14.86 $14.86 $12.63 $0.74/GB	Get eSIM
31	Compare Unlimited 20GB/day, then 128 Kbps	5 days	20GB/day then 128 Kbps	—	$3.15/day	$15.76 $15.76 $13.40	Get eSIM
32	Compare 20GB	90 days	—	$0.81/GB	$0.18/day	$16.14 $16.14 $13.72 $0.81/GB	Get eSIM
33	Compare 20GB	180 days	—	$0.87/GB	$0.10/day	$17.43 $17.43 $14.82 $0.87/GB	Get eSIM
34	Compare 20GB	365 days	—	$0.94/GB	$0.05/day	$18.72 $18.72 $15.91 $0.94/GB	Get eSIM
35	Compare Unlimited 20GB/day, then 128 Kbps	7 days	20GB/day then 128 Kbps	—	$2.72/day	$19.04 $19.04 $16.18	Get eSIM
36	Compare 30GB	15 days	—	$0.64/GB	$1.27/day	$19.09 $19.09 $16.23 $0.64/GB	Get eSIM
37	Compare 30GB	30 days	—	$0.70/GB	$0.70/day	$20.92 $20.92 $17.78 $0.70/GB	Get eSIM
38	Compare 30GB	90 days	—	$0.76/GB	$0.25/day	$22.76 $22.76 $19.35 $0.76/GB	Get eSIM
39	Compare Unlimited 20GB/day, then 128 Kbps	15 days	20GB/day then 128 Kbps	—	$1.55/day	$23.22 $23.22 $19.74	Get eSIM
40	Compare 30GB	180 days	—	$0.82/GB	$0.14/day	$24.60 $24.60 $20.91 $0.82/GB	Get eSIM
41	Compare 30GB	365 days	—	$0.88/GB	$0.07/day	$26.44 $26.44 $22.47 $0.88/GB	Get eSIM
42	Compare Best price/GB 50GB	5 days	—	$0.54/GB	$5.38/day	$26.90 $26.90 $22.87 $0.54/GB	Get eSIM
43	Compare 50GB	7 days	—	$0.57/GB	$4.05/day	$28.36 $28.36 $24.11 $0.57/GB	Get eSIM
44	Compare 50GB	15 days	—	$0.60/GB	$1.99/day	$29.81 $29.81 $25.34 $0.60/GB	Get eSIM
45	Compare 50GB	30 days	—	$0.65/GB	$1.09/day	$32.72 $32.72 $27.81 $0.65/GB	Get eSIM
46	Compare Unlimited 30GB/day, then 128 Kbps	15 days	30GB/day then 128 Kbps	—	$2.19/day	$32.88 $32.88 $27.95	Get eSIM
47	Compare Unlimited 50GB/day, then 128 Kbps	5 days	50GB/day then 128 Kbps	—	$6.95/day	$34.76 $34.76 $29.55	Get eSIM
48	Compare 50GB	90 days	—	$0.71/GB	$0.40/day	$35.63 $35.63 $30.29 $0.71/GB	Get eSIM
49	Compare 50GB	180 days	—	$0.77/GB	$0.21/day	$38.54 $38.54 $32.76 $0.77/GB	Get eSIM
50	Compare Unlimited 30GB/day, then 128 Kbps	30 days	30GB/day then 128 Kbps	—	$1.37/day	$41.15 $41.15 $34.98	Get eSIM
51	Compare 50GB	365 days	—	$0.83/GB	$0.11/day	$41.46 $41.46 $35.24 $0.83/GB	Get eSIM
52	Compare Unlimited 50GB/day, then 128 Kbps	7 days	50GB/day then 128 Kbps	—	$6.03/day	$42.18 $42.18 $35.85	Get eSIM
53	Compare Unlimited 50GB/day, then 128 Kbps	15 days	50GB/day then 128 Kbps	—	$3.44/day	$51.64 $51.64 $43.89	Get eSIM
54	Compare Unlimited 50GB/day, then 128 Kbps	30 days	50GB/day then 128 Kbps	—	$2.16/day	$64.74 $64.74 $55.03	Get eSIM

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