DeepMechanix vs COMPRESS
DeepMechanix is a browser-based alternative to Codeware COMPRESS for ASME Section VIII Division 1 vessel design. COMPRESS lists at $7,260/year per seat and remains the depth leader — Division 2 design rules, UHX/TEMA heat exchangers, decades of inspector familiarity. DeepMechanix Solo is $1,788/year, runs in a browser with no license server, and prints clause-cited reports with every substituted value shown. If you design heat exchangers or need Div 2 design-by-rule today, buy COMPRESS. If you design Division 1 vessels and want transparent, reviewable reports at a fraction of the seat cost, DeepMechanix is built for exactly that.
DeepMechanix is our product — read this as a vendor’s comparison, verified against public list prices (Jun 10, 2026).
The short version.
| COMPRESS | DeepMechanix | |
|---|---|---|
| Price / yr / seat | $7,260 list | From $1,788 |
| Codes covered | ASME VIII Div 1 & Div 2, UHX/TEMA heat exchangers, API 579 FFS (companion products) | ASME VIII Div 1, plus Div 2 §5.5.2 fatigue screening |
| Deployment | Windows desktop, license activation | Browser sign-in — no install, no license server |
| Report format | Comprehensive; widely accepted by inspectors | Formula → substituted values → result, Code paragraph cited on every line |
| Licensing | Per-seat subscription, desktop activation | Per-seat subscription, cancel anytime, exported reports are yours |
| Best for | Heat exchangers, Div 2 work, established QC-manual integration | Division 1 vessels, transparent review, distributed teams |
Credit where due.
- 01Deepest Division 1 + Division 2 coverage in the market, including UHX and TEMA heat exchangers.
- 02Code authority: Codeware's president authored ASME VIII-2 Part 4 §4.5 and co-authored WRC-529.
- 03Decades of fabricator deployments — many Authorized Inspectors see COMPRESS reports weekly.
- 04Mature ecosystem: Manufacturer's Data Report generation, NBIC forms, companion FFS tools.
Why teams switch.
- 01Seat economics: $1,788/year vs $7,260/year list — roughly a quarter of the cost.
- 02Browser-based: no license server, no dongle, no IT ticket. Sign in and run.
- 03Report transparency: every line prints the formula, the substituted values, the result, and the governing Code paragraph.
- 04Revision behavior: move a nozzle and every dependent check re-runs, then the report re-paginates.
Asked before switching.
01Who should still buy COMPRESS?
Shops doing shell-and-tube heat exchangers (UHX/TEMA), teams needing Division 2 design-by-rule today, and fabricators whose QC manual and inspector relationships are already built around Codeware's report format. COMPRESS earns its price in those cases.
02Can DeepMechanix replace COMPRESS for Division 1 vessels?
For the Division 1 clause set — shells, heads, external pressure, nozzle reinforcement, flanges, MDMT, load combinations, hydrotest, saddles, WRC local stresses — that is the design target. Run your last finished job through both and compare the packages side by side.
03Is this comparison biased?
It is vendor-written — DeepMechanix is our product. We keep it honest by citing public list prices (verified June 2026), naming COMPRESS's real strengths plainly, and refreshing this page quarterly. Tell us if anything is out of date.
04What about PV Elite?
Hexagon's PV Elite lists at roughly $11,160/year and integrates with the CAESAR II ecosystem. A dedicated PV Elite comparison is planned; the licensing and report-transparency differences described here apply similarly.