Comparison

NoiSee vs Bitdefender Central

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

Head to head
About

NoiSee

This app functions as a professional-grade sound level meter for iOS devices. It offers advanced features for occupational health measurements, including noise dose and projected dose calculations. The app utilizes the device's internal microphone and provides accurate readings tested against professional standards.

Highlights
  • Professional-grade sound level meter
  • Occupational health compliant parameters
  • Noise DOSE and Elapsed time
  • Frequency and time weighting options
  • Spectrum analysis
  • Calibration features
Features
Read full description

Measuring sound is what we do. NoiSee — Worthy of the name "Sound Level Meter" NoiSee is an intuitive professional-grade sound level meter for iPhone and iPad. It features all the tools expected from a professional ANSI or IEC compliant Sound Level Meter. All filters, averaging modes and statistics meet or exceed class 2 requirements of the relevant ANSI and IEC standards. NoiSee is specifically designed for Occupational Health and live-sound measurements. It was created by a team with over 20 years of experience in calibration, owning a Sound Level Meter calibration laboratory meeting ISO 17025 requirements. The same calibration equipment was used to develop this app. IMPORTANT NOTE Supported devices with a calibrated and frequency-response-compensated internal microphone: iPhone 12 mini, 12, 12 Pro Max, 13, 15, 16 Plus, 16e, 17 Pro Max, iPhone Air; iPad (9th gen), iPad (10th gen). The app also includes parameters and UI optimised for live events and live audio monitoring, including running LAeq (5, 10, 15 and 20 min averaging intervals). The initial calibration is determined by testing in an anechoic chamber meant for calibration of professional Sound Level Meters. We do not recommend changing it on supported devices, as internal microphone sensitivity varies insignificantly between units of the same model. Requires iOS 17 or later. Dynamic range approximately 40–100 dB (re. 20 µPa); frequency range 40 Hz – 18 kHz. SOUND LEVEL METER History (profile) view of all relevant parameters. Statistics view of the current measurement (ISO 1996 percentiles), also visualised as a histogram. • Time weightings: Fast, Slow, Impulse, Equivalent • Parameters: LAeq, LCpeak, LAFmin, LASmax, SPL, and more • Spectrum view: time-history of frequency- and time-weighted level. CPB analysis per IEC 61260 and ANSI S1.11, from 1/1 down to 1/24 octave. NOISE AT WORK Occupational-health compliant (ISO 9612, OSHA, NIOSH): Noise DOSE, elapsed time, LEX 8h, Projected DOSE, Time to reach 100% DOSE. Threshold, reference level and exchange rate can be set to custom values. EXTERNAL MICROPHONES Tested with MicW i436, i437 and D236, and Dayton Audio iMM-6 and iMM-6C — calibrated measurement microphones complying with Class 2 (IEC 61672). With an acoustic calibrator, NoiSee can calibrate automatically. Connect via USB-C, or via the Apple USB-C / Lightning to 3.5 mm adapter. IN-APP PURCHASES Premium octave analysis: • Non-standard time weightings (1/16 s up to 16 s) • Spectrum in 1/3 octave or finer Logging: • One-second logging of spectrum and total parameters • Profile view beyond 2 minutes • CSV export Recording: • 24-bit WAV or AAC Reporting: • PDF report export

About

Bitdefender Central

Manage and control the cybersecurity of all your Bitdefender-protected devices, both locally and across your network. This app allows remote scanning, threat detection notifications, and comprehensive management of your smart home hub for enhanced online safety.

Highlights
  • Install protection on all devices
  • Remote device scanning and optimization
  • Real-time threat notifications
  • Smart home network security management
  • Parental controls and screen time management
  • Locate and lock lost/stolen devices
Features
Read full description

