Sound Meter vs Cuspart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sound Meter
Measure environmental noise levels in decibels (dB) with this tool. It helps identify noise pollution, monitor sound levels, and protect your hearing by setting decibel warnings. Record noise, take photos, and create videos of decibel readings.
- Measure environmental noise in decibels (dB)
- Evaluate average and maximum decibel values
- Display decibel levels in gauge and graph
- Record sound levels with photos and videos
- Set decibel warnings for hearing protection
- Calibrate for accuracy
- Multiple themes
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Sound Level Meter app can measure environment noise in decibel values (dB). Sound Level Meter is a perfect free auxiliary tool to evaluate the noise around you and the best noise detector & real-time audio analyzer, a necessary noise detector app for both individuals and families, it helps you stay away from noise pollution and concentrate. Compare the noise you record to reference, is it normal conversation, or as loud as subway train? Features of Decibel Meter & Sound Level Meter - Evaluate current noise reference - Evaluate avg/max decibel values (dB) - Display decibel in gauge & graph - Measure sound level with record - Save noise recording, take decibel photo and record decibel video - Display avg/min/max decibel values of records - 4 themes for your choice - Calibrate if you feel not accurate enough - Regulate voices visually - Set decibel warning for timely hearing protection Uses of Decibel Meter & Sound Level Meter - When you feel too noisy but without proof - Monitor sound level around us - Detect the decibel of your neighbors - Record your snores Levels of Noise in decibels (dB) according to the American Academy of audiology, from 20 dB to 120 dB between the division. Note: The max values are limited by your ios device, very loud noises may not be recognized accurately. This sound meter app is a necessary noise detector app for both individuals and families, it helps you stay away from noise pollution and concentrate. Just need one step to turn your phone into a sound meter tool to measure environmental noise, download this free Sound Meter app! About the In-App Subscription: --Subscription period: "Sound Meter Premium - Monthly" (continuous monthly subscription product), "Sound Meter Premium - Yearly" (continuous annual subscription product), "Sound Meter Premium - Permanently" --Payment: After user confirms the purchase and pays, it will be billed through your Apple ID account --Cancel renewal: If you need to cancel the renewal, please manually turn off the automatic renewal function in the iTunes/Apple ID setting management 24 hours before the current subscription period expires --Renewal: Apple’s iTunes account will be deducted within 24 hours before expiration. After the deduction is successful, the subscription period will be extended by one subscription period. --Privacy Policy: http://privacypolicy.oss-us-west-1.aliyuncs.com/protocol/privacy.txt --EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Cuspart
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Professional Decibel Meter: Analysis, Recording & Alerts Overview Developed for environmental acoustic measurements and noise auditing, this application transforms your mobile device into a professional sound analysis station. With advanced signal processing algorithms, real-time data visualization, automated threshold alerts, and location-based video documentation, it offers precise solutions for occupational safety, environmental inspection, and acoustic analysis needs. KEY TECHNICAL FEATURES Smart Threshold Alarm & Notification System: No need for constant screen monitoring. When noise levels exceed user-defined limits or standard safety thresholds (e.g., 90 dB), the application automatically sends instant notifications. This proactive warning mechanism allows you to immediately detect high noise exposure and helps protect hearing health. Video Documentation & Geo-Tagging: Verifiability of measurement data is essential. During video recording, the application overlays instant decibel (dB) values, GPS coordinates, date, and time directly onto the footage. This feature creates irrefutable visual evidence for noise violations, site inspections, and legal dispute resolutions. Dynamic Graphical Analysis: Sound fluctuations are monitored with millisecond precision via time-axis charts. Instant noise changes, peak points, and background noise levels are detailed within the graphical interface. Statistical Data Processing: Data obtained during the measurement session is analyzed to calculate: • Min: The lowest sound level detected. • Max: The highest noise peak level. • Avg: Time-weighted average value calculated automatically. Customizable Interface (UI): To ensure optimal readability under various lighting conditions, the application offers multiple color themes and options for both analog and digital gauge displays. CORPORATE & INDIVIDUAL USE CASES • Occupational Health and Safety (OHS): Automatic detection of noise limit violations in factories, workshops, and industrial sites. • Environmental Auditing: Monitoring noise pollution caused by traffic, construction, or commercial businesses for compliance. • Baby & Sleep Safety: Remote awareness when sound levels rise in a nursery or sleeping environment. • Acoustic Testing: Performance evaluation of sound insulation and audio equipment. Why Choose This Solution? • Proactive Safety: Warning system triggers upon limit breach. • Evidence Quality: Location and timestamped video records. • Data Reliability: Consistent results with calibrated algorithms. Digitize your noise measurement processes. Download now for professional analysis. *Legal Disclaimer: While this application provides high-precision measurements within the technical capabilities of mobile device microphones, it is recommended to use certified Class 1 or Class 2 devices for official expert reports and legal limit compliance.
Screenshots
Verdict
Sound Meter and Cuspart are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Sound Meter sells 3 in-app purchases, starting at $1.99 per month and Cuspart sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Sound Meter ships an update every 6 weeks, Cuspart every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Sound Meter | Cuspart |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (31 ratings) — better | — |
| Positive reviews | 56.4% of reviews | — |
| Number of ratings | 31 — better | — |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 38 MB | 79 MB |
| Age rating | 4+ | 17+ |
| Developer | Coocent Ltd. | Mustafa Tolga DALBUDAK |
In-app purchases
Sound Meter
- Sound meter premium - monthly$1.991 Month
- Sound meter premium - yearly$9.991 Year
- Sound meter premium- permanent$12.99
Cuspart
- Upgrade to Pro$0.99
- Espresso$1.49
- Flat White$1.99
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- Caffè Americano$2.49
- Caffè Mocha$2.99
- Classic Hot Chocolate$3.49
- Special Hot Chocolate$3.99









