Comparison

OBDGO PRO vs M100

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

Head to head
About

OBDGO PRO

Unlock hidden vehicle features and perform OBD-II diagnostics with this app. It allows you to activate functionalities like wireless CarPlay, disable start-stop systems, and scan/clear trouble codes. Generate detailed diagnostic reports to understand and repair your car.

Highlights
  • Unlock hidden vehicle features
  • OBD-II code scanning and clearing
  • Generate and share diagnosis reports
  • Activate wireless CarPlay
  • Disable start-stop systems
  • View freeze frame data
  • Interactive data stream graphing
Features
Read full description

OBDGO PRO besides basic OBD-II diagnosis, vehicle hidden features unlock is available. Let everyone enjoy the fun of modding! 1. Unlock Hidden Features Support Models: Porsche, BMW, Mercedes, Ford, Audi, Volkswagen, more available vehicle and year models please check in app. Popular features such as: - Activate Wireless CarPlay - Disable Start Stop - Enable Engine Performance Menu - Change Turn Signal Blicks Times - Change Head Unit Start Animation - Activate G-Force Display More features are waiting for you to explore! 2. OBD-II Diagnosis Vehicle coverage: GM, Ford, Chrysler, Toyota, Nissan, Mazda, Mercedes, Mitsubishi, Hyundai/Kia, BMW/Mini, Honda/Acura, Volkswagen/Audi, Subaru, Buick, Chevrolet, Cadillac, Lincoln, Dodge, Jeep, Smart, Skoda, Porsche, FIAT, Renault, Peugeot, Citroen, Landrover, Jaguar, Lexus, Infiniti, Suzuki, Ssangyong. Features such as: - Scan trouble codes - Clear trouble codes - Generate, print, and share Diagnosis Reports - Mode 6 (On-Board Monitoring Test Results) - Smog Readiness Check - Freeze Frame Data - Multiple data streams interactive graphing and logging - Wireless bluetooth connection with vehicle - Metric and Imperial settings 3. Diagnosis Report Diagnosis report is specific to your vehicle's year, make and model. Providing a cryptic code definition by giving you validated fixes for your trouble codes. Save time by using OBDGO PRO to know your vehicle how to repair in advance. OBDGO PRO is a professional scan tool and the APP is free to install, but it does require the purchase of sensor to communicate with your vehicle. Sensor simply connects to your data port located inside your car near the steering wheel. Every car made since 1996 is global compatible can be used anywhere in the world.

About

M100

This application connects to your vehicle via Bluetooth to provide diagnostic and monitoring functions. It allows you to read and clear fault codes, analyze driving performance, and view instrument panel data. Supports multiple languages and operates on low power.

Highlights
  • Fault code reading and clearing
  • Instrument panel display
  • Performance testing
  • Driving analysis
  • Bluetooth 4.0 adapter support
  • Multi-language support
Features
Read full description

M100 is a car diagnostic and monitoring application,support English,Español,Русский,Deutsch,Français,日本語,中文. Through iPhone and iPad, use Bluetooth to communicate with the vehicle terminal to complete fault diagnosis and driving assistance functions. It has automobile detection and analysis functions such as fault code reading and clearing, instrument panel, performance test, and travel analysis. It also supports high-speed data transmission and has the advantages of low power consumption and ultra-power saving. caution: 1. Support the adapter that runs through Bluetooth 4.0. 2. The parameters supported by each vehicle are different, which has nothing to do with M100, but is related to the vehicle control unit.

Screenshots

OBDGO PRO4 screens
M1004 screens

Verdict

The call

The clearest difference is rating: OBDGO PRO at 4.5 against M100's 3.3. OBDGO PRO also leads on ratings volume (31 vs 6). M100's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

OBDGO PRO holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: OBDGO PRO has 31 ratings behind it against 6, so its average is the more settled of the two.

UpkeepUpdate frequency

OBDGO PRO ships an update every 2 months, M100 every 3 weeks. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
OBDGO PRO versus M100: the parameters behind the verdict, then further details
ParameterOBDGO PROM100
PriceFreeFree
Rating4.5 (31 ratings) — better3.3 (6 ratings)
Positive reviews69.2% of reviews—
Number of ratings31 — better6
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.010.0 — better
Further details — not scored
Size137 MB97 MB
Age rating17+4+
DeveloperOBD GO TECH CO LTDShenzhen Chaoyue Technology Development Co.,Ltd

Customer experience

OBDGO PRO

All ratings25 ratings
Positive88.0%
Neutral4.0%
Negative8.0%
Written reviews13 reviews
Positive69.2%
Neutral0.0%
Negative30.8%

M100

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

OBDGO PRO

No in-app purchases

None

M100

No in-app purchases

Questions

Is OBDGO PRO free?
OBDGO PRO is free to download, with no in-app purchases.
Is M100 free?
M100 is free to download, with no in-app purchases.
Which has better reviews, OBDGO PRO or M100?
OBDGO PRO is rated higher. OBDGO PRO averages 4.5 out of 5 from 31 ratings, while M100 averages 3.3 from 6 ratings.
Do OBDGO PRO or M100 have ads?
Neither OBDGO PRO nor M100 shows ads.
Which is updated more often, OBDGO PRO or M100?
OBDGO PRO ships an update every 2 months, and M100 every 3 weeks. Most recently, OBDGO PRO was updated on October 24, 2026 and M100 on October 24, 2026.

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