Smart pool monitor comparison Fact-checked

ICO vs iopool EcO: Direct Wi-Fi or a Gateway?

Both monitors avoid subscriptions and test cassettes. The split is hardware: iopool costs less and can report more often, while ICO connects straight to Wi-Fi, recharges over USB and measures salinity on its Salt model.

Overall winner ICO Pool

ICO removes the powered gateway, recharges over USB and measures salt / TDS on the Salt model.

Compare the Specs ↓
Our pick ICO Pool smart water monitor ICO

ICO Pool

From $449

Remote connection Direct Wi-Fi Nothing else to plug in
Chlorine / Bromine $449 $699
Salt water $499 $699
Full ICO details →
Alternative
iopool EcO V2 pool monitor with cOnnect Wi-Fi gateway
iopool

iopool EcO V2 + cOnnect

$359 Start + cOnnect; $409 Salt + cOnnect

Remote connection Gateway Bluetooth probe plus powered cOnnect bridge
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30-second answer

ICO wins overall with the simpler, gateway-free setup.

  • ICO is simpler around the pool because there is no gateway to place, power or keep in Bluetooth range.
  • iopool has the lower upfront price, a two-year warranty and a faster advertised update schedule.
  • A salt-compatible monitor does not necessarily measure salt: iopool does not; ICO Salt does.
Side by side

ICO Pool vs iopool EcO specs

These are the ownership differences that matter after the unboxing, not a list of every marketing feature.

Category ICO Pool Our pick iopool EcO V2 + cOnnect
Typical purchase price $449 Chlorine / Bromine · $499 Salt $359 Start + cOnnect; $409 Salt + cOnnect
Automatic reading schedule Every hour — 24 readings per day Up to every 15 minutes while the cOnnect gateway is online
What it measures pH, ORP and temperature; ICO Salt also reports salt / TDS pH, ORP and temperature; the Salt version is compatible with salt pools but does not report salinity
Subscription / refills No app fee, test cassette or reagent refill No subscription or per-test consumable
Connection Direct 2.4 GHz Wi-Fi plus Bluetooth; no gateway Bluetooth probe; remote access runs through a plug-in Wi-Fi gateway
Power USB-rechargeable battery; rated for 6+ months per charge Replaceable monitor battery, typically 2–3 years; gateway stays plugged in
Sensors and service parts pH, ORP and TDS probes replace individually; Smart Core is also replaceable Combined sensor kits and V2 battery kits are sold
Warranty 1-year limited manufacturer warranty 2 years, subject to support evaluation
Where it goes Floats in the pool or sits in the skimmer Floats in the pool; gateway needs protected power within range
Overall winner ICO Pool ICO removes the powered gateway, recharges over USB and measures salt / TDS on the Salt model. Not our overall pick Its strongest use case is covered honestly below.

The $90 saving comes with another box

iopool's corresponding bundles start about $90 below ICO. Neither product charges for its app or burns through a test cassette, so there is no hidden subscription comparison to make.

The trade is installation. EcO is a Bluetooth probe. Remote data depends on the cOnnect gateway staying powered where it can hear the probe and reach home Wi-Fi. ICO puts Wi-Fi in the monitor itself.

Frequent updates versus fewer dependencies

With cOnnect online, iopool advertises measurements as often as every 15 minutes. ICO uses a fixed one-hour schedule. If raw sampling frequency is your top priority, iopool has the advantage.

ICO's advantage is predictability: there is no gateway outage to separate the probe from the cloud, and the rechargeable battery has a published 6+ month interval.

Salt compatibility is not salt measurement

The EcO Salt package is built for a salt-treated pool, but its probe still reports pH, ORP and temperature rather than the salt level. ICO Salt adds a conductivity probe and reports salt / TDS in the app.

Both brands offer replacement hardware. iopool replaces the sensing assembly as a kit; ICO lets the owner replace pH, ORP and TDS probes separately.

Pool Robots verdict Winner: ICO Pool

ICO wins overall with the simpler, gateway-free setup.

Our pick is ICO because direct Wi-Fi removes the fussiest piece of the iopool system, and ICO Salt actually reports salinity. iopool remains a credible lower-cost choice, especially where a sheltered outlet already sits close to the pool.

Buy ICO when…

Choose ICO for direct Wi-Fi, a rechargeable battery, individually replaceable probes and actual salt / TDS readings on the Salt version.

Where iopool EcO still has an edge

Choose iopool to spend less up front, get the longer two-year warranty and receive more frequent updates when its gateway has a reliable connection.

Buy the Winner — ICO Pool
Common questions

ICO vs iopool EcO FAQ

Which is better, ICO Pool or iopool EcO V2 + cOnnect?

ICO Pool is our overall winner. ICO removes the powered gateway, recharges over USB and measures salt / TDS on the Salt model.

Does iopool need the cOnnect gateway?

For remote access, yes. The EcO probe uses Bluetooth and the powered cOnnect gateway relays its data to Wi-Fi. Nearby Bluetooth use does not need the gateway.

Does iopool measure the salt level?

No. Its Salt model is designed for saltwater pools but does not report salinity. ICO Salt measures conductivity-derived salt and TDS.

Is iopool cheaper than ICO?

Yes. The comparable iopool bundles start about $90 lower. ICO's premium buys direct Wi-Fi, USB recharging, individual probes and salt measurement on ICO Salt.

Keep comparing

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Last fact-checked November 5, 2026 from manufacturer product pages, manuals and support material. This is an editorial feature comparison, not an independent laboratory accuracy test. Prices, stock and terms can change; make sure the exact model before ordering.