Flow Smart v2 vs 992noise
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flow Smart v2
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Max Racing Exhaust Flow-Smart Version 2 exhaust valve control application. Max Racing Exhaust App is the best way to engage and experience life in motion. Empower yourself with real-time instrument updates & control your car exhaust sound on your smartphone. Easy to use with connectivity to Max Racing Exhaust valve system. *This application only supports Max Racing Exhaust 3 modes exhaust valve controller with OBDII module plugged in the car. Features: • Race Mode. • Eco Mode. • Auto Mode. • Speed meter real-time data. • Rpm real-time data. • Water oil temperature data. • Intake temperature data.
992noise
Control your Porsche 911 (992) exhaust valves through your phone, CarPlay, or Siri. Set up quiet zones using GPS to automatically manage valve settings as you drive.
- Exhaust valve control
- CarPlay integration
- Siri integration
- Shortcuts support
- GPS-based quiet zones
- Automatic valve switching
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Take full control of your Porsche 992 exhaust valves - from your iPhone, Apple CarPlay, Apple Watch, Siri or Shortcuts. The 992noise app pairs with the 992noise exhaust valve controller to give you complete command of your exhaust sound. Open the valves for the full soundtrack, close them for quiet running, or let Adaptive Mode follow your car's own programming with faster opening and smoother response. KEY FEATURES — Apple CarPlay integration: control your valves directly from your car's display with customisable home screens, live valve position graphs and one-tap widgets — GPS Quiet Zones: set locations where the valves close automatically as you arrive - perfect for early mornings and residential streets — Apple Watch app: open and close valves from your wrist — Live data with OBD: view RPM, speed, fuel, coolant and oil temperature alongside your valve controls — Adaptive Mode: follows your car's factory valve programming for a more natural, responsive sound — Wireless firmware updates: your controller keeps improving after installation - new features and improvements delivered automatically REQUIREMENTS This app requires the 992noise exhaust valve controller, available at 992noise.com. Compatible with all Porsche 992.1 turbocharged models including Carrera, Carrera S, 4S, GTS, Turbo, Targa and Dakar. Works with both standard and PSE (Porsche Sport Exhaust) systems. 992.2 support in development. Developed in the UK by a 992 owner. Track tested. Continuously improved through real owner feedback.
Screenshots
Verdict
The clearest difference is update cadence: 992noise at every 10 days against Flow Smart v2's monthly. Flow Smart v2's advantage is iOS requirement (11.0 vs 18.0). 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.
Flow Smart v2 ships an update monthly, 992noise every 10 days. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.
| Parameter | Flow Smart v2 | 992noise |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 11.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 40 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Kwang Teck Lim | ImpossiblePossible Limited |
In-app purchases
Flow Smart v2
No in-app purchases
992noise
No in-app purchases
Questions
Is Flow Smart v2 free?
Is 992noise free?
Do Flow Smart v2 or 992noise have ads?
Which is updated more often, Flow Smart v2 or 992noise?
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