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Energy · head to head

OATI webSmartEnergy vs Shelly

OATI webSmartEnergy logo

OATI webSmartEnergy

Energy

Comprehensive utility billing and customer engagement

From
On request
Rated
-
Full reviewWebsite
Shelly logo

Shelly

Smart Home

Powerful WiFi smart home devices with local control

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Shelly has a free tier, so it costs nothing to try first.
  • Each has a real cost: OATI webSmartEnergy oATI publishes no price for webSmartEnergy anywhere on its site; even the product overview is gated behind a brochure request form, with further detail requiring direct email contact to [email protected] rather than any published rate (archived brochure page, 25 June 2024); Shelly premium features limited to cloud-based functionality; local control requires separate setup
  • They diverge on capability: OATI webSmartEnergy covers Customer information system, Shelly covers Local Control.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which OATI webSmartEnergy and Shelly actually diverge.

Attributes where OATI webSmartEnergy and Shelly differ
AttributeOATI webSmartEnergyShelly
Starting priceOn requestFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWeb, Mobile, ApiWeb, Mobile app, Cloud, Local network
CategoryEnergySmart Home
Founded19952016

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in OATI webSmartEnergy

  • Customer information system
  • Utility billing
  • Payment processing
  • Smart meter integration
  • Rate management
  • Service order management
  • Customer portal
  • Demand response

Only in Shelly

  • Local Control
  • Open API
  • MQTT Support
  • Energy Monitoring
  • Home Assistant
  • Alexa
  • Google Home
  • SmartThings

What people use each for

The jobs each tool is most often brought in to do.

OATI webSmartEnergy

  • Utility billingnot Shelly
  • Customer managementnot Shelly
  • Smart meter datanot Shelly
  • Rate analysisnot Shelly
  • Demand response programsnot Shelly

Shelly

  • Smart home automation and controlnot OATI webSmartEnergy
  • Energy monitoring and managementnot OATI webSmartEnergy
  • WiFi/Bluetooth/Matter device integrationnot OATI webSmartEnergy

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

OATI webSmartEnergy

  • OATI publishes no price for webSmartEnergy anywhere on its site; even the product overview is gated behind a brochure request form, with further detail requiring direct email contact to [email protected] rather than any published rate (archived brochure page, 25 June 2024)

Shelly

  • Premium features limited to cloud-based functionality; local control requires separate setup
  • Device-specific capabilities vary; not all features available across entire product range

Pricing, plan by plan

OATI webSmartEnergy

On request
  • CIS Basic$undefined/custom
    • Customer management
    • Billing engine
    • Payment processing
  • CIS Advanced$undefined/custom
    • Advanced rate structures
    • Demand response
    • Prepaid metering
  • Enterprise$undefined/custom
    • MDM integration
    • Analytics suite
    • Multi-commodity

Shelly

Free

No published plan breakdown. See the Shelly review.

Which should you pick?

Choose OATI webSmartEnergy if

  • You need customer information system.
  • You work on Web, Mobile, Api.
  • You also want utility billing.
OATI webSmartEnergy review

Choose Shelly if

  • You need local control.
  • You want to start without paying.
  • You work on Web, Mobile app, Cloud, Local network.
  • You also want open api.
Shelly review

Questions people ask

Is OATI webSmartEnergy or Shelly better?
Neither clearly leads. OATI webSmartEnergy starts at On request and Shelly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OATI webSmartEnergy or Shelly?
Shelly has a free tier; the other does not. Paid plans start at On request for OATI webSmartEnergy and Free for Shelly.
Does OATI webSmartEnergy or Shelly run on more platforms?
OATI webSmartEnergy runs on Web, Mobile, Api. Shelly runs on Web, Mobile app, Cloud, Local network.
Can I use Shelly for free?
Yes. Shelly has a free tier, so you can try it without paying. OATI webSmartEnergy starts at On request.
What is OATI webSmartEnergy best used for?
OATI webSmartEnergy is most often used for utility billing, customer management, smart meter data, rate analysis. Of those, utility billing and customer management are not what Shelly is typically brought in for.
What can OATI webSmartEnergy do that Shelly cannot?
OATI webSmartEnergy covers Customer information system, Utility billing, Payment processing, Smart meter integration. Shelly covers Local Control, Open API, MQTT Support, Energy Monitoring.

Answered from the vendors’ own pages

Shelly: Does Shelly offer a free tier or paid premium service?

Shelly offers a free service with an option to upgrade. The site mentions Go Premium in the Shelly app, which provides more automation and control capabilities. A Shelly Cloud Premium Voucher is available for purchase.

Source
Shelly: What is the difference between free Shelly and Shelly Cloud Premium?

The free version provides basic functionality, while Premium unlocks more automation options and additional control features. Specific pricing for Premium is not disclosed on the homepage.

Source
Shelly: Can I purchase Shelly Cloud Premium directly?

Yes. Shelly Cloud Premium Vouchers are available for purchase through the Shelly shop. Pricing details are available on the product shop page.

Source
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