# 911xchg: Market Intelligence — Porsche 911 data & charts > Porsche 911 market intelligence, valuations, and tracking for enthusiasts. (iPhone/iPad app by Eric Stevenson.) - Source: https://appshunter.io/ios/app/911xchg-market-intelligence/id6783420500 (this page in markdown: same URL + `.md`) - Developer: [Eric Stevenson](https://appshunter.io/developer/1069165556) - Category: Shopping - Price: Free - Rating: 5.00/5 from 4 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 3 MB - Languages: American English - Released: 2026-06-29 - Data updated: 2026-08-23 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/911xchg-market-intelligence/id6783420500/reviews.md ## What is 911xchg? 911xchg is market intelligence for the Porsche 911 — built for enthusiasts and buyers who notice the details. Browse the 911 market in one place, filter by generation, trim, color, year, mileage and price, and see what each car is really worth. A valuation engine compares every listing against live comparables to flag great deals and overpriced cars at a glance. • Fair-value valuations with comps, confidence and price history • Rarity scoring across the current market • VIN history across marketplaces • Saved searches with new-match and price-drop alerts • A watchlist to track the cars you love • An executive market report — medians, movement and inventory by generation Sign in with your 911exchange.com account to save searches, set alerts and build your watchlist. 911xchg is an independent enthusiast tool and is not affiliated with, sponsored by, or endorsed by Dr. Ing. h.c. F. Porsche AG. Porsche® and 911® are trademarks of Porsche. ## Key features - Marketplace browsing and filtering - Fair-value valuations with comparables - Rarity scoring - VIN history across marketplaces - Saved searches with alerts - Watchlist for favorite cars - Executive market reports ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/911xchg-market-intelligence/id6783420500/reviews.md ### 5/5 — I love this *2026-07-01* I use this every day when I just want to look at cars or try and find a decent car I can afford that’s a 911! ## Frequently asked questions about 911xchg ### What is 911xchg? 911xchg is a market intelligence tool designed for Porsche 911 enthusiasts and buyers. It provides detailed data, valuations, and tracking for the Porsche 911 market. ### How does 911xchg determine car values? The app uses a valuation engine that compares each listing against live comparable sales data to provide fair-value valuations, confidence scores, and price history. ### Can I track specific Porsche 911s with 911xchg? Yes, you can create a watchlist to track the Porsche 911s you are interested in. You can also save searches and receive alerts for new matches or price drops. ### What kind of market reports does 911xchg offer? 911xchg provides an executive market report that includes median prices, market movement, and inventory data broken down by Porsche 911 generation. ### Is 911xchg available on Android devices? Currently, 911xchg is supported on iPhone and iPad devices. Information on Android availability is not provided. ### How often is 911xchg updated? The latest version of 911xchg is 1.0.3, which was last updated on July 11, 2026. This indicates frequent updates to the application. ### Does 911xchg have ads? No, 911xchg does not contain advertisements. The app is free to use and does not display any ads. ### What is the age rating for 911xchg? 911xchg has an age rating of 4+, making it suitable for a wide audience of users. ## Version history (last 5 releases) ### 1.0.5 — 2026-08-14 New: state-by-state market map with asking-level comparisons, multi-select market filters (US, Europe, UK, Japan), saved searches keep their full scope, and you stay signed in. Plus reliability fixes. ### 1.0.3 — 2026-07-11 New filters: transmission, body style, base color families, and sold or ended listings. Filter and sort bar stays pinned while you browse, with a cleaner sort menu. Valuation report comparables are tappable with photos and open the listing. Inventory depth generations drill into the market feed. Market report no longer requires sign in. Gallery photos pan while zoomed. ### 1.0.2 — 2026-07-08 A big one. - New: free VIN decoder, VIN valuation reports, market depth, the Learn hub, community gallery, forum, garages, and member messaging - Deal Radar comes to the app: curated underpriced listings, updated live - Report and block controls across all community surfaces - Fresh look synced with 911exchange.com, new app icon - Fixes: sessions no longer quietly expire mid-use; smoother browsing on long lists ### 1.0.1 — 2026-07-01 Sign in with Apple and Google — one tap to your 911exchange account. New “Best Deals Now” on the Market tab: 911s priced furthest below their estimated market value. Stability, security, and sign-in reliability improvements. ### 1.0 — 2026-06-29 No release notes. ## More apps by Eric Stevenson - [Voto](https://appshunter.io/ios/app/voto/id580618658) - [Pop Life Photo App](https://appshunter.io/ios/app/pop-life-photo-app/id801031673) - [Entrain: Binaural Beats](https://appshunter.io/ios/app/entrain-binaural-beats/id6782873471) All apps by Eric Stevenson: https://appshunter.io/developer/1069165556 --- *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 2026-08-23.*