Cheapest plan with 7+ days & 3GB+ (5GB+ from 15 days, 10GB+ from 180 days) from each provider, next to co:sim's $32.99. Compare any two in Guernsey side by side.

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$3.74 −89% ESIMKART5

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$4.43 −87% ESIMKART

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$5.28 −84% ESIMKART

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$5.90 −82% ESIMKART

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About co:sim

4 of 12 facts confirmed

Still researching: Founded · Headquarters · Legal entity · Validity starts · Lost device / reinstalling · Billing currency · Support · ID verification

Website: cosim.io/en
Refund policy: Uninstalled eSIMs refunded unconditionally within 30 days of purchase; once installed, refundable only for a technical issue on co:sim's side.
Fair-use limit: Daily plans throttle to a lower speed (e.g. 512Kbps) once the daily limit is reached; total-data plans simply stop once depleted.
Top-ups & rollover: Top up your balance anytime on the website -- instant, choose from various amounts; PAYG deducts per MB, data packages from $0.90/GB.
Payment: Card · Apple Pay · Google Pay · Alipay · Crypto

Facts verified on Sep 1, 2026 from co:sim's own site

#	Data	Duration	Daily cap	Price/GB	Price/day	Price
1	Compare Best unlimited Unlimited 500MB/day, then 384 Kbps 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	1 days	500MB/day then 384 Kbps	—	$4.99/day	$4.99	Get eSIM
2	Compare Unlimited 500MB/day, then 384 Kbps 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	1 days	500MB/day then 384 Kbps	—	$4.99/day	$4.99	Get eSIM
3	Compare 1GB 🌐 Global Also valid in: Afghanistan, Åland Islands, Albania, Algeria +188 more	5 days	—	$5.99/GB	$1.20/day	$5.99 $5.99/GB	Get eSIM
4	Compare 1GB 🌐 Global Also valid in: Afghanistan, Åland Islands, Albania, Algeria +188 more	5 days	—	$5.99/GB	$1.20/day	$5.99 $5.99/GB	Get eSIM
5	Compare 1GB	7 days	—	$8.99/GB	$1.28/day	$8.99 $8.99/GB	Get eSIM
6	Compare 1GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	7 days	—	$9.99/GB	$1.43/day	$9.99 $9.99/GB	Get eSIM
7	Compare 1GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	7 days	—	$9.99/GB	$1.43/day	$9.99 $9.99/GB	Get eSIM
8	Compare Unlimited 2GB/day, then 384 Kbps 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	1 days	2GB/day then 384 Kbps	—	$16.99/day	$16.99	Get eSIM
9	Compare Unlimited 2GB/day, then 384 Kbps 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	1 days	2GB/day then 384 Kbps	—	$16.99/day	$16.99	Get eSIM
10	Compare 3GB 🌐 Global Also valid in: Afghanistan, Åland Islands, Albania, Algeria +188 more	30 days	—	$6.00/GB	$0.60/day	$54.99 -67% $17.99 $6.00/GB	Get eSIM
11	Compare 3GB	30 days	—	$7.33/GB	$0.73/day	$21.99 $7.33/GB	Get eSIM
12	Compare 3GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	30 days	—	$8.33/GB	$0.83/day	$24.99 $8.33/GB	Get eSIM
13	Compare 3GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	30 days	—	$8.33/GB	$0.83/day	$24.99 $8.33/GB	Get eSIM
14	Compare Best price 5GB	30 days	—	$6.60/GB	$1.10/day	$32.99 $6.60/GB	Get eSIM
15	Compare 5GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	30 days	—	$6.80/GB	$1.13/day	$33.99 $6.80/GB	Get eSIM
16	Compare 5GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	30 days	—	$6.80/GB	$1.13/day	$33.99 $6.80/GB	Get eSIM
17	Compare 3GB 🌐 Global Also valid in: Afghanistan, Åland Islands, Albania, Algeria +188 more	30 days	—	$18.33/GB	$1.83/day	$54.99 $18.33/GB	Get eSIM
18	Compare 10GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	30 days	—	$5.70/GB	$1.90/day	$56.99 $5.70/GB	Get eSIM
19	Compare 10GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	30 days	—	$5.70/GB	$1.90/day	$56.99 $5.70/GB	Get eSIM
20	Compare 5GB 🌐 Global Also valid in: Afghanistan, Åland Islands, Albania, Algeria +188 more	60 days	—	$16.20/GB	$1.35/day	$80.99 $16.20/GB	Get eSIM
21	Compare 5GB 🌐 Global Also valid in: Afghanistan, Åland Islands, Albania, Algeria +188 more	60 days	—	$16.20/GB	$1.35/day	$80.99 $16.20/GB	Get eSIM
22	Compare 20GB	30 days	—	$4.40/GB	$2.93/day	$87.99 $4.40/GB	Get eSIM
23	Compare 20GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	30 days	—	$4.60/GB	$3.07/day	$91.99 $4.60/GB	Get eSIM
24	Compare 20GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	30 days	—	$4.60/GB	$3.07/day	$91.99 $4.60/GB	Get eSIM
25	Compare Best price/day 20GB 🌐 Global Also valid in: Afghanistan, Åland Islands, Albania, Algeria +188 more	365 days	—	$6.35/GB	$0.35/day	$126.99 $6.35/GB	Get eSIM
26	Compare 20GB 🌐 Global Also valid in: Afghanistan, Åland Islands, Albania, Algeria +188 more	365 days	—	$6.35/GB	$0.35/day	$126.99 $6.35/GB	Get eSIM
27	Compare Best price/GB 50GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	180 days	—	$3.52/GB	$0.98/day	$175.99 $3.52/GB	Get eSIM
28	Compare 50GB 🌍 Regional Also valid in: Åland Islands, Austria, Belgium, Bulgaria +36 more	180 days	—	$3.52/GB	$0.98/day	$175.99 $3.52/GB	Get eSIM

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