Comparison

VINwiki vs Fi Exhaust

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

VINwiki4 screens
Fi Exhaust4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

VINwiki ships an update monthly, Fi Exhaust every 2 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
VINwiki versus Fi Exhaust: the parameters behind the verdict, then further details
ParameterVINwikiFi Exhaust
PriceFreeFree
Rating4.8 (4.1K ratings) — better2.5 (2 ratings)
Positive reviews62.5% of reviews — better0.0% of reviews
Number of ratings4.1K — better2
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPod — better
Requires iOS16.08.0 — better
Further details — not scored
Size12 MB21 MB
Age rating9+4+
DeveloperVINwiki, Inc.Frequency Intelligent Exhaust Co. LTD

Customer experience

VINwiki

All ratings4,142 ratings
Positive94.7%
Neutral2.1%
Negative3.2%
Written reviews112 reviews
Positive62.5%
Neutral10.7%
Negative26.8%

Fi Exhaust

All ratings2 ratings
Positive0.0%
Neutral50.0%
Negative50.0%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

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

None

VINwiki

No in-app purchases

None

Fi Exhaust

No in-app purchases

Questions

Is VINwiki free?
VINwiki is free to download, with no in-app purchases.
Is Fi Exhaust free?
Fi Exhaust is free to download, with no in-app purchases.
Which has better reviews, VINwiki or Fi Exhaust?
VINwiki is rated higher. VINwiki averages 4.8 out of 5 from 4.1K ratings, while Fi Exhaust averages 2.5 from 2 ratings.
Do VINwiki or Fi Exhaust have ads?
Neither VINwiki nor Fi Exhaust shows ads.
Which is updated more often, VINwiki or Fi Exhaust?
VINwiki ships an update monthly, and Fi Exhaust every 2 months. Most recently, VINwiki was updated on November 6, 2026 and Fi Exhaust on November 2, 2026.

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