Comparison

BT1 vs OBDocker

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

Head to head
About

BT1

Decode your vehicle's Check Engine Light and check for recalls or service bulletins. Connect a compatible scanner to your device to gain insights into your car's health and avoid unexpected issues.

Highlights
  • Decode Check Engine Light
  • Check for vehicle recalls
  • Check for Special Service Bulletins
  • Connects via Bluetooth or cable scanner
  • Pairs with iPhone, iPod touch, or iPad
Features
Read full description

Calm Your Auto Woes! One in ten vehicles in the US have the Check Engine Light on. Is yours one of them? Was your vehicle one of the 20 million recalled in 2010? Simply connect our BT1 (Bluetooth) or GL1 (cabled) automotive scanner (sold separately) to your vehicle; pair with your iPhone or iPod touch, or iPad; and remove the risks, and surprises, from driving. - Decode the Check Engine Light - Check for vehicle recalls - Check for Special Service Bulletins Like having your own personal mechanic riding next to you!

About

OBDocker

This app acts as a professional OBD2 car scanner, enabling users to diagnose, service, and customize their vehicles. It offers comprehensive diagnostic modes, real-time data monitoring, and various service functions like oil resets and battery registration.

Highlights
  • Triple-mode diagnostics (Full-Systems, Multi-Systems, Quick Scan)
  • Triple-mode live data monitoring (Health, Engine, Dash)
  • Full-cycle service functions (Emissions Pre-Check, Control Tests, Oil Reset, Battery Registration)
  • One-click car setting adjustments and retrofits
  • Supports a wide range of car brands and models
Read full description

Crafted with user-friendliness and power in mind, OBDocker is a professional OBD2 car scanner app that empowers you to diagnose, service, and customize your vehicles with ease and precision. ************************* KEY FEATURES → Triple-Mode Diagnostics ○ Full-Systems Diagnose: One-Click OE-Level full-systems diagnostics. ○ Multi-Systems Diagnose: Scan multiple systems through ECUs filtering such as TMS, SRS, ABS, TCM, BCM and many more. ○ Quick Scan: Swiftly read and clear engine fault codes to maintain a smooth drive. → Triple-Mode Live Data ○ Health Monitor: Track every systems performance by diving into real-time parameters. ○ Engine Monitor: Monitor your engine's performance. ○ Dash Monitor: Visualize your vehicle's metrics in real-time. → Full-Cycle Service ○ Emissions Pre-Check: Test your emissions and pass with confidence before your official check. ○ Control Tests: Perform EVAP Leak Test, DPF and Inducement System Reinitialization. ○ Oil Reset: Easily reset oil change reminders and maintenance lights to keep your car's records up to date. ○ Battery Registration: Register the battery replacement to notify the battery management. → On-Click Modification ○ Adjustments: Adjust different car settings and customize them by one-click. ○ Retrofits: Easily adapt additional vehicle parts after installation. ************************* OBD ADAPTERS OBDocker requires a compatible OBD adapter to work. We recommend the following for the best experience: - High Performance: Vlinker Series, OBDLink Series, MotorSure OBD Tool, Carista EVO. - Middle Performance: All genuine adapters compatible with ELM327 / ELM329, including Veepeak Series, Vgate iCar Series, UniCarScan, NEXAS, Carista, Rodoil ScanX, and more. - Low Performance (Not Recommended): Cheep Chinese clones ELM. ************************* SUPPORTED CARS OBDocker is compatible with a wide range of vehicles, covering both standard and advanced modes: - Standard Mode: Universal compatibility with OBD2 / OBD-II or EOBD vehicles worldwide. - Advanced Mode: Toyota, Lexus, Nissan, infiniti, Honda, Acura, Hyundai, Kia, Volkswagen, Audi, Skoda, SEAT, Mercedes-Benz, BMW, Mini, Porsche, Ford, Lincoln, Chevrolet, Cadillac, GMC, Buick. And still working really hard to add more… ************************* PLANS: OBDocker offers a free trial for full feature access. To unlock unlimited potential, choose from our Pro or Pro Max subscriptions. NOTE: Vehicle ECUs vary in the amount of sensors supported. This app can’t show you something, that is not provided by your car. Terms and Conditions: https://www.obdocker.com/terms-and-coditions Privacy Policy: https://www.obdocker.com/privacy-policy Apple Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