Bitdefender Central places your local and network cybersecurity at your fingertips. Use it to control security for all your Bitdefender-protected devices, and to set up and manage Bitdefender BOX, the revolutionary smart home hub that secures your entire Wi-Fi network. LOCAL PROTECTION With Bitdefender Central you can: - Install Bitdefender protection on all your devices - Manage security and protect your kids online - Scan, clean and optimize any device remotely - Get instant notification whenever Bitdefender detects a threat - Quickly access your activity dashboard - Receive security updates for your devices 24/7 NETWORK PROTECTION Bitdefender Central works with BOX to secure and manage your smart home: - Get ironclad protection for all your internet-connected devices, at home and on the go - Manage all devices in your home network from a single mobile app - Protect your kids online and manage screen time with parental controls - Set up your Bitdefender BOX - Discover your devices and group them under your Bitdefender BOX network - Check protection status and connectivity status for all your connected devices - Filter your devices by status or by user - Create profiles for your family members and allocate devices to them - Get real-time notifications for threats blocked by BOX: anomaly detection, unencrypted - - Banking information sent, botnet attacks - Change your Wi-Fi name and password - Pause the internet connection on your devices PARENTAL FEATURES - Filter out inappropriate content and manage your child's internet time - Choose from 3 preset and customizable filtering modes to effectively manage your child’s online activities - Unified reporting and management across all devices PRIVACY - Locate your lost or stolen devices - Send text or sound alerts to your devices - Lock your lost or stolen devices to prevent unauthorized access Privacy Policy: https://www.bitdefender.com/site/view/legal-privacy-policy-for-home-users-solutions.html

Screenshots

NoiSee4 screens
Bitdefender Central4 screens

Verdict

The call

The clearest difference is price: Bitdefender Central at Free against NoiSee's $0.99. Bitdefender Central also leads on in-app purchases (none vs 4) and update cadence (every 3 weeks vs every 5 months). On review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Bitdefender Central is free to download; NoiSee costs $0.99 up front. NoiSee sells 4 one-off in-app purchases. Bitdefender Central asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Bitdefender Central holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Bitdefender Central has 11K ratings behind it against 243, so its average is the more settled of the two. Written reviews complicate that: 65% of NoiSee's written reviews are positive against 59% of Bitdefender Central's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

NoiSee ships an update every 5 months, Bitdefender Central every 3 weeks. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

Scorecard7 real differences · 3 level
NoiSee versus Bitdefender Central: the parameters behind the verdict, then further details
ParameterNoiSeeBitdefender Central
Price$0.99Free — better
Rating4.5 (243 ratings)4.8 (11K ratings) — better
Positive reviews64.7% of reviews — better59.0% of reviews
Number of ratings24311K — better
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.012.0 — better
Further details — not scored
Size8 MB191 MB
Age rating4+4+
DeveloperEA LABBitdefender SRL

Customer experience

NoiSee

All ratings243 ratings
Positive85.6%
Neutral5.8%
Negative8.6%
Written reviews17 reviews
Positive64.7%
Neutral17.6%
Negative17.6%

Bitdefender Central

All ratings10,915 ratings
Positive96.8%
Neutral2.2%
Negative1.0%
Written reviews542 reviews
Positive59.0%
Neutral9.6%
Negative31.4%

Bugs and requests

NoiSee

Not enough reviews yet to summarise bugs or requests.

Bitdefender Central

Reported bugs

5 issues
  • Frequent app crashes on iOS 11+
  • Web protection randomly disabling itself
  • Inability to delete email addresses from account
  • Inconsistent behavior across different devices
  • Lack of support for older devices

Requested features

5 requests
  • Improve mobile app responsiveness
  • Add more customization options
  • Enhance parental control features
  • Provide better visibility into device protection status
  • Improve compatibility with other VPN services

In-app purchases

4 purchases

NoiSee

One-time4
  • Logging$1.99
  • Audio recording$1.99
  • Reporting$1.99
Show 1 more
  • Premium octave analysis$2.99
None

Bitdefender Central

No in-app purchases

Questions

Is NoiSee free?
NoiSee costs $0.99, and also offers in-app purchases.
Is Bitdefender Central free?
Bitdefender Central is free to download, with no in-app purchases.
Which has better reviews, NoiSee or Bitdefender Central?
Bitdefender Central is rated higher. NoiSee averages 4.5 out of 5 from 243 ratings, while Bitdefender Central averages 4.8 from 11K ratings.
Do NoiSee or Bitdefender Central have ads?
Neither NoiSee nor Bitdefender Central shows ads.
Which is updated more often, NoiSee or Bitdefender Central?
NoiSee ships an update every 5 months, and Bitdefender Central every 3 weeks. Most recently, NoiSee was updated on November 1, 2026 and Bitdefender Central on November 6, 2026.

Other comparisons