Comparison

i Sound Level Meter vs Cuspart

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

Head to head
About

i Sound Level Meter

Measure the noise levels around you with this sound meter. Track maximum and minimum decibel values during your measurements. For the most accurate readings, consider using a high-performance noise meter.

Highlights
  • Measures ambient noise levels
  • Tracks maximum noise values
  • Tracks minimum noise values
  • Displays noise measurements
Features
Read full description

The noise meter (noise measuring aparatus). There may be an error of measurement for each smart phone. You can measure how much noise around him. You can check the maximum and minimum values ​​to start You noise measurements. It is recommended to use a high-performance noise meter for accurate noise measurement.

About

Cuspart

Features
Read full description

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

i Sound Level Meter2 screens
Cuspart4 screens

Verdict

The call

The clearest difference is in-app purchases: i Sound Level Meter at none against Cuspart's 10. i Sound Level Meter also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, 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. Cuspart sells 10 in-app purchases, starting at $1.99 per month. i Sound Level Meter asks for nothing beyond the download.

UpkeepUpdate frequency

i Sound Level Meter ships an update monthly, Cuspart every 2 months. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 7 level
i Sound Level Meter versus Cuspart: the parameters behind the verdict, then further details
Parameteri Sound Level MeterCuspart
PriceFreeFree
Rating4.4 (37 ratings) — better—
Positive reviews22.0% of reviews—
Number of ratings37 — better—
Update frequencyMonthly — betterEvery 2 months
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.6
Further details — not scored
Size7 MB79 MB
Age rating4+17+
DeveloperEONSOFTMustafa Tolga DALBUDAK

In-app purchases

None

i Sound Level Meter

No in-app purchases

10 purchases

Cuspart

Subscriptions3
  • Cuspart: Sound Level$1.991 Month
  • Cuspart: Sound Level$5.993 Months
  • Cuspart: Sound Level$12.991 Year
One-time7
  • Upgrade to Pro$0.99
  • Espresso$1.49
  • Flat White$1.99
Show 4 more
  • Caffè Americano$2.49
  • Caffè Mocha$2.99
  • Classic Hot Chocolate$3.49
  • Special Hot Chocolate$3.99

Questions

Is i Sound Level Meter free?
i Sound Level Meter is free to download, with no in-app purchases.
Is Cuspart free?
Cuspart is free to download, with in-app purchases available.
Do i Sound Level Meter or Cuspart have ads?
Both i Sound Level Meter and Cuspart show ads.
Which is updated more often, i Sound Level Meter or Cuspart?
i Sound Level Meter ships an update monthly, and Cuspart every 2 months. Most recently, i Sound Level Meter was updated on September 20, 2026 and Cuspart on September 13, 2026.

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