SmartLink Control vs Decibel Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartLink Control
This application provides mobile visualization for operating and displaying functions within a networked building automation environment. It connects to various common building systems and offers comfort functions like scene storage and presence simulation. It also supports media technology control via LAN, IR, or RS232.
- Control building automation systems
- Visualize system functions
- Connects to KNX, LON, Crestron, and more
- Scene storage and presence simulation
- Media technology control (LAN, IR, RS232)
- Sonos basic function control via UPnP
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Diese Applikation dient zur Steuerung des Coldewey Servers IB101, welcher für den Einsatz dieser Applikation unbedingt erforderlich ist. Primäres Einsatzgebiet ist die Gebäudeautomation. Der Server IB101 vernetzt verschiedene, in der Gebäudeautomation übliche Bussysteme. SmartLink Control ist eine mobile Visualisierung zur Bedienung und Anzeige verschiedener Funktionen in dieser vernetzten Umgebung. Vernetzt werden können die in der Gebäudetechnik üblichen Systeme: - KNX - LON - Crestron - Honeywell Einbruchmeldeanlagen - Telenot Einbruchmeldeanlagen - Beckhoff SPS (ADS) - Solar Log - Eltako - Philips Hue - Modbus TCP Komfortfunktionen wie Szenenspeicherung, Anwesenheitssimulation und Schaltuhr sind vorhanden. Ein weiterer Schwerpunkt ist die Steuerung von Medientechnik, welche z.B. im Heimkino oder in Konferenzräumen zu finden ist. Entsprechende Geräte können über LAN, IR oder RS232 gesteuert werden. Per UPnP lassen sich Sonos Grundfunktionen bedienen.
Decibel Meter
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Decibel Meter – Noise dB Level turns your iPhone into a powerful noise level meter. Instantly measure ambient sound in real time and see clear dB values as your environment changes. The app starts measuring automatically, so you can monitor noise levels without extra steps. Choose from different gauge styles to match your preference and view live signal histograms that show how sound fluctuates over time. Record noise measurements with a single tap and save them directly to your device. All recordings are stored in the Records section, where you can replay, manage, or download them again whenever you need. With the Camera feature, capture photos or videos while displaying the current decibel value as an overlay on the screen. This is ideal for documenting noise conditions at work, outdoors, or in daily life. Customize the experience by changing background and gauge colors in Settings. For more flexible use, the app also supports Bluetooth audio devices. Key features Real-time decibel (dB) measurement Automatic noise detection Multiple gauge display styles Live signal histogram Audio recording and playback Camera photo & video with dB overlay Bluetooth device support Customizable colors and interface Important note This app is designed for informational and personal use. Measurements may vary depending on device hardware and environmental conditions. It is not a replacement for professional calibrated sound level meters. All features and tools are available via in-app purchases with auto-renewable subscriptions. Auto-Renewable Subscription Terms: • The payment will be charged to your Apple ID Account at confirmation of purchase. • The subscription renews automatically unless the auto-renew is turned off at least 24 hours before the end of the current billing period. • Your account will be charged for renewal within 24 hours before the end of your selected subscription. • Your subscriptions can be managed, and auto-renewal can be turned off by going to your App Store Account Settings. Terms: https://eatkdevtermsofuse.carrd.co This application includes fee-based content: • Decibel Meter Weekly ( with 3 days trial ) Then $4.99 • Decibel Meter Annual $19.99 • Decibel Meter Lifetime $34.99
Screenshots
Verdict
The clearest difference is in-app purchases: SmartLink Control at none against Decibel Meter's 3. SmartLink Control also leads on iOS requirement (9.0 vs 26.0). Decibel Meter's advantage is update cadence (weekly vs every 3 months). On price, ads 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. Decibel Meter sells 3 in-app purchases, starting at $4.99 per 7 days. SmartLink Control asks for nothing beyond the download.
SmartLink Control ships an update every 3 months, Decibel Meter weekly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.
| Parameter | SmartLink Control | Decibel Meter |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 19 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Holger Boelts | Emre Atik |
In-app purchases
SmartLink Control
No in-app purchases
Decibel Meter
- 3 Days Free Trial Weekly PRO3 Days trial$4.997 Days
- Decibel Meter Annual PRO$21.901 Year
- Lifetime Access$34.99
Questions
Is SmartLink Control free?
Is Decibel Meter free?
Do SmartLink Control or Decibel Meter have ads?
Which is updated more often, SmartLink Control or Decibel Meter?
Other comparisons
