Your shop’s data is invisible to other shops
Every request is tied to the shop of the signed-in account, not to anything the web page sends, so another shop’s data can’t be requested even with its job number.
Service ERPService ERP for repair shopsService ERPService ERP for repair and field-service businesses
Front desk, technicians and owners work from the same records, from intake to payment
Front desk takes jobs and sends quotes in minutes Technicians know exactly what’s next Customers track jobs and approve quotes on their phone Cash closes to the baht, every day Owners see revenue, profit and SLA on one screen
30-day free trialNo card requiredThen ฿199/month






Other shops can’t see your data. Every edit carries a name and a time. Customers see the status the system records, not a status someone typed. The examples below come from a demo shop on the same system you’ll use.
Every request is tied to the shop of the signed-in account, not to anything the web page sends, so another shop’s data can’t be requested even with its job number.
Taking in a job, issuing a quote, changing a status, receiving a payment, each is written to the shop’s history. Even a customer approving through their link is recorded separately.
Whenever a job’s status changes, the database records the time in the same step. The customer’s link shows the same stages the shop sees, without costs or internal notes.

Every example comes from a demo shop on the live system, not from real customers, this page contains no invented reviews, user counts or customer logos.
Real screens from the system, step by step, from the moment a customer puts a device on the counter to the next on-site visit. Pick a step, use the arrows, or let it play.
Most repair shops run on word of mouth, the front desk writes on paper, technicians ask in LINE, and the owner checks the numbers late at night. The same details get retyped several times and something slips through. SYMONX OS puts everyone on the same job ticket: what the front desk records, the technician sees at once; what the technician records, the customer sees on their own link; and every baht received is tied back to the job it came from.
Enter the customer, device, serial number, reported fault and any accessories. The system issues a job number and prints an intake slip for the customer to sign. The job page always tells you what happens next.

The air-con tech on the rooftop, the board tech under the magnifier, the installer at the customer’s door, the supervisor juggling the queue and the owner closing the books at 9 p.m., SYMONX OS is designed around the real work of everyone in the shop, from air conditioners, computers and phones to printers, CCTV and home appliances.
It’s the question we hear most. The short answer: small shops are hurt most by things that slip through the cracks, because every job passes through one pair of hands.

Send a single link over LINE. Customers open it instantly with no sign-up, see which stage the job is at, the promised date and any quotation awaiting their decision, and approve it themselves so work continues right away. Your shop looks professional from the first link, and customers never see a single line of your internal data.
Invoiced totals aren’t money in the bank. Every figure states its own definition and drills down to the source documents, no black boxes, no numbers that can’t be explained. Close the day and the cash in the drawer matches the system.


Shop owners don’t need to know code, but they should know how the system holding their money and customers is built. Everything below is what SYMONX OS does today, with evidence. Read the technical details (Thai)
Your customers, jobs, bills and stock are separated per shop all the way down to the database, not merely hidden on screen.
If the connection drops mid-way or someone taps twice, the system merges the duplicate request, so your books never show more than you received.
Who changed a price, cancelled a bill or adjusted stock, and when, is recorded permanently. The owner can look back any time.
Technicians never see costs, profit or the shop’s money. Permissions are checked on the server on every request, not just by hiding buttons.
Every update must pass automated tests covering money, stock, permissions and shop isolation, and data is backed up before any structural change.
Export to Excel and back up your entire shop yourself whenever you like. If you ever leave, your data isn’t held hostage.
Continuous development: 381 changes in the last 30 days, see What’s new (Thai)
No tiers to choose from and nothing extra per technician or feature. A small shop can use just what it needs; when you grow, everything is already there. For more questions, see the user guide (Thai).
About ฿7 a day
Sign up and press “New job”, no setup first. A getting-started checklist walks you through the rest. Try it free for 30 days with no card. If it isn’t for you, simply don’t renew; your data can always be exported to Excel.
SYMONX OS started as the system we use in our own shop every day, taking in devices, billing, chasing payments, counting parts. Every feature came from a real problem at the counter. Good technicians shouldn’t lose their time to piles of paper and chats nobody can find. If you get stuck, message me, I read every message myself.
30-day free trial then ฿199/month, no credit card required
