SDPROG vs NexzDAS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDPROG
This advanced diagnostic tool allows for comprehensive vehicle system analysis, including emission filters and real-time parameter monitoring. It supports cars, motorcycles, ATVs, hybrids, and electric vehicles, offering detailed insights into engine and onboard modules.
- Comprehensive OBD2 and service diagnostics
- Advanced emission filter analysis (DPF, FAP, GPF, PEF)
- Real-time vehicle parameter monitoring
- DTC reading and clearing
- Support for cars, motorcycles, ATVs, hybrids, and EVs
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SDPROG is an advanced diagnostic tool that enables the diagnosis of cars, motorcycles, ATV (Quads), hybrid, and electric vehicles. The application supports both OBD2/OBDII and service modes, providing comprehensive control over vehicle systems, including advanced monitoring features for emission systems such as DPF, FAP, GPF, and PEF. Support for Emission Filters: DPF, FAP, GPF, PEF The application offers complete diagnostics and monitoring of various types of particulate filters, including: - DPF (Diesel Particulate Filter) – for diesel-powered vehicles. - FAP (Filtre à Particules) – advanced particulate filters for diesels. - GPF (Gasoline Particulate Filter) – particulate filters for gasoline engines. - PEF (Particle Emission Filter) – filters used in modern emission control systems. Features related to emission filters: - Monitoring emission filter parameters: - Soot and ash levels in filters. - Temperatures before and after the filter. - Differential pressure (DPF/PEF Pressure). - Number of completed and failed regenerations. - Time and mileage since the last regeneration. - Support for regeneration processes: - Detailed data on regeneration efficiency. - Information about PEF status in electric and hybrid vehicles. - Emission system diagnostics through DTC (Diagnostic Trouble Codes) reading: - Analysis of errors related to filter regeneration and operation. - Capability to clear error codes. Motorcycle Support in OBDII and Service Modes: The SDPROG application also supports motorcycles, enabling diagnostics in both OBDII and service modes: - Reading and clearing DTCs: - Diagnosing engines, emission systems, ABS, and other modules. - Real-time parameter monitoring, such as: - Coolant temperature, - Throttle position, - Vehicle speed, - Fuel pressure and battery status. ATV (Quads) Support in OBDII and Service Modes: The SDPROG application also supports motorcycles, enabling diagnostics in both OBDII and service modes: - Reading and clearing DTCs: - Diagnosing engines, emission systems, ABS, and other modules. - Real-time parameter monitoring, such as: - Coolant temperature, - Throttle position, - Vehicle speed, - Fuel pressure and battery status. - Advanced service control for emission systems and energy management.dvanced service control for emission systems and energy management. Key Features of SDPROG: 1. Comprehensive diagnostics for OBD2 and service systems: - Supports cars, motorcycles, hybrids, and electric vehicles. - Reads parameters of engines, emission systems, and onboard modules. 2. Advanced analysis of emission systems: - Full control over DPF, FAP, GPF, and PEF. - Real-time diagnostics and error analysis. 3. Vehicle operation monitoring: - Temperatures, pressures, battery voltage, and other key parameters. Why Choose SDPROG: - Supports all vehicle types and emission systems, including PEF in electric vehicles. - Utilizes OBDII standards, ensuring versatile diagnostics. - Intuitive interface ensures ease of use. Check details of compatible car and motorcycle models here: https://help.sdprog.com/en/compatibilities-2/ The SDPROG license can be purchased from authorized sellers: https://sdprog.com/shop/
NexzDAS
This app provides comprehensive vehicle diagnostics, including full-system scanning and specialized functions like service resets and brake adjustments. It offers detailed diagnostic reports and an extensive online database for trouble code inquiries, all accessible via a portable Bluetooth device.
- Full-system vehicle diagnosis
- OBD2 code reading and clearing
- Specialized reset and calibration functions
- Online trouble code inquiry
- Bluetooth 4.2 connectivity
- Professional diagnostic reports
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### Highlights & Advantages - Cost-effective and portable configuration combining VCI and App - Bluetooth 4.2 connection with dual-mode compatibility - Wide coverage of vehicle brands across Asia, Europe, Americas, with free download available - Full-system diagnosis for quick scanning of all vehicle electronic control systems - Professional diagnostic reports providing detailed interpretations of trouble codes - Customizable special functions, such as service reset, tire pressure monitoring, electronic parking brake, etc. - Robust database supporting online trouble code inquiry - Intelligent operation: one-click feedback/upgrade/screenshot within the App ### Function Display 1. **Full-system Diagnosis** Vehicle selection → Model selection → Year selection → Automatic scan → Full-system scan → Diagnostic report 2. **OBD2 Diagnosis** Code reading, code clearing, live data, freeze frame, smoke test, oxygen sensor test, mode 6, MIL status, vehicle information, battery test 3. **Special Functions** Service reset, tire pressure reset, electronic parking brake adjustment, battery reset, injector coding, ABS bleeding, steering angle calibration, throttle body adaptation, DPF regeneration 4. **Auxiliary Functions** - One-click trouble code inquiry: Search code definitions and descriptions online via the robust database - One-click data management: Check stored information (including images and videos) anytime, anywhere - One-click vehicle inquiry: Look up vehicle information online by manually entering VIN or scanning directly - One-click feedback: Contact us promptly to report issues via the top-right button - One-click update: Quick in-App updates without the need for a computer
Screenshots
Verdict
The clearest difference is rating: SDPROG at 5.0 against NexzDAS's 2.1. SDPROG also leads on review sentiment (25% vs 11%). NexzDAS's advantage is ratings volume (13 vs 3). On price, update cadence, ads and in-app purchases 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.
SDPROG holds the better App Store score, 5.0 against 2.1. Both are backed by a comparable volume of ratings — 3 and 13 respectively. Written reviews point the same way: 25% of SDPROG's written reviews are positive against 11% of NexzDAS's.
SDPROG ships an update every 9 days, NexzDAS every 10 days. Both last shipped on October 24, 2026.
| Parameter | SDPROG | NexzDAS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 2.1 (13 ratings) |
| Positive reviews | 25.0% of reviews — better | 11.1% of reviews |
| Number of ratings | 3 | 13 — better |
| Update frequency | Every 9 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 85 MB | 797 MB |
| Age rating | 4+ | 4+ |
| Developer | NexDiag Sp z o. o. | 美泉 黄 |
Customer experience
SDPROG
NexzDAS
In-app purchases
SDPROG
No in-app purchases
NexzDAS
No in-app purchases









