FOBD vs ZDOBD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FOBD
This app functions as a diagnostic scan tool, trip computer, logger, and real-time performance monitor for vehicles. It offers features like OBD-II diagnostics, HUD display, DTC code lookup, and oil reset. Supports English, Spanish, and Russian languages.
- OBD-II Diagnostics
- Trip Computer
- Data Logger
- Real-time Performance Monitor
- DTC Code Lookup
- Oil Reset
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The FOBD is a diagnostic scan tool, trip computer, logger, and real-time performance monitor. Feature:OBD-II Diagnotic / HUD / DTC seek / Oil Reset Support Language: English / Spanish /Russian
ZDOBD
This diagnostic tool connects to portable diesel vehicle devices via Bluetooth to perform comprehensive vehicle checks. It allows users to view ECU information, diagnose and clear faults, monitor real-time data, and conduct specific tests like DPF regeneration.
- Bluetooth connectivity
- ECU version information
- Vehicle fault diagnosis and clearing
- Real-time data flow monitoring
- DPF regeneration
- SCR testing
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EPS001, a portable diesel vehicle diagnosis device, needs to be used with a cell phone, already supports IOS system,using bluetooth transmission mode. EPS001 can simultaneously perform communication testing on vehicles equipped with Cummins engine series, as well as vehicles in the United States and Europe, etc. It can view ECU version information, query vehicle maintenance faults, clear vehicle malfunctions, read real-time vehicle operation data flow, DPF regeneration, SCR test and other functions.
Screenshots
Verdict
The clearest difference is rating: FOBD at 5.0 against ZDOBD's 2.0. FOBD also leads on review sentiment (25% vs 0%) and monetization model (free vs free with in-app purchases). ZDOBD's advantage is update cadence (monthly vs every 3 months) and ratings volume (4 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
FOBD holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 25% of FOBD's written reviews are positive against 0% of ZDOBD's.
FOBD ships an update every 3 months, ZDOBD monthly. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.
| Parameter | FOBD | ZDOBD |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 2.0 (4 ratings) |
| Positive reviews | 25.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 48 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳市爱夫卡科技有限公司 | 深圳市正德友邦科技有限公司 |
Customer experience
FOBD
ZDOBD
In-app purchases
FOBD
No in-app purchases
ZDOBD
No in-app purchases
