Cheapest plan with 7+ days & 3GB+ (5GB+ from 15 days, 10GB+ from 180 days) from each provider, next to co:sim's $7.99. Compare any two in Poland side by side.

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Stellar eSIM

$1.42 −82%

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abesteSIM

$1.66 −79% ESIMKART10

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ASimGo

$1.75 −78% ESIMKART10

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Tripuck

$1.75 −78% ESIMKART

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4S eSIM

$2.27 −72% ESIMKART15

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Roamify

$2.50 −69% 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

Run co:sim? See how you rank against other providers with Partner Insights →

#	Data	Duration	Daily cap	Price/GB	Price/day	Price
1	Compare Best unlimited Unlimited 500MB/day, then 512 Kbps	1 days	500MB/day then 512 Kbps	—	$0.99/day	$0.99	Get eSIM
2	Compare Unlimited 1GB/day, then 1 Mbps	1 days	1GB/day then 1 Mbps	—	$1.99/day	$1.99	Get eSIM
3	Compare 1GB 🌍 Regional Also valid in: Austria, Belgium, Bulgaria, Croatia +28 more	7 days	—	$1.99/GB	$0.28/day	$1.99 $1.99/GB	Get eSIM
4	Compare 1GB	7 days	—	$1.99/GB	$0.28/day	$1.99 $1.99/GB	Get eSIM
5	Compare Unlimited 1GB/day, then 1 Mbps 🌍 Regional Also valid in: Austria, Belgium, Bulgaria, Croatia +28 more	1 days	1GB/day then 1 Mbps	—	$2.99/day	$2.99	Get eSIM
6	Compare Unlimited 2GB/day, then 1 Mbps	1 days	2GB/day then 1 Mbps	—	$3.99/day	$3.99	Get eSIM
7	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
8	Compare Unlimited 2GB/day, then 1 Mbps 🌍 Regional Also valid in: Austria, Belgium, Bulgaria, Croatia +28 more	1 days	2GB/day then 1 Mbps	—	$4.99/day	$4.99	Get eSIM
9	Compare 3GB	30 days	—	$1.66/GB	$0.17/day	$4.99 $1.66/GB	Get eSIM
10	Compare Unlimited 3GB/day, then 1 Mbps	1 days	3GB/day then 1 Mbps	—	$5.99/day	$5.99	Get eSIM
11	Compare 3GB 🌍 Regional Also valid in: Austria, Belgium, Bulgaria, Croatia +28 more	30 days	—	$2.00/GB	$0.20/day	$5.99 $2.00/GB	Get eSIM
12	Compare Unlimited 3GB/day, then 1 Mbps 🌍 Regional Also valid in: Austria, Belgium, Bulgaria, Croatia +28 more	1 days	3GB/day then 1 Mbps	—	$5.99/day	$5.99	Get eSIM
13	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
14	Compare Unlimited 5GB/day, then 512 Kbps	1 days	5GB/day then 512 Kbps	—	$6.99/day	$6.99	Get eSIM
15	Compare Best price 5GB	30 days	—	$1.60/GB	$0.27/day	$7.99 $1.60/GB	Get eSIM
16	Compare 5GB 🌍 Regional Also valid in: Austria, Belgium, Bulgaria, Croatia +28 more	30 days	—	$1.80/GB	$0.30/day	$8.99 $1.80/GB	Get eSIM
17	Compare Unlimited 5GB/day, then 384 Kbps 🌍 Regional Also valid in: Austria, Belgium, Bulgaria, Croatia +28 more	1 days	5GB/day then 384 Kbps	—	$9.99/day	$9.99	Get eSIM
18	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
19	Compare Unlimited 10GB/day, then 512 Kbps	1 days	10GB/day then 512 Kbps	—	$12.99/day	$12.99	Get eSIM
20	Compare 10GB	30 days	—	$1.30/GB	$0.43/day	$12.99 $1.30/GB	Get eSIM
21	Compare 1GB 🌐 Global Also valid in: Albania, Argentina, Armenia, Australia +112 more	7 days	—	$13.99/GB	$2.00/day	$13.99 $13.99/GB	Get eSIM
22	Compare Unlimited 1GB/day, then 384 Kbps 🌐 Global Also valid in: Albania, Argentina, Armenia, Australia +112 more	1 days	1GB/day then 384 Kbps	—	$13.99/day	$13.99	Get eSIM
23	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
24	Compare Unlimited 10GB/day, then 384 Kbps 🌍 Regional Also valid in: Austria, Belgium, Bulgaria, Croatia +28 more	1 days	10GB/day then 384 Kbps	—	$16.99/day	$16.99	Get eSIM
25	Compare 10GB 🌍 Regional Also valid in: Austria, Belgium, Bulgaria, Croatia +28 more	30 days	—	$1.80/GB	$0.60/day	$17.99 $1.80/GB	Get eSIM
26	Compare Unlimited 2GB/day, then 384 Kbps 🌐 Global Also valid in: Albania, Argentina, Armenia, Australia +112 more	1 days	2GB/day then 384 Kbps	—	$22.99/day	$22.99	Get eSIM
27	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
28	Compare Best price/GB 20GB	30 days	—	$1.25/GB	$0.83/day	$24.99 $1.25/GB	Get eSIM
29	Compare 3GB 🌐 Global Also valid in: Albania, Argentina, Armenia, Australia +112 more	30 days	—	$10.66/GB	$1.07/day	$31.99 $10.66/GB	Get eSIM
30	Compare 20GB 🌍 Regional Also valid in: Austria, Belgium, Bulgaria, Croatia +28 more	30 days	—	$1.60/GB	$1.07/day	$31.99 $1.60/GB	Get eSIM
31	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
32	Compare Best price/day 1GB 🌐 Global Also valid in: Åland Islands, Albania, Argentina, Australia +122 more	365 days	—	$40.99/GB	$0.11/day	$40.99 $40.99/GB	Get eSIM
33	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
34	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
35	Compare 50GB	180 days	—	$1.52/GB	$0.42/day	$75.99 $1.52/GB	Get eSIM
36	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
37	Compare 10GB 🌐 Global Also valid in: Albania, Argentina, Armenia, Australia +112 more	30 days	—	$8.90/GB	$2.97/day	$88.99 $8.90/GB	Get eSIM
38	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
39	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
40	Compare 50GB 🌍 Regional Also valid in: Albania, Austria, Belgium, Bosnia & Herzegovina +36 more	30 days	—	$2.60/GB	$4.33/day	$129.99 $2.60/GB	Get eSIM
41	Compare 20GB 🌐 Global Also valid in: Albania, Argentina, Armenia, Australia +112 more	30 days	—	$6.80/GB	$4.53/day	$135.99 $6.80/GB	Get eSIM
42	Compare 20GB 🌐 Global Also valid in: Albania, Argentina, Armenia, Australia +112 more	90 days	—	$7.50/GB	$1.67/day	$149.99 $7.50/GB	Get eSIM
43	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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