# Opterra — Master your Trade > AI assistant for skilled trades providing verified building code answers. (iPhone/iPad app by Opterra, Inc..) - Source: https://appshunter.io/ios/app/opterra/id6751297250 (this page in markdown: same URL + `.md`) - Developer: [Opterra, Inc.](https://appshunter.io/developer/6804046055) - Category: Productivity, Education - Price: Free with in-app purchases - Rating: 5.00/5 from 5 App Store ratings - Age rating: 4+ - Requires: iOS 14.0 · 48 MB - Languages: American English - Released: 2025-09-27 - Data updated: 2026-09-09 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/opterra/id6751297250/reviews.md ## What is Opterra? Building code books contain thousands of sections, change across jurisdictions, and are rarely easy to navigate when you just need an answer. Opterra turns them into something you can actually ask. Ask the assistant a question in plain language and it works through the codes that apply to your jurisdiction to find the answer. Every response points back to the source, so you can tap the citation and read the actual section yourself — including its tables and figures. And for the quick stuff that comes up on the job, Opterra keeps a few essentials close at hand. - Tap-to-open citations that take you directly to the referenced section - Feet, inches & fractions calculator for everyday field math - Equipment and product lookups with the original sources - Chat history, clean copy & read aloud Opterra Assistant gives trade workers fast, reliable answers to building code questions—without searching through books or PDFs. Chat with an AI assistant trained on trade-specific regulations, filtered by state and local county. Every answer is grounded in cited code sections and tables, so you can verify details with confidence. Save referenced code sections for offline access, and listen to responses using high-quality text-to-speech when your hands are busy in the field.Built for real work. Designed for accuracy.Terms of Use:https://www.getopterra.com/terms ## Key features - AI-powered code question answering - State and local code filtering - Cited code sections and tables - Offline code section saving - Text-to-speech responses ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Opterra Pro | $9.99 | per month | | Opterra Pro | $89.99 | per year | ## Frequently asked questions about Opterra ### What is Opterra Assistant? Opterra Assistant is an AI-powered tool designed to provide trade workers with fast, reliable answers to building code questions. It is trained on trade-specific regulations and filters information by state and local county. ### How does Opterra Assistant ensure accuracy? Every answer provided by Opterra Assistant is grounded in cited code sections and tables, allowing users to verify details with confidence. The app is designed for accuracy and built for real work. ### Can I use Opterra Assistant offline? Yes, you can save referenced code sections for offline access within Opterra Assistant. This ensures you have critical information available even without an internet connection. ### Does Opterra Assistant have ads? No, Opterra Assistant does not contain advertisements. The app is designed to provide an uninterrupted experience for trade workers. ### What are the subscription options for Opterra Assistant? Opterra Assistant offers a Pro subscription with two plans: $9.99 per month with a 3-day free trial, and $89.99 per year with a 7-day free trial. ### What devices is Opterra Assistant available on? Opterra Assistant is currently available for iPhone and iPod devices. It runs on iOS and is designed for mobile use. ### How often is Opterra Assistant updated? The latest version of Opterra Assistant is 1.10, and it was last updated on March 19, 2026. Updates aim to improve reliability and add new features. ### What is the age rating for Opterra Assistant? Opterra Assistant has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger individuals who may be learning about trade-related topics. ## Version history (last 5 releases) ### 1.12.0 — 2026-08-31 A completely redesigned app — new look across every screen. • Ask with a photo — snap or attach a picture and chat about what's in it • See the assistant's progress as it works, and which codebook it's using — it asks when your question could match more than one • All 73 trade calculators in one full-screen workspace, organized by category • Smoother scrolling, subscription fixes, and plenty of polish ### 1.10 — 2026-03-19 - App name change - Minor bug improvements ### 1.0.5 — 2025-12-31 - App name change - UI/UX Changes - Bug Fixes ### 1.0.4 — 2025-11-03 Bug fixes & UX changes ### 1.0.3 — 2025-10-21 UI changes, MEP calculator support, and bug fixes ## Apps similar to Opterra | App | Rating | Price | Category | | --- | --- | --- | --- | | [Maze Participate](https://appshunter.io/ios/app/maze-participate/id6740988668) | 2.8 (13) | Free | Productivity | | [Outreach.io](https://appshunter.io/ios/app/outreachio/id6505089914) | 3.6 (25) | Free | Productivity | | [Predictive Solutions SafetyNet](https://appshunter.io/ios/app/predictive-solutions-safetynet/id480803431) | 3.2 (13) | Free | Productivity | | [Paxo: AI Meeting Notes](https://appshunter.io/ios/app/paxo-ai-meeting-notes/id1661427364) | 4.4 (51) | Free | Productivity | | [Ask BONBON - NEC Code AI](https://appshunter.io/ios/app/ask-bonbon-nec-code-ai/id6747808696) | 4.6 (42) | Free | Productivity | | [Fraction Calculator](https://appshunter.io/ios/app/fraction-calculator/id1078884704) | 4.7 (157) | Free | Productivity | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-09.*