Field Service Apps for Installers and Technicians

Jobs, routes and schedules

The day starts with a list: today's jobs in order, each with the address, the contact, the reported problem and the history of previous visits at that site. Navigation is a single tap into the maps app. Changes from the office arrive as a notification that says what changed, not as a silent reorder the technician has to notice. Time on site is recorded with a start and stop button, since typed times are guessed at the end of the day.

Offline work in poor coverage

Offline is not a feature to add later; it is the architecture. The app keeps the day's jobs, forms, checklists and reference documents on the device, lets the technician complete everything without a connection, and pushes the results when the signal returns. Anything else fails in exactly the places where the work is hardest.

• Download tomorrow's jobs and their attachments the evening before, on wifi, automatically.
• Save every form field as it is entered, so a dead battery or a crash loses nothing.
• Queue photos and reports for upload and show the queue, so the technician can see what has not yet reached the office.
• Resolve conflicts in the office's favour for schedule data and in the technician's favour for report data, and say so in the interface.

Test on the worst phone your team carries, with airplane mode on, wearing gloves. If a task cannot be completed that way, it will not be completed on site.

Photos, signatures and reports

The report is what the customer pays for and what protects you in a dispute. It should take the technician minutes to produce and look professional when it arrives in the customer's inbox.

Sync to office and invoicing

The value of the app is realised in the office, when a completed job becomes an invoice without anyone retyping it. That means the job's materials, hours and any extras flow into the accounting system as invoice lines, in Fortnox or Visma for most Swedish companies, with the report attached as a PDF. For ROT work the invoice needs the customer's personal identity number and the property details, so the app should collect them on site rather than the office chasing them later. Dispatchers see status changes as they happen, and a job that has been on site too long triggers a call, not a report at week's end.

Integration is where custom builds earn their cost and off-the-shelf tools show their limits. Ask any vendor exactly which fields reach your accounting system and what happens when a job is edited after invoicing.

Buying vs building

There are mature field service products with offline apps, scheduling and accounting integrations, priced per user per month. If your process fits theirs, buy; the money you save goes into training and adoption, which is where most rollouts actually fail. Build when your report is your differentiator and customers choose you for it, when you must integrate with systems the vendors do not support, when the per-user fee across a large workforce exceeds the cost of owning the software, or when your customers need a portal that matches your brand.

1. Write down the report your best technician produces today. That is the specification.
2. Trial one off-the-shelf tool for a month with two technicians and measure how many jobs are invoiced without office rework.
3. If it fits, roll it out; if the gaps are in the report or the integration, scope a custom build around those gaps only.
4. Whatever you choose, keep paper as a fallback for the first month, then remove it.

When you do not need any app: a two-person firm doing a few jobs a day can run on a shared calendar and photos sent by phone. When the volume is there, a cross-platform app build gives your technicians one app on both iOS and Android, and a free call will tell you whether your gaps justify it. Pricing is on the pricing page.

Frequently asked questions