MobiMatter

MobiMatter has no network and no single brand of its own: it resells plans from eight different providers — Sparks, eSIMGo, Airalo, TSimTech, NextLink, RoamVault, 3 and Ubigi — through its own checkout.

That has a practical consequence: which network you connect to depends on the specific plan, not on MobiMatter. Which is why our tables carry the operator in each plan's title ("Japan 50 GB (TSimTech)"). Without it you'd be buying blind.

839 plans across 185 destinations, all in dollars, at $0.279/GB at travel sizes. Entry price $3.49. Third-party comparisons tend to single it out for country and regional plans, particularly in Japan and South Korea.

31 of its plans carry "Unlimited" in the name. None of them are.

Look at the data and every one has a real cap: 66 GB over 10 days, 53 GB over 7. They're daily-pass buckets already multiplied out, not uncapped connections. And some refer to unlimited calls, not data ("EU 120 GB Unlimited Calls").

We store them at their real size. Marking them unlimited would have pulled them out of the per-gigabyte calculation — which is exactly where MobiMatter competes well.

First: its catalogue includes a 3,000 GB plan. It's real, but it isn't a travel product, and its per-gigabyte price — $0.013 — distorted our ranking until we capped calculations at 200 GB. We mention it because if you see that figure on another comparison site, you now know where it comes from.

Second: they offer a discount code, but it doesn't apply itself. You type it at checkout. So we publish the list price with the code alongside — showing the discounted price would promise something that doesn't happen automatically.

Being an intermediary, after-sales support runs through them rather than the brand that built the plan. For an activation problem, that can add a step.