BT14 screens
OBDocker4 screens

Verdict

The call

The clearest difference is rating: OBDocker at 4.2 against BT1's 2.4. OBDocker also leads on update cadence (fortnightly vs every 4 months). BT1's advantage is in-app purchases (none vs 7) and iOS requirement (10.0 vs 13.0). On price, review sentiment, ratings volume 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. OBDocker sells 7 in-app purchases, starting at $2.99 per month. BT1 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OBDocker holds the better App Store score, 4.2 against 2.4. Both are backed by a comparable volume of ratings — 14 and 17 respectively. Written reviews split almost evenly too, at 48% and 47% positive.

UpkeepUpdate frequency

BT1 ships an update every 4 months, OBDocker fortnightly. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

Scorecard5 real differences · 5 level
BT1 versus OBDocker: the parameters behind the verdict, then further details
ParameterBT1OBDocker
PriceFreeFree
Rating2.4 (14 ratings)4.2 (17 ratings) — better
Positive reviews47.7% of reviews — better46.9% of reviews
Number of ratings1417 — better
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPod
Requires iOS10.0 — better13.0
Further details — not scored
Size5 MB238 MB
Age rating4+4+
DeveloperGoPoint Technology, IncMotorsure. Inc

Customer experience

BT1

All ratings14 ratings
Positive28.6%
Neutral7.1%
Negative64.3%
Written reviews86 reviews
Positive47.7%
Neutral4.7%
Negative47.7%

OBDocker

All ratings17 ratings
Positive70.6%
Neutral17.6%
Negative11.8%
Written reviews32 reviews
Positive46.9%
Neutral6.3%
Negative46.9%

Bugs and requests

BT1

Reported bugs

25 issues
  • App crashes when scanning vehicle
  • App crashes after 30 seconds
  • App not working anymore
  • Cannot select make/model
  • App not updated for newer vehicles
Show 20 more
  • App not compatible with newer IOS versions
  • Initialization failed error
  • Cannot install app on older devices due to iOS requirements
  • Bluetooth device has trouble connecting
  • App crashes upon setup
  • Blank boxes for make/model selection
  • App freezes and glitches
  • App locks up when entering car data
  • App crashes every time
  • Cannot get past create account screen
  • App crashes only once (user reported)
  • Difficult or time-consuming to connect
  • Http error when connected
  • App crashes when connected
  • Doesn't clear check engine light
  • No data stream info
  • App asks for vehicle info and searches recalls
  • Less functions than cabled version
  • Software too basic
  • Does not clear codes or reset trouble lights

Requested features

8 requests
  • Update app for newer iOS versions
  • Add more vehicle makes/models
  • Improve fault code detection
  • Add live data stream
  • Firmware update for Bluetooth device
Show 3 more
  • More detailed vehicle stats
  • Constant data recording
  • More advanced features

OBDocker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

BT1

No in-app purchases

7 purchases

OBDocker

Subscriptions6
  • OBD Pro (Monthly)$2.991 Month
  • OBD Pro Max (Monthly)$7.991 Month
  • OBD2 Pro (6 Months)$14.996 Months
Show 3 more
  • OBD Pro (Annual)7 Days trial$17.991 Year
  • Mechanic Access (Quarterly)$19.993 Months
  • OBD Pro Max (Annual)7 Days trial$47.991 Year
One-time1
  • OBD Pro Max (Permanent)$119.99

Questions

Is BT1 free?
BT1 is free to download, with no in-app purchases.
Is OBDocker free?
OBDocker is free to download, with in-app purchases available.
Which has better reviews, BT1 or OBDocker?
OBDocker is rated higher. BT1 averages 2.4 out of 5 from 14 ratings, while OBDocker averages 4.2 from 17 ratings.
Do BT1 or OBDocker have ads?
Neither BT1 nor OBDocker shows ads.
Which is updated more often, BT1 or OBDocker?
BT1 ships an update every 4 months, and OBDocker fortnightly. Most recently, BT1 was updated on October 5, 2026 and OBDocker on October 11, 2026.

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