Optsy Mobile vs CORE Service
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Optsy Mobile
This field service management app helps technicians in the field efficiently manage their schedules, work orders, and customer interactions. It allows for real-time updates, offline functionality, and direct communication with customers and contacts.
- View and update schedules
- Record work order status changes
- Track time-in/time-out
- Update labor and invoice details
- Record materials used and add attachments
- Capture customer signatures
- Offline functionality
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Optsy Mobile is the ultimate Field Service Management application for service techs in the field. Working in conjunction with the Optsy server application, this app will allow service companies and their technicians to work seamlessly and more efficient. Some of the highlights are: · View and update all details of your and/or your field techs schedules. · Record status changes to work orders in process · Change time-in and time-out · Update labor details, invoice information · Record materials used on the job and add attachments · Capture customer’s signature · Call, email and get driving directions directly from the application. For your customers, job sites, contacts, vendors and manufacturers · View A/R balances for customers and job sites · Most features work when device is offline and has no internet connection For any technical assistance or feature requests please contact our support team directly.
CORE Service
This app provides a wireless interface for commercial HVAC technicians to control and service specific Lennox rooftop units. It offers guided setup, enhanced testing, and parameter configuration to streamline the service process.
- Wireless mobile service app
- Guided setup with progress indicators
- Enhanced test functionality
- Real-time sensor readings and trending
- Parameter configuration
- Exportable setup summaries
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This app is the interface for the Lennox® CORE Unit Controller in Model L (L*M), Enlight (L*T), Xion (L*X) and Strategos (S*H) Commercial Rooftop Units. You must be within 25ft of a unit to connect and utilize this app. The Lennox® CORE Control System reinvents the service process in the palm of your hand with a wireless mobile service app, making setup and service faster than ever before. This app is intended for commercial HVAC service technicians to interface with CORE Unit Controller equipped unitary packaged rooftop units. App Features: - Guided Setup with progress indicators, detailed help, and exportable summaries drive simple and trouble-free setup, reducing commissioning times over similar systems. - Enhanced Test Functionality provides real-time sensor readings, trending, and reports that enable easy troubleshooting. - Ability to set and configure parameters of the CORE Control System drive tailored sequences of operation and make the CORE Unit Controller the most flexible Lennox has to offer.
Screenshots
Verdict
The clearest difference is rating: CORE Service at 3.6 against Optsy Mobile's 3.0. Optsy Mobile's advantage is review sentiment (20% vs 0%) and iOS requirement (13.0 vs 15.6). On price, ratings volume, update cadence and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CORE Service holds the better App Store score, 3.6 against 3.0. Both are backed by a comparable volume of ratings — 9 and 19 respectively. Written reviews complicate that: 20% of Optsy Mobile's written reviews are positive against 0% of CORE Service's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.
| Parameter | Optsy Mobile | CORE Service |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (9 ratings) | 3.6 (19 ratings) — better |
| Positive reviews | 20.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 9 | 19 — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 27 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Optsy LLC | Lennox Industries |
Customer experience
Optsy Mobile
CORE Service
In-app purchases
Optsy Mobile
No in-app purchases
CORE Service
No in-app purchases
Questions
Is Optsy Mobile free?
Is CORE Service free?
Which has better reviews, Optsy Mobile or CORE Service?
Do Optsy Mobile or CORE Service have ads?
Which is updated more often, Optsy Mobile or CORE Service?
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