The Offline-First Field Service Platform. Built for the Field, Synced to the Office.
Power your operations with multi-location inventory, AI-driven route optimization, and a mobile app that works perfectly without internet.
Jobs today
32
+12% vs last week
Active techs
11
3 on-route
Invoices sent
18
82% paid
Revenue
$14.2k
This week
Current job
Walk-in cooler not holding temp
- Capture before/after photos
- Log refrigerant levels
- Collect customer signature
Engineered for Speed
Everything you need to run your field service business.
Zerlyt One connects your office, technicians, and finances in one offline-capable platform.
Smart Dispatch & Route Optimization
AI-driven scheduling assigns the right tech to the right job. Optimize routes to reduce drive time and fuel costs.
- • AI-powered route optimization
- • Drag-and-drop dispatch board
- • Real-time job status tracking
Dynamic Proposals & Estimates
Create professional proposals on-site or in the office. Customers approve with a tap—no printing required.
- • One-tap customer approvals
- • Good/Better/Best pricing
- • Auto-convert to jobs
Multi-Location Inventory
Track parts across warehouses, trucks, and job sites. Know what's in stock and where to find it—instantly.
- • Truck & warehouse tracking
- • Low-stock alerts
- • Transfer parts between locations
Smart Forms & Inspections
Replace paper checklists with dynamic forms that capture everything you need in the field—photos, signatures, readings, and more.
- • Multi-step inspections
- • Required photo fields
- • Validation rules
- • PDF exports
Unified Data Backbone
Customers, assets, jobs, technicians, and invoices all live in one system—so you never have to reconcile multiple tools again.
- • Single source of truth
- • Role-based access
- • Audit history
- • Secure cloud hosting
Give your technicians a tool they actually like.
The Field Companion app is built for real-world conditions—not perfect office Wi-Fi.
True Offline Mode
Powered by PowerSync. View history, add parts, and complete jobs with zero signal. Everything syncs when you're back online.
Visual Proof
Before/After photo capture with instant upload. Document every job with visual evidence your customers and office can see.
Inventory on the Go
Check stock in the truck or find the nearest part at another location. Never leave a job site to hunt for parts again.
Built for the realities of field work.
Zerlyt One was designed for teams working in basements, warehouses, and job sites—not just fast offices with perfect Wi-Fi.
Offline-first architecture
Technicians can complete jobs fully offline. Data syncs automatically when they’re back online.
Enterprise-grade security
Role-based access, audit trails, and encryption at rest and in transit keep customer data protected.
Real-time sync
Dispatch sees job status updates as they happen—no more “let me call the tech” delays.
Unified job history
Every job, photo, reading, and invoice is linked—so anyone on your team can see what happened on-site.
DATA FLOW
- 1
Lead → Job
Create a job from a new or existing customer.
- 2
Job → Field Execution
Technician completes checklists, logs readings, and captures photos.
- 3
Job → Invoice
Labor and materials flow into a ready-to-send invoice automatically.
One platform. No duplicate entry. No missing paperwork.
Every step—scheduling, dispatch, field work, and billing—shares the same data backbone.
How Zerlyt One runs your day.
From the first call to the final payment—everything flows through one platform.
01 · Schedule & assign
Office staff create a job, assign a technician, and drop it onto the live schedule.
02 · Technicians execute
Technicians use the mobile app to follow checklists, log readings, and capture site photos—even offline.
03 · Sync & invoice
Once synced, Zerlyt One generates a detailed job record and invoice based on labor, materials, and time.
04 · Track & optimize
View performance dashboards, technician utilization, and revenue trends to optimize your operation.
Built for every field service industry.
Configure Zerlyt One to match your workflows—not the other way around.
HVAC & Refrigeration
Track assets, monitor PM visits, and capture before/after photos on every job.
Electrical & Low Voltage
Log circuits, drop test readings, and inspection results in structured digital forms.
IT & Managed Services
Standardize on-site runbooks, record asset serials, and track SLAs.
Locksmithing & Security
Capture hardware details, door schedules, and post-install photos in one place.
General Contractors
Coordinate subs, track punch lists, and keep project documentation organized.
Facility Maintenance
Manage recurring site visits, asset history, and compliance inspections.
Automate Your Admin.
Let customers book, approve estimates, and pay invoices online without calling you. Secure "Magic Link" access—no passwords required.
Self-Service Booking
Customers request service online—no phone tag required.
One-Tap Estimate Approvals
Send proposals and get signed approvals instantly.
Online Invoice Payments
Get paid faster with secure online payment links.
Customer Portal
Estimate #1247 Ready
Secure Magic Link access
Why teams switch to Zerlyt One.
Zerlyt One gives you the unified backbone you don’t get from spreadsheets or point solutions.
Instead of juggling tools
- • Spreadsheets for scheduling
- • Messages for dispatch
- • Paper forms in the field
- • Separate invoicing software
One unified platform
- • Single system for office + field
- • Offline-capable mobile app
- • Smart forms and inspections
- • Job → Invoice automation
- • Real-time performance dashboards
Simple pricing per technician.
No hidden fees. No contracts. Just pay for what you use.
Starter
For solopreneurs and small teams.
Billed monthly.
- • 1 Technician seat included
- • Dispatch & scheduling
- • Field Companion mobile app
- • Basic smart forms
Growth
For growing teams needing more power.
Includes up to 5 technicians
+$20/mo per additional tech
Billed monthly. Volume discounts available.
- • Unlimited jobs & customers
- • Advanced smart forms & inspections
- • Job → Invoice automation
- • QuickBooks & calendar integrations
- • Standard support
Field teams are already switching to Zerlyt One.
Real stories from teams who replaced spreadsheets and scattered tools.
“We finally see what’s happening in the field.”
“Zerlyt One replaced three tools for us. Jobs go out faster, and invoicing is nearly automatic.”
Operations Manager
Commercial HVAC company
“No more calling techs for updates.”
“The mobile app works in basements and warehouses. Jobs sync when they’re back on the road.”
Service Coordinator
Refrigeration services
“Paperwork just… disappeared.”
“Smart forms standardize our work. Every job has photos, readings, and signatures attached.”
Owner
Security & access control
Frequently asked questions.
A few answers to help you decide if Zerlyt One is right for your team.
Do technicians need constant internet access?+
No. Zerlyt One is built for low-connectivity environments. Technicians can complete jobs fully offline; their work syncs when they’re back online.
Can we keep using our accounting system?+
Yes. Zerlyt One integrates with systems like QuickBooks Online. Jobs and invoices flow from Zerlyt One into your accounting, so your office doesn’t have to re-enter data.
How long does implementation take?+
Implementation is fast and painless. This is a self-service platform designed for you to get up and running on your own, with step-by-step guidance from our comprehensive knowledge base.
What support is included?+
All plans include email support and access to our knowledge base. Growth and Scale tiers include onboarding support, with Scale receiving priority assistance.
Ready to modernize your field service business?
Join the next generation of field service teams running on Zerlyt One. Start your free trial and see how much smoother your day can be.
Walk-in cooler · Site 14
Due 9:30 AM · 12 miles
RTU filter change · Roof
Due 11:00 AM
PM checklist · Store #203
Due 2:00 PM