Ask three suppliers what an IoT SIM costs and you will get three answers that cannot be compared. One quotes per SIM, one quotes a pooled bundle, one quotes a headline price with the excess data rate buried on page four. The confusing part is that none of them is necessarily being dishonest. IoT pricing genuinely has several moving parts. Here is how it works, what pushes the price up, and the questions that make quotes comparable.
The 30-second version
- You are paying for three things: the connection per device, the data they use, and the management around it.
- Pooled data is usually cheaper and safer than a fixed allowance on each SIM.
- Multi-network SIMs cost more and are worth it where coverage is unreliable.
- Fixed IP and private APN add cost, and most devices need neither.
- The fees that catch people out are excess data rates, minimum terms and charges for SIMs that sit unused.
On this page
The three things you are actually buying
- The connection. A monthly charge per active SIM, which pays for the SIM being on a network at all. For low-data devices this is most of the cost.
- The data. Either a fixed allowance per SIM, or a shared pool across every SIM on the account. Most IoT devices use tiny amounts.
- The management. Billing, monitoring, support and the ability to change or replace a SIM without starting again. This is where suppliers differ most.
Why pooled data usually wins
Give each SIM its own small allowance and two things happen. The busy devices run out and stop working, and the quiet ones waste what they never use. Pool the data across every SIM and the busy ones simply draw from the quiet ones.
On an estate of devices that mostly send a few kilobytes a day, pooling is the difference between predictable bills and a monthly game of chance. It also means you can add devices without re-forecasting everything.
Ask this one question
"Is the data pooled across all SIMs, and what happens if the pool runs out?" The answer tells you more about a quote than the headline price does.
What makes the price go up or down
| Factor | Effect on price | Worth paying for when |
|---|---|---|
| Data volume | Higher volume, higher cost | The device genuinely sends a lot, such as cameras or signage |
| Multi-network | Higher | Coverage is unreliable, or the device must not drop |
| Fixed IP | Higher | You must reach the device from outside |
| Private APN | Highest | Sensitive data, or a large estate kept off the public internet |
| Number of SIMs | Lower per SIM | Scale usually improves the rate |
| Contract length | Lower per month | You are confident the estate is staying |
| Monitoring and support | Varies | Nobody on site would notice a device going quiet |
The fees that catch businesses out
- Excess data rates. The number that matters when a device misbehaves. Ask for it in writing, per MB or per GB.
- Minimum terms per SIM. Some contracts tie each SIM to its own term, so replacing a device restarts the clock.
- Charges for inactive SIMs. Spares sitting in a drawer can still attract a monthly charge unless the terms say otherwise.
- SIM replacement and delivery. Small, but worth knowing when you have hundreds of devices.
- Connection or activation fees. Often waived, sometimes not.
- Early termination. What it costs to leave, and whether it is per SIM or per account.
- Aggregator markups. Some resellers add a platform fee per SIM. Not wrong, but it should be visible.
How to make three quotes comparable
- State the same brief to everyone: number of devices, what each one sends, where they are, and how long you expect them to be there.
- Ask for the monthly cost per SIM and the pooled data as separate figures.
- Ask for the excess data rate and what happens when the pool is exhausted.
- Ask what happens to a SIM you stop using, and what it costs to replace one.
- Ask who notices when a device goes offline, and how you find out.
- Then compare the totals over the full term, not the headline monthly price.
How we price it, and why we will not publish a single number
An honest answer to "what does an IoT SIM cost" depends on what the device does and where it lives. A vending machine reporting sales, a camera uploading footage and a lift emergency phone are three very different jobs, and quoting one number for all three would be a marketing exercise rather than a quote.
What we will commit to is how it is presented: a per-SIM monthly cost, pooled data across your estate, the excess rate stated up front, one bill, and support that is never charged for. If your estate is mostly low-data devices, expect the connection charge rather than the data to dominate. Send us the list and you will get the numbers for your devices, not for an imaginary average.
Want the actual numbers for your devices?
Tell us how many devices you have, what they do and where they are. We will quote per SIM, show the pooled data, and put the excess rate in writing.