Comparison

aRacerOBD vs OBD2 Gauges

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

Head to head
About

aRacerOBD

Features
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The functions include: 1. Engine data monitoring from ECU in real time. 2. Shows and resets engine DTC codes in the ECU. 3. Component test function for inspecting the component activation. (Injector, Fuel pump, ignition coil, etc.) 4. Shows the ECU information. (Hardware version, software version, etc.)

About

OBD2 Gauges

Features
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OBD2 Gauges connects to your vehicle's OBD2 port via Bluetooth and displays real-time engine data as beautiful, customizable gauges. Features: - AI Vehicle Health: explanations of telemetry and trouble codes, recommended checks, and watch points - Saved health reports you can revisit offline - AI Lite: on-device analysis on compatible devices; AI Pro: on-device plus cloud analysis with explicit consent - Realistic gauge materials, four additional bezel finishes, and ten bezel shapes - Real-time speed, RPM, boost/vacuum, oil temperature, water temperature, intake air temperature, and fuel level gauges - Multiple gauge themes inspired by iconic vehicles: Supra Stock, Supra TRD, Nismo, Audi RS, G35 Rev-Up, and more - 100+ OBD2 parameters supported - Clean, modern interface with dark and light modes - Works with any ELM327-compatible Bluetooth OBD2 adapter - Customizable gauge layouts โ€” single, dual, quad, or full dashboard views - On-device AI keeps analysis on your device. Optional cloud AI sends a telemetry summary to Google only after your consent. Connect your OBD2 Bluetooth adapter, pair it with your device, and launch OBD2 Gauges to see your engine data come alive. Requires an ELM327-compatible Bluetooth Low Energy (BLE) OBD2 adapter and a vehicle with an OBD2 port (1996+ model year). Optional Subscription - Remove Ads (Monthly): auto-renewing subscription that removes all ads while active. Cancel anytime in Settings โ†’ Apple ID โ†’ Subscriptions. - Remove Ads (Lifetime): one-time purchase that removes all ads permanently. - AI Lite: monthly or lifetime access to ad-free, on-device AI Health on compatible devices. - AI Pro: monthly or lifetime access to ad-free AI Health with cloud analysis when on-device AI is unavailable. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Terms of Use: https://www.lightcycleconsulting.com/terms-of-service Privacy Policy: https://www.lightcycleconsulting.com/privacy-policy AI Health requires an AI Lite or AI Pro purchase. On-device AI depends on device and model availability. Cloud AI requires internet access, consent, and AI Pro, with up to 10 cloud analyses per 24-hour window. AI guidance is informational and does not replace a qualified mechanic.

Screenshots

aRacerOBD4 screens
OBD2 Gauges4 screens

Verdict

The call

The clearest difference is in-app purchases: aRacerOBD at none against OBD2 Gauges's 2. aRacerOBD also leads on iOS requirement (10.0 vs 16.0). OBD2 Gauges's advantage is update cadence (every 3 days vs every 8 months). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. OBD2 Gauges sells 2 in-app purchases, starting at $3.99 per month. aRacerOBD asks for nothing beyond the download.

UpkeepUpdate frequency

aRacerOBD ships an update every 8 months, OBD2 Gauges every 3 days. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

Scorecard3 real differences ยท 3 level
aRacerOBD versus OBD2 Gauges: the parameters behind the verdict, then further details
ParameteraRacerOBDOBD2 Gauges
PriceFreeFree
Update frequencyEvery 8 monthsEvery 3 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.0 โ€” better16.0
Further details โ€” not scored
Size17 MB52 MB
Age rating4+17+
DeveloperARACER SPEEDTEK INC.Edward Williams

In-app purchases

None

aRacerOBD

No in-app purchases

2 purchases

OBD2 Gauges

Subscriptions1
  • Remove Ads (Monthly)$3.991 Month
One-time1
  • Remove Ads (Lifetime)$24.99

Questions

Is aRacerOBD free?
aRacerOBD is free to download, with no in-app purchases.
Is OBD2 Gauges free?
OBD2 Gauges is free to download, with in-app purchases available.
Do aRacerOBD or OBD2 Gauges have ads?
Neither aRacerOBD nor OBD2 Gauges shows ads.
Which is updated more often, aRacerOBD or OBD2 Gauges?
aRacerOBD ships an update every 8 months, and OBD2 Gauges every 3 days. Most recently, aRacerOBD was updated on October 10, 2026 and OBD2 Gauges on October 9, 2026.

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