Comparison

OBD Plus vs ActiveOBD

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

ActiveOBD

This app functions as an OBDII scanner, offering specialized support for Subaru vehicles (MY2012+). It provides basic parameter readings for free, with a subscription unlocking advanced features like trouble code reading and data logging.

Highlights
  • OBDII scanning
  • Subaru-specific support (MY2012+)
  • CVT Oil Temperature reading
  • AWD duty (%) parameter reading
  • Trouble code reading (full version)
  • Data logging (full version)
  • Graphs building (full version)
Features
Read full description

The OBDII scanner app with a special support of Subaru (MY2012+) make. It's the next-generation product based on our well-known "ActiveOBD for Subaru" app bringing its best features to iOS users. A compatible OBD adapter is required. Premium-level adapters supported (best speed and stability): - OBDLink MX+; - OBDLink CX; - vLinker MC+. Entry-level adapters supported (moderate speed, good stability): - Vgate iCar Pro Bluetooth 4.0 (BLE). Other adapters supported: - Viecar Bluetooth 4.0 (BLE), Vgate iCar Pro WiFi, Veepeak OBDCheck BLE+, KONNWEI. We do NOT support the majority of cheap ELM327 v2.1 clones. The basic free version already includes CVT Oil Temperature, CVT ratio and AWD duty (%) parameter readings and nice gauge screen ! Note: some of these parameters are inaccessible on some model ranges. The full version (subscription) includes extra parameters reading and features, such as graphs building, logging ("premium-level adapter" required), trouble codes reading. Note: for resource consumption optimization reason the data collection for graphs/logging activates upon accessing these functions and terminates with the current app session. Terms of Use (standard Apple Terms of Use / EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

OBD Plus4 screens
ActiveOBD4 screens

Verdict

The call

The clearest difference is in-app purchases: OBD Plus at none against ActiveOBD's 1. OBD Plus also leads on update cadence (every 4 weeks vs every 3 months) and iOS requirement (8.0 vs 13.0). ActiveOBD's advantage is review sentiment (45% vs 22%) and rating (3.6 vs 3.3). On price, 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. ActiveOBD sells 1 in-app purchase, starting at $4.99 per month. OBD Plus asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ActiveOBD holds the better App Store score, 3.6 against 3.3. That said, the two scores are not equally well evidenced: ActiveOBD has 39 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 22% of OBD Plus's written reviews are positive against 45% of ActiveOBD's.

UpkeepUpdate frequency

OBD Plus ships an update every 4 weeks, ActiveOBD every 3 months. The most recent releases landed on September 21, 2026 and July 23, 2026 respectively.

Scorecard7 real differences · 3 level
OBD Plus versus ActiveOBD: the parameters behind the verdict, then further details
ParameterOBD PlusActiveOBD
PriceFreeFree
Rating3.3 (4 ratings)3.6 (39 ratings) — better
Positive reviews21.9% of reviews45.5% of reviews — better
Number of ratings439 — better
Update frequencyEvery 4 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better13.0
Further details — not scored
Size30 MB24 MB
Age rating4+4+
DeveloperShenzhen Leagend Optoelectronics Co., Ltd.Mykhailo Zolotarov

Customer experience

OBD Plus

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

ActiveOBD

All ratings39 ratings
Positive61.5%
Neutral10.3%
Negative28.2%
Written reviews22 reviews
Positive45.5%
Neutral13.6%
Negative40.9%

In-app purchases

None

OBD Plus

No in-app purchases

1 purchases

ActiveOBD

Subscriptions1
  • Full Version Subscription1 Month trial$4.991 Month

Questions

Is OBD Plus free?
OBD Plus is free to download, with no in-app purchases.
Is ActiveOBD free?
ActiveOBD is free to download, with in-app purchases available.
Which has better reviews, OBD Plus or ActiveOBD?
ActiveOBD is rated higher. OBD Plus averages 3.3 out of 5 from 4 ratings, while ActiveOBD averages 3.6 from 39 ratings.
Do OBD Plus or ActiveOBD have ads?
Neither OBD Plus nor ActiveOBD shows ads.
Which is updated more often, OBD Plus or ActiveOBD?
OBD Plus ships an update every 4 weeks, and ActiveOBD every 3 months. Most recently, OBD Plus was updated on September 21, 2026 and ActiveOBD on July 23, 2026.

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