FVAG vs STerminal 3
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FVAG
This diagnostic scanner app provides comprehensive vehicle checks for VW, Audi, Skoda, and Seat models. It's a compact and user-friendly tool that allows operation and diagnosis directly from a mobile phone. The app offers numerous special functions for in-depth vehicle maintenance and troubleshooting.
- Comprehensive vehicle scanning
- Special functions (Throttle Adaptation, Immobilizer, etc.)
- Mobile phone operation
- Compact and easy to use
- Free for life
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FVAG is one of the most comprehensive and cost-effective scanners for VW, Audi, Skoda, and Seat. The scanner is extremely small and easy to use. Customer can operate and diagnose on his mobile phone, and the APP is totally free for life. More importantly, FVAG provides tons of special functions including Throttle Adaptation, Immobilizer, Actuation Test, Transmission Test, Service Reset and many more.
STerminal 3
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Sierzega is an electronics company specializing in traffic technology. This application is used to control Sierzega speed displays and traffic counting devices. The app works only in combination with a Sierzega product (www.sierzega.com) and the corresponding PIN code. The application is designed to be self-explanatory. After establishing a Bluetooth connection, a Sierzega product can be configured in just a few simple steps, or traffic data can be downloaded.
Screenshots
Verdict
FVAG and STerminal 3 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
FVAG ships an update every 5 weeks, STerminal 3 every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | FVAG | STerminal 3 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 12.2 |
| Further details — not scored | ||
| Size | 18 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳市爱夫卡科技有限公司 | Sierzega Elektronik GmbH |
In-app purchases
FVAG
No in-app purchases
STerminal 3
No in-app purchases
