Comparison

CKT EM system vs Cuspart

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

Head to head
About

CKT EM system

Features
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掌握「莊小」課外活動的最新動態,隨時隨地查閱子女的活動資訊。 Parents are updated with the latest news of extra-curricular activities in PLK Chong Kee Ting Primary School. They may check all the information of their children any time.

About

Cuspart

Features
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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

CKT EM system3 screens
Cuspart4 screens

Verdict

The call

The clearest difference is in-app purchases: CKT EM system at none against Cuspart's 10. CKT EM system also leads on ads (none vs shown) and iOS requirement (11.0 vs 16.6). Cuspart's advantage is update cadence (every 2 months vs every 10 months). On price 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

Both are free to download. Cuspart sells 10 in-app purchases, starting at $1.99 per month. CKT EM system asks for nothing beyond the download.

UpkeepUpdate frequency

CKT EM system ships an update every 10 months, Cuspart every 2 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 2 level
CKT EM system versus Cuspart: the parameters behind the verdict, then further details
ParameterCKT EM systemCuspart
PriceFreeFree
Update frequencyEvery 10 monthsEvery 2 months — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPod — betteriPhone
Requires iOS11.0 — better16.6
Further details — not scored
Size55 MB79 MB
Age rating4+17+
DeveloperNorray Resource Pty. Ltd.Mustafa Tolga DALBUDAK

In-app purchases

None

CKT EM system

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 CKT EM system free?
CKT EM system is free to download, with no in-app purchases.
Is Cuspart free?
Cuspart is free to download, with in-app purchases available.
Do CKT EM system or Cuspart have ads?
Cuspart shows ads; CKT EM system does not.
Which is updated more often, CKT EM system or Cuspart?
CKT EM system ships an update every 10 months, and Cuspart every 2 months. Most recently, CKT EM system was updated on October 4, 2026 and Cuspart on October 1, 2026.

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