Full glossary free. Pro unlocks the full toolkit.
Free gives glossary + starter tools. Pro unlocks complete capabilities for field work and certification prep.
Free
For homeowners and DIYers — glossary first
$0
- Full glossary across all trade hubs
- Starter guide library (20 guides)
- Starter calculator set (8 calculators, standard mode)
- Keyword search, browse, and state-code SEO pages
- Troubleshooting SEO workflows
- 25 calculations/month, 10 bookmarks, 1 saved project
Most Popular
Pro
For working tradespeople
$199/year
- Everything in Free, fully unlocked
- All 74 guides and all 34 calculators + advanced mode
- Certification study centers (EPA 608, NEC, Plumbing, NABCEP, BICSI, NICET)
- Grounded AI Smart Search + AI assistant chat
- Code search and compliance tools
- Templates, specs, data manager, exports, and offline field kit
- Unlimited calculations, bookmarks, and saved projects
Feature Comparison
Free is glossary-first with starter tools. Pro unlocks full platform access.
| Features | Free | Pro |
|---|---|---|
| Full glossary (all trades) | ||
| Interactive guides | 20 | All 74 |
| Calculators | 8 (standard) | All 34 + advanced |
| Keyword search | ||
| AI search + assistant chat | - | |
| Certification study centers | 5Q preview | Full + mocks |
| Codes & compliance tools | - | |
| Templates, specs, exports | - | |
| Offline field kit | - | |
| Calculations per month | 25 | Unlimited |
| Saved bookmarks | 10 | Unlimited |
| Saved projects | 1 | Unlimited |