SynthoFlow · Available soon

Engineering calculations you can verify, not just trust.

SynthoFlow is a calculation platform built on self-contained blocks. Variables link live between blocks with automatic cycle detection, every result carries its full substitution trace, and governing-standard thresholds are checked as you work. It runs in your browser — no Microsoft 365 required, and an email address is enough to get started.

Every number shows its full path — no hidden math
195 published templates across 16 disciplines, verified before release
Browser only — nothing to install, no work account needed
Two linked calculation blocks, with a variable passed between them and a full substitution trace below BLOCK V₁ = output linked ADVISORY V₁ SUBSTITUTION TRACE

Verified by design

Calculations built like code, checked like engineering

SynthoFlow treats a calculation as something that has to earn trust — every step visible, every link explicit, every threshold watched.

Substitution trace

Every number in the result has to earn its place. SynthoFlow shows the full path — formula, substitution, and final answer — with no hidden calculations.

Live variable linking

Blocks connect like code, not copy-paste. A variable output by one block can be referenced in another, with automatic cycle detection and flagging.

Boundary-rule advisories

Governing standards, checked as you work. SynthoFlow flags when a result crosses a standard threshold — drift limits, bearing capacities, slenderness ratios.

Role-based collaboration

Author, checker, and approver roles work from the same calculation trace — so review and sign-off happen on the real numbers, not a printout.

What you need

A browser. That’s the requirement.

SynthoFlow is a standalone web application. It is not an Office add-in and it does not sit on top of Microsoft 365.

No Microsoft 365

No Office subscription, no add-in to install, no admin centre deployment. Open it in any modern browser and work.

No work account required

You do not need an organisation, a tenant, or an IT department to sign you up. An email address is enough.

Buy the way that suits you

Per seat, through Microsoft or through Paddle — the channel is your choice. See pricing & licensing.

Template library

A library you can stand behind

195Published templates
16Engineering disciplines

Published templates pass independent blind verification and external validation before release, with engineering notes recorded against them where they apply.

“AI-assisted where it helps, and always governed — routed through an enterprise gateway you control.”

Governed AI

“Nothing autonomous. A qualified person stays in the loop on every engineering result.”

Standing principle

“Every result carries its trace, so a reviewer checks the work rather than taking it on faith.”

Verified by design

Help shape SynthoFlow

SynthoFlow is in active development. Tell us what you calculate today and what keeps costing you evenings — no commitment, no drip campaign.

Contact us about SynthoFlow →