eSIM vs. iSIM vs. SIM: What’s the Difference and Which Is Better for Healthcare?

HealthTech September 18, 2023
Brian Eastwood

Manufacturers of smartphones, wearables and other mobile devices are ditching physical subscriber identification module cards for embedded SIM and integrated SIM. Healthcare tech and medtech stand to benefit.

The subscriber identification module (SIM) card has gone through numerous evolutions since it was first introduced in 1991, getting smaller and smaller to take up less space inside cell phones and other portable devices.

The physical form factor has its limits, though. Over the past several years, manufacturers have transitioned to embedded SIM, or eSIM, which offers smaller cards that are permanent to a devices and can be updated over the internet.

Though adoption was initially slow, Counterpoint Technology Market Research notes that “eSIM adoption has passed the inflection point” and will...

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