Honest comparison
PerCode.ai vs ENERCALC
A trusted, long-established structural library — but no AI, structural-only, and a dated UI.
ENERCALC is a capable, trusted tool. The facts below are drawn from its
public pages (June 2026). Source: DEVPLAN §1.1. Where we say “PerCode,” we
describe our target capability per our development plan.
At a glance
| ENERCALC | PerCode.ai | |
|---|---|---|
| AI assistant (input / optimize / error-find) | No | Yes |
| Disciplines | Structural | Structural + MEP + Civil |
| Load linking | Yes | Yes (P0 to match) |
| Browser, zero-install trial | Partial | Yes |
| Offline + data-stays-local option | Yes | Yes (desktop) |
| Published, continuous validation | Static | Living Quality Promise + VP suite |
| Training + mentorship | Support / webinars | Training + 1:1 PE mentorship |
| Entry price | ~$71–99/mo | $39/mo |
| Academic free tier | No | Yes |
Source: DEVPLAN §2.
What ENERCALC does well
| Heritage / trust | Since 1982; 70,000+ engineers, 6,000+ firms; avg user tenure ~17 yrs |
|---|---|
| Breadth | ~64 component-level modules; structures ≤5 stories |
| Delivery | Desktop and cloud and hybrid |
| Pricing | ~$71/seat/mo annual; $99.50/mo monthly; SEL-Earth $21/mo |
| Licensing | Concurrent-use (2 seats = 2 simultaneous users) |
| Trust marketing | Published hand-calc validations; support by licensed PEs/SEs |
Source: DEVPLAN §1.1.
Where PerCode is different
Their gaps: No AI. Structural only. Dated UI. Concurrent-licensing confusion.
Table stakes we match
- Load linking / load-path propagation (treated as P0).
- Zero-friction trying — run a real calc in the browser in under a minute.
Source: DEVPLAN §1.4.
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