# Odyx: Car Coding & OBD2 — Diagnostics & hidden features > Diagnostics & hidden features (iPhone/iPad app by Sergey Pavlov.) - Source: https://appshunter.io/ios/app/odyx-car-coding-and-obd2/id6814498920 (this page in markdown: same URL + `.md`) - Developer: [Sergey Pavlov](https://appshunter.io/developer/1869279159) - Category: Utilities - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 26.0 · 22 MB - Languages: Russian, American English, German (Germany) - Released: 2026-10-04 - Data updated: 2026-10-26 ## What is Odyx? Odyx brings diagnostics, coding and ready-made features for vehicles on the MQB, MQB Evo and MLB Evo platforms to iPhone, iPad and Mac. Connect an OBD adapter, scan the car and see what you can turn on. No car or adapter? Try everything in the built-in simulator. READY-MADE FEATURES • A feature catalog for your car: see what is already on, what you can turn on and how it was verified — on a real car or from the platform map. • Head unit and navigation language, wireless CarPlay, radio region, lights, doors, sounds and the instrument cluster. The set of features depends on the platform, equipment and unit software. • Before writing: a "before / after / how to check" card and a byte-level change plan. A backup is made automatically. DIAGNOSTICS • Scan every unit: part numbers, software versions, a passport for each unit. • Faults explained, with freeze frames: when, at what mileage and how often. Clearing with a follow-up check. • Battery voltage and traces of voltage drops. CODING AND ADAPTATIONS • Long coding bit by bit, shown as switches. • Read and change supported adaptation channels. • SFD status, activation request and entry of a token obtained separately from an authorized provider. SERVICE BOOK • A log of every write: date, unit and the bytes that changed. • Roll back from backups. CONNECTION iPhone and iPad: compatible ELM327 adapters over Bluetooth LE. Mac: Bluetooth LE, Wi‑Fi, serial and DoIP (OBD-Ethernet). Adapter sold separately. YOUR DATA STAYS ON YOUR DEVICE No account needed. Vehicle data, history and backups are stored on the device. The feature catalog comes from the developer's server without identifiers. Notifications only if you turn them on. No ads, no tracking. COMPATIBILITY Profiles cover vehicles on the MQB, MQB Evo and MLB Evo platforms. What is available depends on the vehicle, part number, software version, adapter and protection status. Not every catalog entry can be written; its status is shown in the app. Compatibility with every vehicle on these platforms is not guaranteed. SFD tokens are not included, and Odyx does not bypass unit protection. Only make changes with the vehicle parked, the engine off, the ignition on and a stable power supply. Odyx is an independent product and is not affiliated with any vehicle manufacturer. ODYX PRO SUBSCRIPTION Free: connection, unit scan, unit passport, reading and clearing faults, adaptations, the service book and rollback. Odyx Pro unlocks ready-made features and procedures for vehicles in the catalog, reading and writing coding, and SFD. Two plans: 1 month and 1 year. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period; renewal is charged within the last 24 hours of the period. Manage the subscription and turn off auto-renewal in your App Store account settings after purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://a3c.resaleapp.ru/en/privacy/ ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | a3c Pro — Monthly | $4.99 | per month | | a3c Pro — Yearly | $39.99 | per year | ## Is Odyx safe? Not enough ratings yet to assess Odyx. ## Is Odyx legit? Odyx: Car Coding & OBD2 has limited verification signals. The AppsHunter Legitimacy Score for Odyx is 58 out of 100 points across 7 verification signals from App Store and developer data. ## Version history (last 5 releases) ### 1.1.4 — 2026-10-24 Bug fixes and stability improvements. • Writing functions and removing SFD is more reliable on slow Bluetooth connections: writes no longer stop between steps, and MIB3 infotainment accepts writes and shows the SFD status correctly. • More accurate module fault analysis: unconfirmed entries are no longer counted as faults, and it is shown right away when a module does not report faults over OBD. • Odyx Pro: exact map values arrive right after the app is installed. • After the introduction the app offers to turn on notifications. • If a write fails, a report to the developer is one tap away. • The connection copes better with the ignition switched off. ### 1.1.3 — 2026-10-23 • Fixed writing the MIB3 infotainment and navigation language on the Audi A3 8Y and Q3 F3: with SFD unlocked, these settings apply again. ### 1.1.2 — 2026-10-22 • Report a problem: from Settings and from screens with an error — a request to the developer with the connection log. Odyx finds the moment of the failure itself and sends the VIN truncated; send the request or share it as a file. • Long option lists now use a drum, so settings with many values are easier to pick. • Connecting is more tolerant of ELM327 clones. If an adapter does not connect, Odyx sends an anonymous connection report — you can turn this off in Settings. • Volkswagen Golf VII and Škoda Octavia III are now in the catalog, and Tiguan II gets back its settings with many options. • Sounds and haptics with switches in Settings; a ring shows which stories you have seen. • Usage statistics and crash reports help us find bugs; you can turn them off in Settings. ### 1.1.1 — 2026-10-20 • Odyx news on the Car tab: short stories about new functions and cars in the catalog. Scroll down and they move into the header. • Audi Q3 (F3) and Audi A3 (8V) are now in the catalog. • More reliable connection: Odyx repeats a read when the adapter or a control unit asks to wait. • Odyx detects SFD protection from the control unit's own answer, so it asks for a token less often. • Fixes: changing the language updates settings at once, the notifications switch no longer breaks when notifications are blocked in iOS settings, and the signature in the owner's manual uses the full screen. ### 1.1.0 — 2026-10-18 No release notes. ## Related topics [obd sound](https://appshunter.io/ios/topics/obd-sound) --- *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 2026-10-26.*