Comparison

CarCoding vs Fixlith Scan

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CarCoding

This app acts as an OBD2 scanner, providing diagnostics, live data, and ECU coding for your vehicle. It helps you understand check engine lights, clear codes, monitor engine performance, and access hidden car features. Supports ELM327 adapters and offers AI-powered repair assistance.

Highlights
  • OBD2 diagnostics and fault code clearing
  • AI repair assistant for code explanations
  • Live engine data with customizable gauges
  • ECU coding and access to hidden features
  • Apple CarPlay and Siri integration
  • Vehicle compatibility checks
Features
Read full description

CarCoding is a vehicle fault diagnosis and ECU coding app for ELM327 OBD2 scanners. Read and clear fault codes, view live data, reset service indicators, inspect used vehicles, and unlock hidden features — all in one OBD2 app. Plug in a Bluetooth (BLE) or Wi-Fi adapter, connect to your vehicle's control units in seconds. Find out why the check engine light is on, clear fault codes, watch live data, unlock hidden features. ▸ OBD2 DIAGNOSTICS • FAULT CODE READING AND CLEARING (DTC) Read and clear OBD2 fault codes — standard P-codes plus manufacturer-specific B, C and U codes. Engine, transmission, ABS, airbags and body modules in a single scan. Descriptions in plain language. • AI FAULT ANALYSIS What does "P0420" mean? Built-in AI explains the likely cause, urgency and what to check first — no jargon. • LIVE ENGINE ANALYSIS Measure fuel trim and oxygen sensor response at idle and under load; the app diagnoses vacuum leaks, fuel supply issues and sensor faults from the numbers. • USED CAR CHECK AND INSPECTION READINESS Were fault codes cleared before sale? Permanent fault codes, readiness monitors and distance driven since codes were cleared on one screen. Mode 06 tests give early warning before a fault code is set. ▸ LIVE DATA AND GAUGES • DIGITAL GAUGE PANEL Track RPM, coolant temperature, oil temperature, boost pressure, fuel trim and battery voltage in real time. Design your own gauges, record drives, export OBD2 logs. • APPLE CARPLAY AND SIRI Speed, RPM, engine temperature and battery voltage on your car's screen — with active fault codes and threshold alerts. Ask Siri: "What's my engine temperature?" • TRIP COMPUTER AND PERFORMANCE TEST Real-time and average fuel consumption, trip cost, distance and speed summary. Measure 0-100 km/h, quarter-mile and braking tests on closed track. • BATTERY, HYBRID AND DPF HEALTH Check battery health from the voltage drop while cranking. Battery status on hybrids and EVs; DPF differential pressure, regeneration status and AdBlue level on diesels. ▸ SERVICE RESET AND MAINTENANCE • OIL, EPB, DPF, SAS AND TPMS RESET Oil change reset, electric park brake (EPB) service mode, DPF regeneration, steering angle sensor (SAS) calibration and TPMS reset — with pre-flight RPM and voltage checks. • ACTUATOR TEST AND EXTENDED SENSORS On supported models, start and stop actuators directly from the app. Read vehicle-specific signals: charge percentage, module temperatures, oil life and more beyond standard OBD2. ▸ ECU CODING AND HIDDEN FEATURES • CODING Read and back up ECU coding data, then switch hidden factory features on or off: mirror folding on lock, seatbelt chime, gauge sweep, headlight behavior. Expert Mode offers direct hex/byte access. • BRAND SUPPORT The most complete coding support is on BMW and MINI. Long coding and adaptation on VW, Audi, Skoda, Seat and Cupra; telecoding on Peugeot, Citroën, DS and Opel; module coding on Ford, Fiat, Alfa Romeo, Jeep, Renault and Dacia; reading and analysis on Hyundai, Kia, Toyota and many more brands. Options vary by model. ▸ MORE • MOTORCYCLE AND TRUCK DIAGNOSIS K-line fault diagnosis and live data on motorcycles; active and historical faults plus live values over J1939 on trucks and buses. • REMOTE SUPPORT Open a support session from within the app; our team inspects your vehicle live through your phone. • 32 LANGUAGES Interface, fault code descriptions and coding labels in 32 languages. • COMPATIBILITY All OBD2-compliant vehicles (gasoline 2001+, diesel 2004+); quality ELM327 Bluetooth and Wi-Fi adapters. ▪ Coding and service resets write data to control modules. CarCoding backs up your data first — keep the ignition on and stay connected during the process. OBD2 scanner, car diagnostic tool and coding tool in one app. Download CarCoding. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://carcoding.app/privacy.html

