Comparison

Dauntless OBD vs Plier

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

Head to head
About

Dauntless OBD

Configure your DauntlessOBD device wirelessly. Access vehicle data streams, diagnostic trouble codes, and manage firmware updates. Requires a DauntlessOBD device for full functionality.

Highlights
  • Wireless pairing
  • Firmware updates
  • Vehicle data streams
  • Diagnostic trouble codes
  • Device configuration
Read full description

Official configuration app for the DauntlessOBD device. This app will help you with wireless pairing, firmware updates, and common vehicle data streams and diagnostic trouble codes. A DauntlessOBD device from Dauntless Devices LLC is required to use this app. Other devices are not supported.

About

Plier

Transform your iPhone into an AI-powered car diagnostic tool. Connect to your vehicle via an OBD2 device to understand its health, diagnose issues, and estimate repair costs.

Highlights
  • AI-driven diagnostic reports
  • Real-time OBD2 data and graphs
  • Check engine light insights
  • Repair cost estimation
  • ELM327 Bluetooth compatibility
  • Troubleshoot engine codes
Read full description

Turn your iPhone into a clear, capable OBD2 car scanner with Plier.AI. Connect a compatible Bluetooth ELM327 adapter to read diagnostic trouble codes, view live sensor data and graphs, and understand check-engine warnings. The new Vehicle Health Center brings together a health snapshot, mileage-based maintenance planning, official NHTSA recall checks for saved vehicles, inspection-readiness guidance, and a report you can share with a mechanic. Ask the AI Mechanic vehicle-aware questions about symptoms and active codes. Plier suggests practical tests, explains possible causes, and helps you decide what to check before replacing parts. You can also review supported freeze-frame and oxygen-sensor test data. Available data varies by vehicle, adapter, protocol, and model year. AI guidance and health scores can be wrong and are not proof that a vehicle is safe. Confirm safety-critical findings with a qualified technician. Some features require Plier Pro. Terms of Use: https://plier.ai/tos

Screenshots

Dauntless OBD4 screens
Plier4 screens

Verdict

The call

The clearest difference is in-app purchases: Dauntless OBD at none against Plier's 2. Dauntless OBD also leads on rating (5.0 vs 4.6). Plier's advantage is update cadence (weekly vs every 3 weeks). 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. Plier sells 2 in-app purchases, starting at $6.99 per 7 days. Dauntless OBD asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Dauntless OBD holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 12 and 15 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Dauntless OBD ships an update every 3 weeks, Plier weekly. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Dauntless OBD versus Plier: the parameters behind the verdict, then further details
ParameterDauntless OBDPlier
PriceFreeFree
Rating5.0 (12 ratings) — better4.6 (15 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1215 — better
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size2 MB54 MB
Age rating4+4+
DeveloperDauntless Devices LLCHeap Labs LLC

Customer experience

Dauntless OBD

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Plier

All ratings15 ratings
Positive93.3%
Neutral6.7%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Dauntless OBD

No in-app purchases

2 purchases

Plier

Subscriptions2
  • Pro (Weekly)3 Days trial$6.997 Days
  • Pro ( 1 Year )$49.991 Year

Questions

Is Dauntless OBD free?
Dauntless OBD is free to download, with no in-app purchases.
Is Plier free?
Plier is free to download, with in-app purchases available.
Which has better reviews, Dauntless OBD or Plier?
Dauntless OBD is rated higher. Dauntless OBD averages 5.0 out of 5 from 12 ratings, while Plier averages 4.6 from 15 ratings.
Do Dauntless OBD or Plier have ads?
Neither Dauntless OBD nor Plier shows ads.
Which is updated more often, Dauntless OBD or Plier?
Dauntless OBD ships an update every 3 weeks, and Plier weekly. Most recently, Dauntless OBD was updated on October 24, 2026 and Plier on October 24, 2026.

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