Comparison

OBD2 Scanner | OBD Auto Doctor vs MaXpeedingRods

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

Head to head
About

OBD2 Scanner | OBD Auto Doctor

Transform your iPhone into a car diagnostic tool. Read and clear engine trouble codes, monitor live engine data, and check emissions readiness with a compatible OBD2 dongle.

Highlights
  • Read and clear diagnostic trouble codes (DTCs)
  • Monitor live engine data
  • Check emissions readiness
  • View freeze-frame data
  • Create custom sensor dashboards
  • Works with compatible OBD2 dongles
Read full description

Turn your iPhone into a powerful OBD2 car scanner and diagnose your vehicle yourself. Check why your Check Engine Light is on, read and clear diagnostic trouble codes, monitor live engine data, and check emissions readiness — all from your iPhone or iPad with a compatible OBD2 dongle. CHECK YOUR CHECK ENGINE LIGHT Don't guess what's wrong with your car. OBD Auto Doctor reads diagnostic trouble codes from your vehicle and provides detailed information to help you understand what they mean. • Read diagnostic trouble codes (DTCs) • Clear Check Engine Light codes • View detailed code descriptions • Read freeze-frame data MONITOR YOUR CAR IN REAL TIME See what's happening while your engine is running with live OBD2 data. • Engine RPM and vehicle speed • Coolant temperature • Fuel system and fuel trim data • Throttle position • Intake air and engine load • Oxygen sensor data • And many other vehicle parameters Create your own dashboard and choose exactly which sensors you want to monitor. CHECK EMISSIONS READINESS Preparing for an emissions or vehicle inspection? Check your vehicle's readiness monitors and see whether your car's emissions systems have completed their tests. WORKS WITH OBD2 DONGLES Connect OBD Auto Doctor to your vehicle using a compatible Bluetooth, Wi-Fi or Bluetooth Low Energy (BLE) OBD2 dongle. Compatible dongles include many ELM327-based adapters, OBDLink, Vgate, Linker, Veepeak and other compatible OBD2 interfaces. Please note: An OBD2 dongle is required to connect the app to your vehicle. Dongle compatibility and available features depend on your vehicle. MORE THAN JUST A CODE READER OBD Auto Doctor gives you access to the information your car's onboard diagnostic system makes available. • Read vehicle information • Monitor fuel consumption • View and record live sensor data • Read diagnostic trouble codes • Clear diagnostic trouble codes • Check emissions readiness • View freeze-frame data • Monitor vehicle performance Whether you're trying to understand a Check Engine Light, preparing your car for inspection, monitoring your engine, or simply want to know more about your vehicle, OBD Auto Doctor puts professional-style OBD2 diagnostics in your pocket. Download OBD Auto Doctor and start diagnosing your car today. SUBSCRIPTION OBD Auto Doctor offers optional subscriptions that unlock additional features. Terms of Use: https://www.obdautodoctor.com/terms

About

MaXpeedingRods

Control various car accessories remotely, including heaters, generators, and air compressors. Connect with a community of car enthusiasts, share trending topics, and receive expert support for a seamless automotive experience.

Highlights
  • Smart device control (heaters, generators, air compressors)
  • Real-time monitoring of device data
  • Customizable air compressor presets
  • Community forum for car enthusiasts
  • Expert advice on automotive topics
  • Responsive customer support
Features
Read full description

Welcome to Maxpeedingrods – The Ultimate App for Car Enthusiasts! Discover an interactive environment with powerful tools for car lovers. With three main features, we make exploring the automotive world simple and engaging: 1. Smart Control Manage multiple devices smoothly on one single app, even without internet access (offline functionality requires initial pairing). Supported Devices: Heater (for Bluetooth-enabled devices only): • Remote control for power, temperature modes, and adjustments. • Real-time display of operating temperature, voltage, casing temperature, ambient temperature, fan speed, and oil pump frequency. MXR4000GT: • Allows remote start and stop of the generator. • Remotely activate or deactivate the generator's ECO switch. • Monitor generator data in real-time, including: output voltage/frequency, remaining fuel in the tank, total running time, single session running time, generator status (stopped/running/protected), and load power. MXR4000: • Remotely activate or deactivate the generator's ECO switch. • Monitor generator data in real-time, including: output voltage/frequency, remaining fuel in the tank, total running time, single session running time, generator status (stopped/running/protected), and load power. Air Controller Kit (for Bluetooth-enabled devices only): • Wireless air compressor control with three customizable presets to suit various scenarios. • Reliable signal within 20 meters of the vehicle. 2. Automotive Content Join the Maxpeedingrods community and connect with thousands of car enthusiasts. Engage with experts to explore trending topics in cars, racing, and more. 3. Customer Support Enjoy responsive, professional assistance whenever you need it. Our dedicated team ensures a smooth experience with our products. Privacy Protection Your privacy is our priority. We closely adhere to local regulations to protect your data, giving you peace of mind as you connect with the automotive community.

