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Weather · head to head

PurpleAir vs Sentera

PurpleAir logo

PurpleAir

Weather

Real-time air quality monitoring for communities

From
$229/one-time
Rated
-
Full reviewWebsite
Sentera logo

Sentera

Agriculture

Precision agriculture sensors and analytics

From
$29/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: PurpleAir purpleAir sensors are one-time hardware purchases rather than a subscription, priced $199 to $279 USD per unit for named models (PA-I-Indoor, PA-II, PA-II-SD), per the vendor's own store (archived, 2021).; Sentera the offering bundles Sentera sensor hardware with the software, with hardware covered by separate Hardware and Services Addenda to the master agreement
  • They diverge on capability: PurpleAir covers PM2.5 monitoring, Sentera covers Multispectral imaging.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which PurpleAir and Sentera actually diverge.

Attributes where PurpleAir and Sentera differ
AttributePurpleAirSentera
Starting price$229/one-time$29/month
Pricing modelone-timesubscription
PlatformsWeb, Api, HardwareWeb, Ios, Android, Hardware
CategoryWeatherAgriculture
Founded20152014

Identical on both: free tier (No), 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 PurpleAir

  • PM2.5 monitoring
  • Real-time map
  • Historical data
  • Community network
  • API access
  • API access
  • Home Assistant
  • Data downloads

Only in Sentera

  • Multispectral imaging
  • Stand counts
  • Weed detection
  • Crop stress analysis
  • Variable rate prescriptions
  • DJI
  • John Deere
  • Climate FieldView

Both cover

  • Web support
  • Hardware support

What people use each for

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

PurpleAir

  • Professional Worknot Sentera
  • Content Creationnot Sentera

Sentera

  • Capturing multispectral and high-resolution aerial imagery of fieldsnot PurpleAir
  • Turning drone imagery into stand counts and crop health analytics in FieldAgentnot PurpleAir
  • Generating variable rate prescriptions with SmartScriptnot PurpleAir

Where each one falls short

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

PurpleAir

  • PurpleAir sensors are one-time hardware purchases rather than a subscription, priced $199 to $279 USD per unit for named models (PA-I-Indoor, PA-II, PA-II-SD), per the vendor's own store (archived, 2021).

Sentera

  • The offering bundles Sentera sensor hardware with the software, with hardware covered by separate Hardware and Services Addenda to the master agreement
  • No price, rate or minimum is published anywhere on the site

Pricing, plan by plan

PurpleAir

$229/one-time
  • Outdoor Sensor$229/one-time
    • PM2.5 monitoring
    • Cloud connectivity
    • Map access
  • Indoor Sensor$199/one-time
    • Indoor monitoring
    • WiFi enabled
    • Real-time data

Sentera

$29/month
  • Scout$1500/year
    • Basic analytics
    • NDVI maps
    • 5000 acres
  • Advanced$5000/year
    • Full analytics
    • Stand counts
    • Unlimited acres

Which should you pick?

Choose PurpleAir if

  • You need pm2.5 monitoring.
  • You work on Web, Api, Hardware.
  • You also want real-time map.
PurpleAir review

Choose Sentera if

  • You need multispectral imaging.
  • You work on Web, Ios, Android, Hardware.
  • You also want stand counts.
Sentera review

Questions people ask

Is PurpleAir or Sentera better?
Neither clearly leads. PurpleAir starts at $229/one-time and Sentera at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PurpleAir or Sentera?
PurpleAir starts at $229/one-time and Sentera at $29/month.
Does PurpleAir or Sentera run on more platforms?
PurpleAir runs on Web, Api, Hardware. Sentera runs on Web, Ios, Android, Hardware.
What is PurpleAir best used for?
PurpleAir is most often used for professional work, content creation. Of those, professional work and content creation are not what Sentera is typically brought in for.
What can PurpleAir do that Sentera cannot?
PurpleAir covers PM2.5 monitoring, Real-time map, Historical data, Community network. Sentera covers Multispectral imaging, Stand counts, Weed detection, Crop stress analysis. Both handle Web support, Hardware support.

Answered from the vendors’ own pages

Sentera: How much does Sentera cost?

Sentera does not publish pricing on their website. The company describes solutions as scalable and affordable but requires direct contact for specific pricing. Customers can call 1-844-SENTERA or use the contact page.

Source
Sentera: How can I get a Sentera pricing quote?

You can contact Sentera directly at 1-844-SENTERA or through their contact page. You can also log into FieldAgent or explore the product catalog and mission calculator for more information about specific offerings.

Source
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