Comparison

OBD Plus vs ScanMaster Lite

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

Head to head
About

OBD Plus

Monitor your vehicle's engine, emissions, and other critical systems. This app aids in diagnosing car issues and provides insights into various components for better car maintenance.

Highlights
  • Vehicle condition monitoring
  • Car diagnostics
  • Engine system monitoring
  • Emission control system analysis
  • Oxygen sensor monitoring
  • Fuel system analysis
Features
Read full description

Our APP can help the user to reach the function including vehicle condition, car and car diagnose, Through the participation of automobile. It not only solves the problems of some owners, but also monitors many systems and components, including engine, catalytic converter, Oxygen sensors, emission control systems, fuel systems, GER and so on. Let your car and life perfect!

About

ScanMaster Lite

Monitor your car's real-time data, diagnose issues, and enhance performance with this OBD2 scanner app. Connect via Bluetooth to an OBD2 device or ELM 327 adapter to read fault codes and gain insights into engine health and fuel efficiency.

Highlights
  • Real-time vehicle monitoring
  • Read and clear OBD-II fault codes
  • Car performance metrics
  • Wide vehicle compatibility
  • User-friendly interface
  • Connects with ELM327 adapters
Features
Read full description

Take control of your vehicle’s health and performance with ScanMaster Lite: ELM327 OBD-2, the easiest and most efficient OBD2 car scanner app. With the ability to connect your car via Bluetooth to an OBD2 device or ELM 327 adapter, you can monitor your car's real-time data, diagnose issues, and enhance its performance like never before. Key Features: ◆ Real-time Vehicle Monitoring: Access live data from your car’s sensors, including speed, engine RPM, fuel consumption, and more. ◆ OBD Fault Codes: Read and clear OBD-II trouble codes, helping you identify potential issues with your car and avoid expensive repairs. ◆ Car Performance Metrics: Get insights into your car’s performance with detailed statistics on engine health, fuel efficiency, and other essential metrics. ◆ Remote Control: Remotely manage some vehicle functions to keep your car running smoothly. ◆ Wide Vehicle Compatibility: Supports a wide range of OBD2-compliant vehicles, ensuring it works with most cars manufactured worldwide. Why Choose ScanMaster Lite? ◆ User-Friendly Interface: Intuitive design makes it easy for both beginners and experienced users to navigate. ◆ Affordable Diagnostics: Save time and money by diagnosing issues at home before visiting the mechanic. ◆ Compatible with ELM327 Adapters: Seamlessly connects with popular OBD2 Bluetooth devices and ELM 327 adapters for quick setup and diagnostics. Whether you’re a car enthusiast, a DIY mechanic, or simply want to keep your car running smoothly, ScanMaster Lite: ELM327 OBD-2 is the perfect app to put you in control of your vehicle’s health. Premium Access: ◆ To access all the premium features and content, you need to subscribe or pay once for lifetime access. The cost of the purchase is charged to your iTunes account. ◆ Subscriptions automatically renew and are billed at the rate and period you choose based on your subscription plan. User accounts are charged for auto-renewal within 24-hours prior to the end of the current period. ◆ Subscriptions may be managed and auto-renewal may be turned off in iTunes Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. You have any questions or concerns? Feel free to contact us. We're always here to help. Privacy Policy: https://sites.google.com/view/smart-technologies-gmbh/pp Term Of Service: https://sites.google.com/view/smart-technologies-gmbh/tos

Screenshots

OBD Plus4 screens
ScanMaster Lite3 screens

Verdict

The call

The clearest difference is in-app purchases: OBD Plus at none against ScanMaster Lite's 3. OBD Plus also leads on update cadence (every 4 weeks vs every 5 months) and review sentiment (22% vs 0%). ScanMaster Lite's advantage is rating (3.7 vs 3.3). On price, ratings volume, ads 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. ScanMaster Lite sells 3 in-app purchases, starting at $2.99 per 7 days. OBD Plus asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ScanMaster Lite holds the better App Store score, 3.7 against 3.3. Both are backed by a comparable volume of ratings — 4 and 6 respectively. Written reviews complicate that: 22% of OBD Plus's written reviews are positive against 0% of ScanMaster Lite's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

OBD Plus ships an update every 4 weeks, ScanMaster Lite every 5 months. Both last shipped on September 21, 2026.

Scorecard6 real differences · 4 level
OBD Plus versus ScanMaster Lite: the parameters behind the verdict, then further details
ParameterOBD PlusScanMaster Lite
PriceFreeFree
Rating3.3 (4 ratings)3.7 (6 ratings) — better
Positive reviews21.9% of reviews — better0.0% of reviews
Number of ratings46 — better
Update frequencyEvery 4 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPod — betteriPhone
Requires iOS8.0 — better17.0
Further details — not scored
Size30 MB7 MB
Age rating4+4+
DeveloperShenzhen Leagend Optoelectronics Co., Ltd.SMART Technologies GmBH

Customer experience

OBD Plus

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews32 reviews
Positive21.9%
Neutral12.5%
Negative65.6%

ScanMaster Lite

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

OBD Plus

No in-app purchases

3 purchases

ScanMaster Lite

Subscriptions2
  • Premium Weekly$2.997 Days
  • Premium Monthly$6.991 Month
One-time1
  • Premium Lifetime$14.99

Questions

Is OBD Plus free?
OBD Plus is free to download, with no in-app purchases.
Is ScanMaster Lite free?
ScanMaster Lite is free to download, with in-app purchases available.
Which has better reviews, OBD Plus or ScanMaster Lite?
ScanMaster Lite is rated higher. OBD Plus averages 3.3 out of 5 from 4 ratings, while ScanMaster Lite averages 3.7 from 6 ratings.
Do OBD Plus or ScanMaster Lite have ads?
Neither OBD Plus nor ScanMaster Lite shows ads.
Which is updated more often, OBD Plus or ScanMaster Lite?
OBD Plus ships an update every 4 weeks, and ScanMaster Lite every 5 months. Most recently, OBD Plus was updated on September 21, 2026 and ScanMaster Lite on September 21, 2026.

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