Decibel Meter vs Stardate Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel Meter
Transform your device into a professional sound level meter to measure ambient noise in real-time. Analyze sound frequencies, monitor noise exposure, and export detailed reports to understand your acoustic environment.
- Real-time decibel measurement
- A, C, and Z frequency weighting
- FAST, SLOW, and IMPULSE response modes
- Spectrum Analyzer with FFT and spectrogram
- Noise Dosimeter for daily exposure estimates
- Long-term tracking and history logs
- Exportable PDF reports
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Turn your iPhone into a professional sound level meter, noise meter, and decibel meter for accurate, real-time audio measurement. Decibel Meter measures ambient noise with pre-calibrated dB readings, so you always know exactly how loud your surroundings are — at home, at work, at concerts, or on the go. Protect your hearing, monitor noisy environments, and finally understand the sound around you. Whether you are checking workplace noise, improving room acoustics, monitoring environmental noise pollution, or tuning audio systems, this app provides fast, reliable sound level measurements in dBA, dBC, and dBZ. WHAT MAKES IT GREAT - Trusted accuracy: pre-calibrated for iPhone and iPad, with built-in microphone calibration tools for improved precision - Real-time measurement: decibel (dB) readings update continuously, with A, C, and Z frequency weighting (dBA, dBC, dBZ) - Response modes: FAST, SLOW, and IMPULSE with real-time average (Leq) and peak detection - Spectrum Analyzer: real-time FFT, spectrogram, and octave-band visualization for audio analysis and acoustic tuning - Noise Dosimeter: daily noise exposure estimates based on NIOSH & OSHA standards - Long-term tracking: save measurement history with timestamps and review historical logs - Export & share: export detailed PDF reports and share results instantly - Accurate frequency detection for sound analysis, audio diagnostics, and equipment tuning - Beautiful, intuitive UI with digital and analog displays TECHNICAL SPECS - Measurement range: 30–130 dBA - Response time: SLOW (500 ms), FAST (200 ms), IMPULSE (50 ms) - MIC gain offset: -50 dB to +50 dB - Real-time current, average (Leq), and max values with digital & analog displays USE CASES Noise measurement, environmental noise monitoring, home cinema calibration, room acoustics, workplace safety, and audio testing. PRIVACY All audio processing is performed locally on your device. No recordings or sound data are uploaded or shared. NOTES - An average quiet room reads about 30 dBA; the 30–130 dBA range is the standard usable range. - For professional use, custom calibration with a reference device is recommended. - This app is for reference and educational purposes only. It is not a replacement for certified professional acoustic measurement equipment. Accuracy may vary depending on device hardware and microphone quality. SUBSCRIPTION TERMS Decibel Meter is free to download with core features included. A premium subscription unlocks advanced spectrum analysis, unlimited exports, and professional reporting tools. Payment will be charged to your Apple ID account upon confirmation. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your Apple ID settings at any time. No refunds for unused subscription periods. LEGAL Terms of Use: https://seeyastech.com/terms Privacy Policy: https://seeyastech.com/privacy Support: info@seeyastech.com
Stardate Clock
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Stardate Clock brings a futuristic twist to timekeeping on Apple Watch. Display a continuously updating fictional stardate directly on your watch and add it to supported watch face complications for quick access throughout the day. Choose from multiple stardate calculation styles inspired by different eras of science-fiction storytelling and customise the experience to match your preference. Features • Live stardate display on Apple Watch • Watch face complications and widgets • Multiple stardate eras and calculation styles • Clean, space-inspired design • Lightweight and battery-friendly • Works independently on Apple Watch Whether you're a lifelong science-fiction fan or simply enjoy futuristic technology, Stardate Clock adds a unique and imaginative way to experience the passage of time. Disclaimer: Stardate Clock is an independent fan-created utility. It is not affiliated with, endorsed by, sponsored by, or associated with Paramount Global, CBS Studios, or the Star Trek franchise.
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Verdict
The clearest difference is in-app purchases: Stardate Clock at none against Decibel Meter's 4. Stardate Clock also leads on iOS requirement (13.0 vs 15.0). 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 4 in-app purchases, starting at $2.99 per 7 days. Stardate Clock asks for nothing beyond the download.
| Parameter | Decibel Meter | Stardate Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (9 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, iPod, Apple Watch — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 68 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | SEEYAS LIMITED | Christopher Dawes |
In-app purchases
Decibel Meter
- Weekly Premium Discount3 Days trial$2.997 Days
- Weekly Premium3 Days trial$9.997 Days
- Monthly Premium3 Days trial$9.991 Month
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- Annual Premium7 Days trial$49.991 Year
Stardate Clock
No in-app purchases
Questions
Is Decibel Meter free?
Is Stardate Clock free?
Do Decibel Meter or Stardate Clock have ads?
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