Screenshots

OBD2 Scanner | OBD Auto Doctor4 screens
MaXpeedingRods4 screens

Verdict

The call

The clearest difference is rating: OBD2 Scanner | OBD Auto Doctor at 4.4 against MaXpeedingRods's 3.4. OBD2 Scanner | OBD Auto Doctor also leads on ratings volume (6.2K vs 17). MaXpeedingRods's advantage is in-app purchases (none vs 9) and iOS requirement (14.0 vs 17.0). On price, review sentiment, update cadence and ads 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. OBD2 Scanner | OBD Auto Doctor sells 9 in-app purchases, starting at $4.99 per month. MaXpeedingRods asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OBD2 Scanner | OBD Auto Doctor holds the better App Store score, 4.4 against 3.4. That said, the two scores are not equally well evidenced: OBD2 Scanner | OBD Auto Doctor has 6.2K ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 30% of OBD2 Scanner | OBD Auto Doctor's written reviews are positive against 27% of MaXpeedingRods's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
OBD2 Scanner | OBD Auto Doctor versus MaXpeedingRods: the parameters behind the verdict, then further details
ParameterOBD2 Scanner | OBD Auto DoctorMaXpeedingRods
PriceFreeFree
Rating4.4 (6.2K ratings) — better3.4 (17 ratings)
Positive reviews30.4% of reviews — better26.9% of reviews
Number of ratings6.2K — better17
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.014.0 — better
Further details — not scored
Size19 MB261 MB
Age rating4+17+
DeveloperCreosysHong Kong Ruisu Trading Co.,Limited

Customer experience

OBD2 Scanner | OBD Auto Doctor

All ratings6,230 ratings
Positive84.4%
Neutral4.1%
Negative11.4%
Written reviews578 reviews
Positive30.4%
Neutral8.3%
Negative61.2%

MaXpeedingRods

All ratings17 ratings
Positive58.8%
Neutral5.9%
Negative35.3%
Written reviews26 reviews
Positive26.9%
Neutral0.0%
Negative73.1%

Bugs and requests

OBD2 Scanner | OBD Auto Doctor

Reported bugs

4 issues
  • App crashes on launch
  • Fails to detect existing fault codes
  • Subscription issues and inability to cancel
  • Incompatible with certain OBD2 adapters

Requested features

6 requests
  • Add support for more vehicle makes and models
  • Improve Bluetooth/WiFi connectivity
  • Provide more detailed diagnostic information
  • Allow clearing of error codes without subscription
  • Add live data dashboards and graphs
Show 1 more
  • Integrate with vehicle maintenance scheduling

MaXpeedingRods

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

OBD2 Scanner | OBD Auto Doctor

Subscriptions8
  • Monthly (legacy)$4.991 Month
  • Personal, monthly$4.991 Month
  • Premium, monthly$5.991 Month
Show 5 more
  • Professional, monthly$6.991 Month
  • Yearly (legacy)$23.991 Year
  • Personal, yearly$23.991 Year
  • Professional, yearly$29.991 Year
  • Premium, annual3 Days trial$29.991 Year
One-time1
  • OBD Auto Doctor Pro (legacy)$29.99
None

MaXpeedingRods

No in-app purchases

Questions

Is OBD2 Scanner | OBD Auto Doctor free?
OBD2 Scanner | OBD Auto Doctor is free to download, with in-app purchases available.
Is MaXpeedingRods free?
MaXpeedingRods is free to download, with no in-app purchases.
Which has better reviews, OBD2 Scanner | OBD Auto Doctor or MaXpeedingRods?
OBD2 Scanner | OBD Auto Doctor is rated higher. OBD2 Scanner | OBD Auto Doctor averages 4.4 out of 5 from 6.2K ratings, while MaXpeedingRods averages 3.4 from 17 ratings.
Do OBD2 Scanner | OBD Auto Doctor or MaXpeedingRods have ads?
Neither OBD2 Scanner | OBD Auto Doctor nor MaXpeedingRods shows ads.
Which is updated more often, OBD2 Scanner | OBD Auto Doctor or MaXpeedingRods?
OBD2 Scanner | OBD Auto Doctor ships an update every 3 weeks, and MaXpeedingRods every 3 weeks. Most recently, OBD2 Scanner | OBD Auto Doctor was updated on November 11, 2026 and MaXpeedingRods on November 3, 2026.

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