The Invoice App Built for Plumbers
“Finish the job. Invoice before you leave.”
Finish fixing the leak, open Isal, invoice the client before you pack up your tools.
Why tradespeople love Isal
Three core features every field professional needs
Invoice in 60 Seconds
Open the app, fill 3 fields, tap share. Your client gets a professional PDF instantly.
Works 100% Offline
No Wi-Fi? No problem. Isal stores everything locally — works on any job site.
Invoice in Your Client's Language
Send in Arabic or English — without any translation or extra apps.
Built for Plumbing Jobs
Parts + Labor Billing
Itemize pipes, fittings, fixtures, and labor hours clearly on the same invoice.
Call-Out & Minimum Charge
Add fixed call-out fees on top of hourly rates — both show clearly on the invoice.
Emergency Job Receipts
For burst pipes or urgent repairs, generate a quick receipt clients sign off on the spot.
Only 3 steps
Finish the Job
Complete the work on-site, as you normally would.
Open Isal
Fill in 3 fields: client name, service, amount. Done in under a minute.
Share the PDF
Send via WhatsApp, email, or print — the client pays on the spot.
Finish the job. Invoice before you leave. 🔧
Isal — the on-site invoicing app. Free, offline, Arabic & English.
Frequently Asked Questions
Does Isal work without internet on a job site?
Yes. Isal is fully offline-first. No Wi-Fi, no mobile data needed — everything stored locally.
Can I add parts and labor as separate line items?
Absolutely. You can add unlimited line items with individual quantities and prices.