Comparison

992noise vs Smartyplants

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

Head to head
About

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.

Highlights
  • Exhaust valve control
  • CarPlay integration
  • Siri integration
  • Shortcuts support
  • GPS-based quiet zones
  • Automatic valve switching
Features
Read full description

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.

About

Smartyplants

Effortlessly care for your indoor plants with real-time health monitoring, intelligent watering reminders, and personalized tips. Identify plants, track their growth, and ensure they thrive, whether you're a novice or an experienced gardener.

Highlights
  • Live plant health tracking
  • Smart watering reminders
  • Personalized care tips
  • Plant identification and library
  • Growth tracking and insights
Features
Read full description

Keep every plant in your home thriving with real-time health tracking, smart watering reminders, and tailored tips – all powered by our advanced plant sensor. Whether you’re a beginner or a green-thumb pro, SmartyPlants makes plant care effortless. Key Features: • Live Plant Health Tracking – Monitor moisture, light, and temperature in real time. • Smart Watering Reminders – Get alerts based on your plant’s actual needs, not a fixed schedule. • Personalised Care Tips – Advice tailored to each species for healthier, faster growth. • Plant Library – Identify and log your plants with rich care profiles. • Growth Tracking – See your plant’s progress over time with beautiful insights. Whether it’s your first houseplant or a whole indoor jungle, SmartyPlants ensures you’ll never guess when to water, move, or feed your plants again.

Screenshots

992noise4 screens
Smartyplants3 screens

Verdict

The call

The clearest difference is rating: 992noise at 5.0 against Smartyplants's 4.0. Smartyplants's advantage is iOS requirement (15.6 vs 18.0). On price, ratings volume, update cadence and ads 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

992noise holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

992noise ships an update every 10 days, Smartyplants every 3 weeks. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

Scorecard2 real differences · 7 level
992noise versus Smartyplants: the parameters behind the verdict, then further details
Parameter992noiseSmartyplants
PriceFreeFree
Rating5.0 (1 ratings) — better4.0 (1 ratings)
Number of ratings11
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS18.015.6 — better
Further details — not scored
Size11 MB67 MB
Age rating4+4+
DeveloperImpossiblePossible LimitedSmartyPlants Ltd

Customer experience

992noise

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Smartyplants

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

992noise

No in-app purchases

None

Smartyplants

No in-app purchases

Questions

Is 992noise free?
992noise is free to download, with no in-app purchases.
Is Smartyplants free?
Smartyplants is free to download, with no in-app purchases.
Which has better reviews, 992noise or Smartyplants?
992noise is rated higher. 992noise averages 5.0 out of 5 from 1 ratings, while Smartyplants averages 4.0 from 1 ratings.
Do 992noise or Smartyplants have ads?
Neither 992noise nor Smartyplants shows ads.
Which is updated more often, 992noise or Smartyplants?
992noise ships an update every 10 days, and Smartyplants every 3 weeks. Most recently, 992noise was updated on October 25, 2026 and Smartyplants on October 26, 2026.

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