VINwiki vs Fi Exhaust
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VINwiki
Document your vehicle's complete history, including maintenance, upgrades, and mileage. Share your car's story with photos and service records to build its value. Follow friends' cars and see their automotive journeys.
- Create vehicle history reports
- Contribute to vehicle histories
- Curate vehicle history reports
- Add photos and mileage updates
- Document service records
- Track car maintenance and upgrades
- Follow friends' car journeys
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VINwiki is here to change automotive history. It is a platform that invites users to create, contribute to, and curate vehicle history reports. Tell your car's story with photos, mileage updates, service records, and everything that makes it your own. Build value in your car by documenting all of the maintenance, upgrades, and modifications that you perform. Follow your friends and the cars you love so that you can see what happens to them. VINwiki is a great tool to keep track of what your friends do to their cars and where they end up down the road. Come with us on this journey to offer a new perspective on the cars that we love.
Fi Exhaust
Control your premium automobile's exhaust system with this app. Adjust valve settings, experience different exhaust sounds, and monitor your car's status. Requires a specific OBD2 controller module.
- Wireless valve control (Open/Close)
- Adjust exhaust sound and velocity
- Valvetronic exhaust system function control
- Intelligent switch button control (RPM, Speed, Turbo)
- Monitor car status
- Access Fi Exhaust information
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Frequency Intelligent Exhaust Remote Controller Fi Exhaust App is the key to experience the passion of engineering. To begin a whole different lifestyle and outstanding attitude with Fi Exhaust system. Control everything by one touch and enjoy everything it comes with. Frequency Intelligent Exhaust systems perfectly combine many years of expertise and modern technology to create the world's most advanced exhaust system for Premium Automobiles. Each Fi Exhaust system are truly one-of-a-kind. From a deep bass tone to an exotic high-pitched Formula 1 sound. Every exhaust system is carefully sound tuned and rigorously tested to a specific frequency with our intelligent controller to produce maximum optimized performance. Fi Exhaust, the world's leading designer and fabricator of the best, high performance engine component systems, Supercar applications. Control the world famous Fi Exhaust system in your hands. With this official application, you can control valve by yourself, hear the dream sound, see the status of your car, and know more Fi Exhaust information by downloading the APP in your iPhone or smart tablet . Features: - This App can wireless control Fi valvetronic exhaust system to control the valve to OPEN/ CLOSE and obtain the best exhaust sound and exhaust velocity. - Use App to control valvetronic exhaust system function. (On/off/auto) - Setting intelligent switch button control by RPM of engine mode, speed mode, or Turbo boost mode. (Auto mode). Warning: Only can be worked with Frequency Intelligent Exhaust OBD2 Controller Module. More information & content: www.fi-exhaust.com Any question, problem, or feedback? Please email to: info@fi-exhaust.com
Screenshots
Verdict
The clearest difference is review sentiment: VINwiki at 63% against Fi Exhaust's 0%. VINwiki also leads on rating (4.8 vs 2.5) and ratings volume (4.1K vs 2). Fi Exhaust's advantage is iOS requirement (8.0 vs 16.0). 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.
VINwiki holds the better App Store score, 4.8 against 2.5. That said, the two scores are not equally well evidenced: VINwiki has 4.1K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 63% of VINwiki's written reviews are positive against 0% of Fi Exhaust's.
VINwiki ships an update monthly, Fi Exhaust every 2 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.
| Parameter | VINwiki | Fi Exhaust |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4.1K ratings) — better | 2.5 (2 ratings) |
| Positive reviews | 62.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 4.1K — better | 2 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 21 MB |
| Age rating | 9+ | 4+ |
| Developer | VINwiki, Inc. | Frequency Intelligent Exhaust Co. LTD |
Customer experience
VINwiki
Fi Exhaust
Bugs and requests
VINwiki
Reported bugs
4 issues- Login and registration issues
- Posts and data disappearing
- Inability to view personal posts and history
- Compatibility problems with newer iOS versions
Requested features
5 requests- Add ability to edit and delete posts
- Implement push notifications
- Improve search and filtering functionality
- Add support for international users and vehicles
- Optimize for iPad and larger screens
Fi Exhaust
Not enough reviews yet to summarise bugs or requests.
In-app purchases
VINwiki
No in-app purchases
Fi Exhaust
No in-app purchases









