Free access, clearly scoped
Use every available engineering tool at no charge. Future commercial options are labelled as previews, not purchasable plans.
Current access is $0. There is no checkout or paid feature gate. AIVerID is optional for calculations and required only for cloud project storage. Each tool states its calculation scope and readiness checks inside the workflow.
Available now
Free
$0current access
Every available calculator, standard and export.
- All 5 engineering calculators
- Thai water references: verified effluent profiles plus clearly gated reference datasets
- Unit converter
- IWA ASM1 / ASM2d / ADM1 models with convergence evidence
- Save projects and reopen them on another device
- PDF and CSV export
- See how each calculation was verified
Plan preview
Pro
$290/ per year (planned)
Preview for consultants and practising engineers.
- Everything in Free
- Calculation sheets: equation, substitution, criterion, reference
- One project every tool reads from, with revision history
- Priority email support
- No checkout is open; register interest by email
By arrangement
Firms & universities
Talk to us
Training, custom standards and bulk academic access.
- Everything in Pro
- Onboarding and training for your engineers
- Standards and templates set up for your organisation
- Bulk access for university courses
Planned Pro policy when paid plans open: students and academic researchers receive 50% off with a valid institutional email.
Any listed paid-plan prices are in USD; paid plans are not open.