MeSIM

MeSIM is an online store that sells prepaid travel eSIM plans you install on an unlocked phone before a trip.

What the store sells

The site at mesim.io calls itself an online travel eSIM store. It says you pick a prepaid plan, pay on the site, and get the eSIM digitally. Their steps are: compare data, validity, price and network for a destination; buy and receive the details; install the eSIM on a compatible unlocked device before you leave; turn it on after you arrive and join a supported network.

Plans are grouped as one country, a region, global coverage, unlimited-style data, and plans that include a phone number. The homepage says the catalogue has 7,000+ plans across 200+ destinations. That count is theirs. A supported-devices page tells you to check the phone before buying. The static copy of that page does not list the phones.

The image on this listing is MeSIM's share card of the homepage. It is their marketing image, not an order placed by Seailife.

Prices they print

Two plan pages, read on 2026-10-25, match the homepage examples. Japan 10GB for 30 days is USD 12.99 on NTT docomo, listed as 3G/4G/5G, reloadable, with no phone number. United States 10GB for 30 days is USD 16.49 on Verizon, with the same shape: fixed data, no phone number, reloadable, instant digital delivery. Both pages say the allowance lasts across the 30 days, and that the plan is for data, so calling and texting apps are the path unless checkout says otherwise.

The homepage comparison is their own, and they mark the limits. It covers selected 30-day country plans in US dollars, before coupons. MeSIM, Saily and Airalo are fixed 10GB offers. Holafly in the same table is unlimited, which they say is a different allowance. They say they have not compared every plan, and that MeSIM may not be cheaper on every offer. Their catalogue date on that table is 2026-10-24. They say competitor public prices were checked on 2026-10-19. This listing did not reopen those competitor pages.

• Australia, 10GB for 30 days: MeSIM USD 12.99. They say that is USD 5.00 under the lower of the matched Airalo or Saily 10GB prices, which they list at USD 18.00. Their unlimited 30-day row is USD 17.99. Holafly unlimited is USD 76.50.
• Japan, 10GB for 30 days: the same 12.99, 18.00 and 5.00 gap. Their unlimited 30-day row is USD 17.99. Holafly unlimited is USD 73.90.
• United States, 10GB for 30 days: MeSIM USD 16.49. They say that is USD 6.01 under a matched price of USD 22.50. Their unlimited 30-day row is USD 22.99. Holafly unlimited is USD 73.90.

A separate 10GB price index is only their country catalogue, not the whole market. The page date is 2026-10-24, in US dollars, before coupons. On that snapshot, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia and Denmark are USD 9.99. Australia is USD 12.99, China is USD 13.99, and Angola is USD 121.49. Prices can change.

Unlimited does not mean one speed

The unlimited page says unlimited usage does not mean unlimited high-speed data. Daily-priced rows show a one-day total. Fields marked "Not confirmed" are left blank on purpose. The catalogue date there is also 2026-10-24. A Singapore one-day row is USD 3.49, with 1GB at full speed and then 384 Kbps, and the network is not confirmed. A United States one-day row is USD 3.49, with 1GB at full speed and then 512 Kbps, on Verizon. Those one-day caps are not the same product as the 30-day unlimited prices on the homepage.

Plans that mention a phone number

The phone-number page says 51 current plans are identified by TGT as including a phone number or phone service. It says each plan page shows whatever the supplier confirmed, and that one-time-password delivery is not guaranteed unless a plan says so. One card on that page is Europe orange holiday: 500GB, 90 days, USD 150.49, 38 destinations in what they label TGT-40. The same cards say checkout is Stripe, and that a QR code arrives on the confirmation page and by email.

Price match, and who to write

The about page offers a price match before you buy. You send the MeSIM plan and a link or screenshot of a cheaper public offer on WhatsApp. They require the same destinations, data, validity and relevant features, including high-speed limits, calls, texts and hotspot, compared as a full price in the same currency with mandatory charges included. If they accept it, they say they will make a discount code for that order. They say this does not promise a refund on an order you already placed.

Payment questions, missing order emails, refunds and general questions go to [email protected]. The about page does not name a registered company. The footer says © 2024 mesim.io, while the price pages above are dated 2026-10-24. The static privacy page did not include the policy text. Social accounts linked from the site data include X.