Dauntless OBD vs PZ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Wireless pairing
- Firmware updates
- Vehicle data streams
- Diagnostic trouble codes
- Device configuration
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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.
PZ
This application provides advanced audio tuning for car amplifiers, featuring plug-and-play installation and powerful DSP processing. It allows for precise adjustments to sound fields, equalization, and dynamic music processing via a smartphone interface.
- Plug & play installation
- Quad-core 32-bit DSP processing
- Lossless audio playback
- 15-band EQ tuning
- Adjustable sound field delay
- Built-in Bluetooth for music streaming
- Smartphone control
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This product is non-destructive audio car DSP Amplifier it support plug & play installation Buit in quad-care 32-bit DSP processing Chip,nanosecond processing speed;DRC dynamic music processing;using DSP computer tuning technology.Lossless installation,easy tuning,take up a small space. 15-band EQ floating-piont high-precision tuning system. high and low pass filter Adjustable sound field delay to achieve spatial editing. Gain control,phase control Harmonic function. Limiting function. Built-in Bluetooth,support mobile phone to play lossless music. 6 storage modes. You can use Time-Delay by smart phone.
Screenshots
Verdict
The clearest difference is update cadence: Dauntless OBD at every 3 weeks against PZ's every 12 months. Dauntless OBD also leads on ratings volume (12 vs 1). PZ's advantage is iOS requirement (9.0 vs 15.0). On price, rating, review sentiment 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Dauntless OBD against 5.0 for PZ. That said, the two scores are not equally well evidenced: Dauntless OBD has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Dauntless OBD ships an update every 3 weeks, PZ every 12 months. Both last shipped on October 24, 2026.
| Parameter | Dauntless OBD | PZ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (12 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 12 — better | 1 |
| Update frequency | Every 3 weeks — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Dauntless Devices LLC | huizhou shangshui technology co.,ltd |
Customer experience
Dauntless OBD
PZ
In-app purchases
Dauntless OBD
No in-app purchases
PZ
No in-app purchases
