Comparison

One Onsite vs Azure ECM

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

Head to head
About

One Onsite

This app assists facilities maintenance technicians in completing work orders efficiently. It provides detailed information, guides users to locations, and streamlines data collection for back-office reporting. The application is designed for ease of use with minimal training required.

Highlights
  • View daily work orders
  • Access issue and location details
  • Review historical service information
  • Guided task completion flow
  • Offline and low-connectivity performance
  • Faster data upload
  • Battery optimization
Features
Read full description

One Onsite by Lessen helps vendors and their technicians complete their facilities maintenance work orders successfully while collecting valuable information along the way. With One Onsite, technicians can see the work they need to do for the day, read through relevant information around the issue, location and historical work done while effectively executing their work on-site with minimal disruption. Some of the key features around this app include: · Guided – With its seamless flow, simple language and focus on one task at a time, One Onsite is simple for the technicians to understand, and they require minimal training to use the app · Informational – One Onsite provides information and photos around the work order, guides the technician to the location that they need to visit and provides relevant historical service information. It also helps the technicians understand what information needs to be provided to their back office based on the trade · Efficient – One Onsite boasts of a vastly improved tech stack from its predecessor with better performance in offline and low connectivity areas, faster upload times and greater battery optimization

About

Azure ECM

This utility app enables precise adjustment of individual Azure motor speed taps to optimize system CFM. It allows for single-tap adjustments on energized taps, with specific limitations on factory-locked taps. Users can reduce torque for lower speeds by selecting alternative taps.

Highlights
  • Adjust individual Azure motor speed taps
  • Optimize system CFM
  • Single-tap adjustment on energized taps
  • Reduce torque for lower speeds
  • Supports iPhone and iPad
Features
Read full description

This app allows the individual Azure motor speed taps to be adjusted for optimizing system CFM.Azure blower motor adjustments can be made to only one tap at a time; the tap being energized is the tap that can be adjusted. Note: if equipped, a 625RPM constant fan tap is factory locked and cannot be adjusted. For lower speeds, select another tap and reduce torque.

Screenshots

One Onsite4 screens
Azure ECM1 screens

Verdict

The call

The clearest difference is review sentiment: Azure ECM at 100% against One Onsite's 23%. Azure ECM also leads on rating (4.2 vs 2.5) and iOS requirement (9.0 vs 15.0). One Onsite's advantage is ratings volume (98 vs 5). On price, update cadence, ads and in-app purchases there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Azure ECM holds the better App Store score, 4.2 against 2.5. That said, the two scores are not equally well evidenced: One Onsite has 98 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 23% of One Onsite's written reviews are positive against 100% of Azure ECM's.

UpkeepUpdate frequency

One Onsite ships an update every 5 weeks, Azure ECM every 2 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
One Onsite versus Azure ECM: the parameters behind the verdict, then further details
ParameterOne OnsiteAzure ECM
PriceFreeFree
Rating2.5 (98 ratings)4.2 (5 ratings) — better
Positive reviews23.1% of reviews100.0% of reviews — better
Number of ratings98 — better5
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size117 MB38 MB
Age rating4+4+
DeveloperSMS Assist, LLC.Zhongshan Broad-Ocean Motor Co., Ltd.

Customer experience

One Onsite

All ratings98 ratings
Positive34.7%
Neutral5.1%
Negative60.2%
Written reviews26 reviews
Positive23.1%
Neutral3.8%
Negative73.1%

Azure ECM

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

One Onsite

No in-app purchases

None

Azure ECM

No in-app purchases

Questions

Is One Onsite free?
One Onsite is free to download, with no in-app purchases.
Is Azure ECM free?
Azure ECM is free to download, with no in-app purchases.
Which has better reviews, One Onsite or Azure ECM?
Azure ECM is rated higher. One Onsite averages 2.5 out of 5 from 98 ratings, while Azure ECM averages 4.2 from 5 ratings.
Do One Onsite or Azure ECM have ads?
Neither One Onsite nor Azure ECM shows ads.
Which is updated more often, One Onsite or Azure ECM?
One Onsite ships an update every 5 weeks, and Azure ECM every 2 months. Most recently, One Onsite was updated on October 14, 2026 and Azure ECM on October 8, 2026.

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