Opsler

Opsler is field service management software for service businesses coordinating technicians from booking through payment. It is best suited to teams that need customer-facing job updates and offline field work, though its free tier is tightly capped and accounting exports require manual import.

Overview

Scheduling, dispatch, customer management and invoicing sit alongside inventory and reporting in a 42-feature platform. The dispatch board, online booking, estimate builder, work orders, invoice payments and GPS or route tracking give service teams a broad operational toolkit. Opsler targets businesses with 5 to 100 technicians, including HVAC, plumbing, electrical, appliance repair, pest control and cleaning companies.

Technicians install Opsler from a browser on Windows, Mac, Android and iPhone devices rather than through an app store. The platform supports Android, iOS, macOS, web and Windows. That cross-platform reach is useful for mixed-device teams, while browser installation may be less familiar than an app-store download.

Key features

Field work without a connection

The Field Agent app lets technicians open assigned jobs, update status, complete checklists, capture photos and signatures, create invoices and record payments offline, then sync later. This is a practical advantage for jobs in areas with unreliable connectivity; teams that need offline access only for basic job viewing would still get a wider set of field tasks.

Customer portal and feedback

Customers can follow a technician’s estimated arrival through a token link without creating an account. They can approve estimates with OTP verification and a signature, check job and invoice history, pay, message technicians and review warranties. After each job, Opsler emails a rating link and offers a Google review option at every rating level; ratings of one to three stars also open a six-category feedback survey. This combines customer communication with a route to collect service feedback.

Accounting, payments and security

Opsler exports QuickBooks Online, Xero or generic CSV data for manual import, not live two-way accounting sync. That is workable for businesses comfortable with a separate import step, but a poor fit for teams that depend on automatically synchronized books. Opsler says it charges a 0% platform fee and lets businesses use their own payment processor and rates.

Opsler states that it encrypts data in transit with TLS 1.2+ and at rest with AES-256, and conducts regular security audits with access controls. After cancellation, account data is retained for 90 days before deletion unless earlier deletion is requested.

Pricing

Opsler is freemium, with a free plan, a 14-day trial and paid options. Pro is billed monthly without an annual commitment; there is no seat minimum. The plans trade off capacity, access to features and cost:

PlanPrice and termsWhat it includesBest fitBuddingfree; free forever2 seats (1 admin + 1 technician), 50 jobs/month, unlimited customers, 100 inventory items, 1 inventory location and 21 core features.A small operation validating its workflow. The 50-job monthly ceiling, two-seat limit and partial feature set will constrain a growing crew.Pro$25 a month; billed monthly, no annual commitment; 14-day trialNo seat minimum, all 42 features, no cap on jobs, inventory items or locations, plus priority support and setup assistance.Teams needing full feature access and uncapped operational capacity without a long-term commitment. The price is per month, but the listed plan does not state a per-user rate.Lifetime$499, paid once; one paymentFive permanent seats, all 42 features, future features included and 25 GB storage. Additional seats cost $25/seat/month.A five-seat team expecting to stay within its included capacity; the recurring charge for each additional seat makes expansion a separate cost.The free plan preserves unlimited customer records but limits jobs, inventory, locations, seats and features. Pro removes the job, inventory-item and location caps, while Lifetime fixes the included seat count at five and storage at 25 GB. Support includes email and live chat during 9am–6pm EST business hours; Opsler says it typically responds within a few hours.

Platforms

Opsler supports Android, iOS, macOS, web and Windows. It installs through a browser on Windows, Mac, Android and iPhone devices, rather than from an app store. The Field Agent app’s offline job updates, photos, signatures, invoices and payments make mobile access more than a way to check the schedule.

Who it's for

Opsler makes the most sense for a 5-to-100-technician service business that wants job dispatch, customer updates, offline technician work and billing in one platform. It is a stronger fit for teams willing to import accounting exports manually than for those requiring live two-way bookkeeping sync. A very small shop can start free, but the two-seat and 50-job limits make Budding a trial tier for many growing service teams rather than a durable operating plan.

Pros and cons

Offline field workflow: technicians can complete checklists, gather signatures, invoice and record payments without connectivity, then sync later.

Useful customer access without accounts: a token link supports ETA tracking, estimate approval, payment, messaging and job history.

Clear upgrade path: Pro removes job, inventory-item and location caps and includes all 42 features without an annual commitment.

Manual accounting handoff: exports support QuickBooks Online, Xero and CSV, but the absence of live two-way sync adds bookkeeping work.

Free plan is narrowly sized: two seats, 50 jobs monthly, 100 inventory items and one location can quickly limit a busy crew.

Lifetime plan has a seat boundary: five permanent seats are included, but each additional seat costs $25/seat/month.

Alternatives

For a plumbing business comparing category-specific options, see Plumbing Software.

ServiceM8 is another freemium option with Android, iOS and macOS support; its Free plan covers one user and 30 jobs per month, so it suits a solo operator whose workload fits that cap.

FieldBench has a free plan for one user, up to 20 jobs per month, 50 pricebook items and 20 active equipment records. Choose it if those specific free-tier limits fit better than Opsler’s 50-job, two-seat allowance.

Contractor+ offers a free plan with basic CRM, up to 250 leads and clients, and up to five estimates or invoices per month. It may suit a business prioritizing a free lead-and-estimate workflow over Opsler’s larger job allowance and offline technician tasks.

Tradify has a paid Lite plan at $47 a month, with job management, scheduling and Google Calendar sync, quoting and invoicing. Choose it if those tools and calendar sync matter more than starting on Opsler’s free plan.

Jobber is a paid alternative with a Core plan priced at $29 a month when billed annually; the plan is one user and includes online booking and scheduling. It is worth comparing if that booking-and-scheduling setup suits a single-user business.

mHelpDesk is a paid alternative with Pro at $169 a month for three users and core features, or Growth at $249 a month for eight users and core features. Consider it if those stated team sizes align with your needs.

OpenFieldPro offers a free, self-hosted AGPL core without limits on users, technicians, customers, jobs, invoices, locations or core operational features.

Fergus is another paid field-service option with Essentials and Professional plans at custom pricing.

Verdict

Choose Opsler if your service team needs offline technician workflows and a customer portal that can carry a job from ETA through approval and payment. Pro’s uncapped jobs, inventory items and locations, all-feature access and monthly commitment make it the sensible choice for teams beyond the free tier. Look elsewhere if live accounting sync is essential, or if Budding’s two seats and 50 jobs per month cannot accommodate your operation.