About

Fixlith Scan

Features
Read full description

Fixlith Scan turns your iPhone or iPad into a professional OBD-II diagnostic scanner. Connect any ELM327 adapter via Bluetooth or Wi-Fi — read fault codes, monitor 200+ live sensors, run ECU coding, and get AI-powered repair recommendations. Save hundreds on mechanic visits. FULL CAR DIAGNOSTICS • Read & clear fault codes: Stored, Pending, and Permanent DTC • Freeze Frame — exact engine conditions at the moment of failure • I/M Readiness monitor status for emissions inspection • Automatic VIN reading with vehicle make/model identification • Supports all OBD-II protocols: CAN, ISO 9141, KWP2000, J1850 200+ LIVE SENSORS IN REAL TIME • RPM, speed, coolant temp, fuel trim, O2 sensors, MAF, turbo boost • 14 sensor categories including Hybrid/EV, Diesel DPF, and TPMS • Configurable monitoring profiles: Eco, Diagnostic, Highway, Custom • Real-time graphs, anomaly detection, and min/max/avg statistics • Built-in speedometer and trip performance tracking AI-POWERED FAULT ANALYSIS • AI explains DTC codes with probable causes and severity rating • Estimated repair costs • Sensor correlation — AI checks related live data for deeper diagnosis • 9 categories of maintenance insights: engine, fuel, cooling, brakes, exhaust • Offline mode: basic rule-based analysis works without internet 26+ ECU CODING & SERVICE FUNCTIONS • Clear DTC codes with post-clear verification • Service interval reset and oil change counter reset • TPMS sensor relearning and calibration • Throttle body adaptation and transmission reset • Steering angle sensor (SAS) calibration • O2 sensor test, catalyst efficiency test, EVAP leak test • EGR valve test, cooling fan activation, turbo actuator test • ECU info: VIN, part number, software version • UDS support: BMW, Mercedes, VW/Audi, Toyota, Ford, GM, Hyundai/Kia VEHICLE HEALTH DASHBOARD • Health Score with weighted subsystem calculation • Engine, Cooling, Transmission, Intake • Animated bar charts per subsystem with real DTC-based data • TPMS tire pressure and temperature per wheel • 68 car brands with automatic identification • Share your Health Score via messages and social media FIND SERVICE & BOOK ONLINE • 9 service categories: auto repair, tire shop, car wash, gas station, EV charging, towing, dealership, parking, auto parts • Maps integration with distance, rating, and price filters GARAGE — MANAGE UP TO 5 VEHICLES • Store multiple vehicles with VIN, make, model, year, mileage • Track health history per vehicle across all scans • Auto-detect active vehicle by VIN on connection • PDF diagnostic reports for your mechanic (Pro) ACHIEVEMENTS • Earn bonus AI credits for milestones • Track your scan streak and estimated savings CONNECT IN SECONDS • Bluetooth and Wi-Fi ELM327 adapters • Auto-detect with saved device memory • Smart auto-reconnect with signal strength display • All diagnostic features work fully offline Beware of counterfeit (clone) ELM327 adapters! They may cause connection issues, incorrect readings, and unstable operation. Use original adapters for reliable diagnostics. SUBSCRIPTION PLANS • Free — basic DTC reading • Weekly — full access for 7 days, 10 AI queries (ideal for one-time checks) • Monthly — 30 AI queries/month • Yearly — best value, save 44% Payment will be charged to your Apple ID at purchase confirmation. Subscriptions automatically renew unless cancelled at least 24 hours before the period ends. Manage or cancel in your Account Settings. Privacy Policy: https://fixlithscan.com/privacy-policy.html Terms of Use: https://fixlithscan.com/terms-of-service.html

Screenshots

CarCoding4 screens
Fixlith Scan4 screens

Verdict

The call

The clearest difference is update cadence: CarCoding at every 2 days against Fixlith Scan's every 6 days. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CarCoding sells 3 in-app purchases, starting at $2.49 per month and Fixlith Scan sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CarCoding ships an update every 2 days, Fixlith Scan every 6 days. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

Scorecard1 real difference · 9 level
CarCoding versus Fixlith Scan: the parameters behind the verdict, then further details
ParameterCarCodingFixlith Scan
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 days — betterEvery 6 days
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.0
Further details — not scored
Size101 MB68 MB
Age rating17+4+
DeveloperMustafa YILMAZOleksander Yaremchuk

In-app purchases

3 purchases

CarCoding

Subscriptions2
  • CarCoding Pro Monthly$2.491 Month
  • CarCoding Pro Annual$19.991 Year
One-time1
  • CarCoding Pro – Lifetime$49.99
3 purchases

Fixlith Scan

Subscriptions3
  • Fixlith Pro Weekly$2.997 Days
  • Fixlith Pro Monthly$5.991 Month
  • Fixlith Pro Yearly$39.991 Year

Questions

Is CarCoding free?
CarCoding is free to download, with in-app purchases available.
Is Fixlith Scan free?
Fixlith Scan is free to download, with in-app purchases available.
Do CarCoding or Fixlith Scan have ads?
Neither CarCoding nor Fixlith Scan shows ads.
Which is updated more often, CarCoding or Fixlith Scan?
CarCoding ships an update every 2 days, and Fixlith Scan every 6 days. Most recently, CarCoding was updated on October 11, 2026 and Fixlith Scan on October 14, 2026.

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