Why does Santix exist?
Santix grew out of how scattered information is on Turkish construction sites. Drawings travel as PDFs in WhatsApp groups and nobody is sure which one is current. Progress payments (hakediş) are calculated in Excel files copied from the month before. A clash spotted on site is passed on by word of mouth, and the revision request gets lost before it reaches the architect.
Each of these tools works on its own; the problem is that they are not connected. In Santix a snag is opened as a pin tied to its spot on the drawing, with an assignee and a due date. A revision request passes the site manager's approval, goes to the architect and closes with a new version. A progress payment is calculated cumulatively from budget lines in the same project. We wrote openly about where Excel and WhatsApp are enough on the comparison page.
Who builds Santix?
Santix is built by two partners: a software developer and a civil engineer. The software side builds the app, the drawing processing server and the infrastructure. The civil engineering side brings how sites actually work: the order of progress payment deductions, who a revision request goes to, how offices really draw their sheets.
The app is designed for Turkish construction practice. The interface is in Turkish, using the words people use on site: pafta, mahal künyesi, hakediş, taşeron. For example, because many Turkish offices draw sheets side by side in model space rather than in layouts, Santix finds sheets from the title block and frame.
What principles do we work by?
Same drawing, same numbers
The site manager, engineer, architect and subcontractor look at the same version of the same sheet. Every value on a room data sheet shows where it came from: "paftadan" (drawing), "mimar" (architect) or "düzenlendi" (edited). Where a number came from should never be up for debate.
It works on site
Records can be taken in a basement, between formwork, on a floor with no signal; data syncs when the connection returns. Screens are sized to be used with gloves. Wide views such as the Gantt chart are on iPad, quick recording is on the phone.
Your data is yours
The app has no ads, no tracking and no analytics SDK, and it does not collect location. Data is stored in Frankfurt (EU). Details on the security and KVKK page.
Everyone sees only their part
A subcontractor sees only tasks assigned to them; the budget is open only to the people you allow. The role-by-role table is on roles and permissions.
How do we use AI?
In Santix AI makes suggestions and a person approves them. No suggestion is saved until you accept it. AI requests go to OpenAI through Santix's own server on Cloudflare; OpenAI is told not to store the data (store=false), and no user id is sent.
| Feature | What is sent to the AI | Who approves |
|---|---|---|
| Room schedule matching | The PDF or Excel room schedule you upload and the room names read from the drawing | Architect |
| Reading dates and numbers from documents | The content of the document you scan | Whoever saves the document |
| Excel estimate column mapping | The column headers and rows of the Excel file | Whoever imports the budget |
| Contract questions | Your answers in the contract wizard | Whoever drafts the contract, then your lawyer |
| Bid comparison summary | Vendor names, bid totals, duration, payment terms, score and bid notes | Whoever runs procurement; the decision stays with you |
| CAD layer classification | Layer and block names in the drawing; drawing geometry is not sent | Whoever uploads the drawing |
The articles on this site follow the same rule: a person writes or edits them, checks the site practice and is responsible for publishing.
How do we prepare our content?
Our guides are written from real site practice: how a progress payment is calculated, why a room schedule matters, which documents need expiry tracking. For regulations and tax rates we cite the source; we give tax rates as general rates and ask you to confirm them with your accountant. Every page shows its last update date, and that date changes only when the content really changes. Figures come from the product's own tests; we do not publish customer counts, ratings or invented statistics.
How can you reach us?
Write to destek@santix.app for support and to satis@santix.app for sales, annual plans and company agreements. For TestFlight early access and anything else, use the contact form.
Frequently asked questions
Where is Santix developed?
Santix is developed in Türkiye, for Turkish construction practice. The app interface is in Turkish.
Does Santix apply AI suggestions without approval?
No. AI only makes suggestions; a room match, a document date or an Excel column mapping is not saved until you approve it.
Can I try Santix now?
Santix will be on the App Store soon. For now we offer early access through TestFlight; apply through the contact form. Every new organisation gets a 3-day free trial.