Janmar Systems Field Assistant vs Sonar Field Tech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Janmar Systems Field Assistant
This app streamlines landscape field service operations by providing crews with real-time job information, task management, and data capture tools. It replaces paper forms with digital solutions, improving productivity and job costing through GPS tracking and efficient task updates.
- Real-time job instructions and routes
- Digital task management with photos
- Customizable data capture forms
- Pesticide and inventory usage tracking
- GPS tracking for job costing
- Spanish language support
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Field Assistant is used with the Field Service Cloud service by Janmar Systems. Landscape companies use Field Service Cloud to capture, organize, and analyze their Operations data enabling better decisions and higher profits. Field Service Cloud increases productivity by delivering real-time instructions to crews in the field, replacing paper with web and mobile forms. GPS tracking eliminates the need for crews to clock-in at each jobsite during the day and provides accurate job-costing data with actual man-hours spent at each jobsite. Tasks are managed from creation to closed. The Field Assistant App is designed for employees working in the field. Field Assistant delivers daily routes, jobsite info, and assigned tasks to the crews replacing clipboards and binders they typically carry. The crews are also able to report jobsite issues, record pesticide and other inventory uses, and update the status of their assigned tasks. Key features include: * Daily route lists with driving directions for maintenance, enhancement, and irrigation crews * Task management with work flow and pictures * Custom forms to capture data in the field * Capture and review estimates and parts usage for enhancements and repairs * Prefilled forms simplifying capture of pesticide uses and reporting of issues * Manage Irrigation data – backflows, timers, water meter readings, ... * GPS tracking, eliminating need to clock-in and clock-out of jobs * Spanish language support See first hand how Field Assistant can help your business by installing in Demo Mode.
Sonar Field Tech
Streamline field service operations with offline access to critical job information and tools. Capture data, manage inventory, and automate post-job tasks like invoicing and customer communication. Improve efficiency and customer satisfaction with digital documentation and GPS navigation.
- Offline mode for uninterrupted work
- On-the-go data capture (docs, photos, notes)
- E-signatures and digital contracts
- GPS route guidance
- Customizable task lists
- Automated invoicing and provisioning
- In-app barcode scanner for inventory
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No Service. No problem! Use the app in online or offline mode; account changes automatically sync when the connection is restored. Access critical information and tools when offline to avoid any delays in successful job completion. On the go data capture Upload documents, photos and quickly add notes to the account, complete the job with e signatures using built-in digital contracts. A well-documented install leads to fewer callbacks and simple troubleshooting if issues arise in the future. Arrive on time, Every time! See a complete overview of your jobs scheduled for the day and use the GPS route guidance to arrive on time and make a great first impression. Save time and avoid unnecessary setbacks with our built-in navigation. Eliminate human error & duplicate data entry Customizable task lists ensure that your field techs get the job done, whether it’s a residential or business service call. Improve the customer experience and say goodbye to unnecessary paperwork and duplicate data entry. Complete the job & automate the rest Once the install is marked complete, Sonar automatically provisions, assigns an IP, and sends an invoice to your customer. A job well done with less hassle. Inventory simplified Get fingertip access to inventory and simply assign equipment, or make adjustments on the fly with our in-app barcode scanner. A modern and flexible interface with everything you need to ensure customer satisfaction. Note: Sonar Field Tech Mobile App requires an active Sonar instance.
Screenshots
Verdict
The clearest difference is rating: Janmar Systems Field Assistant at 4.2 against Sonar Field Tech's 1.8. Janmar Systems Field Assistant also leads on iOS requirement (13.0 vs 15.0). Sonar Field Tech's advantage is ratings volume (30 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Janmar Systems Field Assistant holds the better App Store score, 4.2 against 1.8. That said, the two scores are not equally well evidenced: Sonar Field Tech has 30 ratings behind it against 5, so its average is the more settled of the two.
Janmar Systems Field Assistant ships an update monthly, Sonar Field Tech every 5 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | Janmar Systems Field Assistant | Sonar Field Tech |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | 1.8 (30 ratings) |
| Positive reviews | — | 7.7% of reviews |
| Number of ratings | 5 | 30 — better |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 85 MB | 97 MB |
| Age rating | 4+ | 4+ |
| Developer | Janmar Systems | Sonar Software |
Customer experience
Janmar Systems Field Assistant
Sonar Field Tech
In-app purchases
Janmar Systems Field Assistant
No in-app purchases
Sonar Field Tech
No in-app purchases
Questions
Is Janmar Systems Field Assistant free?
Is Sonar Field Tech free?
Which has better reviews, Janmar Systems Field Assistant or Sonar Field Tech?
Do Janmar Systems Field Assistant or Sonar Field Tech have ads?
Which is updated more often, Janmar Systems Field Assistant or Sonar Field Tech?
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