DFirstCoder vs Fcar Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DFirstCoder
This app provides comprehensive vehicle diagnostics and customization for car owners. It offers one-click app features for easy operation, Bluetooth connectivity, and the ability to read/clear trouble codes, perform smog checks, and view live data. It supports a wide range of vehicle models.
- One-click apps for easy operation
- Comprehensive diagnostic features
- Bluetooth wireless connectivity
- Read and clear trouble codes
- Smog check functionality
- Live data display
- Supports VAG, BMW, Mercedes-Benz models
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DFirstCoder is an equipped with one-click apps feature professional OBDII Scanner App, designed for vehicle users who want to go beyond straightforward diagnostics. It includes comprehensive diagnostic features and customize numerous features of your vehicles with one-click, friendly to use even for beginners. Features: 1.2 in 1 OBDII coder. In addition to comprehensive diagnostic, one-click apps eliminate the need for tedious operation steps, making them easy to understand and operate, even for beginners. 2.Hot update. Updating the features or fixing bugs immediately without needing to update the app, it can respond to users needs and resolve functionality issue quickly. 3.Bluetooth connectivity, DFirstCoder's device supports wireless connection to your phone or tablet , and communicate with your vehicles rapidly. 4.Read & Clear codes, read the trouble codes of your vehicle and clear it. 5.Smog check. 6.MIL status. 7.Live data. 8.Freeze frame. 9.Mode 6 10.Covering a wide range of models, VAG Group, BMW Group, Mercedes-Benz, etc. are available. About DFirstCoder Information ———————————————————————————————————————————————————————————————————————————————————— DFirstCoder is an app to adapt DFirst device, owner of Shenzhen QIXIN Technology Co., LTD. It’s equipped with one-click apps and comprehensive diagnostic features. The app is free to download for user, and some of functions are free to use (e.g. clear temporary trouble codes,date-time synchronization and host reboot etc.). For more details, welcome to follow us, Website:www.dfirstcoder.com Facebook:https://www.facebook.com/qixinglobal Email: support@dfirstcoder.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Fcar Master
This app allows users to perform one-click vehicle inspections and diagnostics. Connect to detection devices via Wi-Fi or Bluetooth to read real-time data, clear fault codes, and access special maintenance functions.
- One-click login
- Wi-Fi/Bluetooth device connection
- Real-time OBD data streams
- Read and clear fault codes
- Vehicle maintenance special functions
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Welcome to download the Fcar Master APP. Here you can experience one click login, connect detection devices using Wi Fi or Bluetooth, read real-time vehicle OBD data streams and fault codes, clear fault codes, and operate the top ten special functions of vehicle maintenance. Fcar Master - a small car diagnostic platform that focuses on one click inspection of small cars. Come and give your vehicle a physical examination!
Screenshots
Verdict
The clearest difference is review sentiment: DFirstCoder at 67% against Fcar Master's 25%. DFirstCoder also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.6). Fcar Master's advantage is in-app purchases (none vs 8) and rating (5.0 vs 4.8). On price, ratings volume, 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
Both are free to download. DFirstCoder sells 8 in-app purchases, starting at $108.99 per year. Fcar Master asks for nothing beyond the download.
Fcar Master holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews complicate that: 67% of DFirstCoder's written reviews are positive against 25% of Fcar Master's, so the app with the better star average is not the one people write more warmly about.
DFirstCoder ships an update every 3 weeks, Fcar Master every 2 months. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.
| Parameter | DFirstCoder | Fcar Master |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 66.7% of reviews — better | 25.0% of reviews |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 95 MB | 659 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen QiXin Technology Co., Ltd. | 深圳市爱夫卡科技有限公司 |
Customer experience
DFirstCoder
Fcar Master
In-app purchases
DFirstCoder
- Pro Plan Subscription$108.991 Year
- Pro Plan Subscription (Family)$158.991 Year
- 350 QD$4.99
- 700 QD$9.95
- 1400 QD$19.49
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- 3500 QD$49.99
- 7000 QD$96.99
- 10500 QD$145.99
Fcar Master
No in-app purchases









