Comparison

Axxon vs SI

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Axxon

Features
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Axxon by Dual Fuel offers state-of-the-art control sequences and technologies that enhance equipment performance and efficiency. With 24/7 local and cloud access, our system intelligently monitors and adjusts key building assets in real-time, optimizing Boilers, Hot Water Heaters, Tanks, Zone Valves, Residential Unit Temperatures, and more.

About

SI

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SI Field is the official mobile app for Sensor Industries customers and field technicians, putting real-time sensor management in the palm of your hand. WORK ORDERS โ€” FOR PROPERTY STAFF Stay on top of every open maintenance request at your property. View work order details, add timestamped notes, select completed action and cause, and close out jobs โ€” all from your phone, without logging into a desktop dashboard. SENSOR INSTALLATIONS โ€” FOR TECHNICIANS Sensor Industries technicians and contracted installers can follow a guided, step-by-step installation workflow: - Browse properties and select the target unit and slot - Scan or enter a device serial number for instant validation - Create the sensor assignment directly from the field - Run a live device health check to confirm the sensor is communicating - Capture and upload install photos - Review the completed assignment before leaving the site OFFLINE-FIRST SYNC No signal? No problem. Completed installs are saved locally and automatically synced when connectivity is restored. SI Field requires a valid Sensor Industries account. Contact Sensor Industries to get access.

Screenshots

Axxon4 screens
SI4 screens

Verdict

The call

The clearest difference is update cadence: SI at every 3 days against Axxon's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Axxon ships an update every 7 months, SI every 3 days. The most recent releases landed on October 8, 2026 and September 11, 2026 respectively.

Scorecard1 real difference ยท 5 level
Axxon versus SI: the parameters behind the verdict, then further details
ParameterAxxonSI
PriceFreeFree
Update frequencyEvery 7 monthsEvery 3 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better16.4
Further details โ€” not scored
Size26 MB41 MB
Age rating4+4+
DeveloperDual Fuel Company LLCSensor Industries

In-app purchases

None

Axxon

No in-app purchases

None

SI

No in-app purchases

Questions

Is Axxon free?
Axxon is free to download, with no in-app purchases.
Is SI free?
SI is free to download, with no in-app purchases.
Do Axxon or SI have ads?
Neither Axxon nor SI shows ads.
Which is updated more often, Axxon or SI?
Axxon ships an update every 7 months, and SI every 3 days. Most recently, Axxon was updated on October 8, 2026 and SI on September 11, 2026.

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