Comparison

Sci vs Noise Meter

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

Head to head
About

Sci

Read full description

一、Basic Description 1、This software is mainly used in the digital experiment of primary and middle schools, including physical, chemical and biological experiments. 2、To work properly, the software needs to be used with sensors and bluetooth transmitter modules (sensors are connected to bluetooth launch modules). The sensor data is sent to the receiving end of the iPad or iPhone via a connected bluetooth module. 3、The software operates on portable mobile devices such as iphone or ipad, which has bluetooth low power consumption of BLE 4.0. The software can actively detect and connect bluetooth devices, real-time data collection, analytical sensor data, digital、graphic display digital and graphic display, with functions such as plug and play, automatic recognition ( sensor ), parallel acquisition, combination drawing, free coordinate, line analysis ( fitting, integral, etc. ), table record, add variables, formula, table data drawing, etc. 4、The overall design of this software adopts the Qt5.12.0 technical framework and Objective-C mixing method. 二、Use Instructions 1、Access the Bluetooth transmitter module to the sensor , turn on the power on the Bluetooth transmitter module, and then the indicator light is on. 2、Start the software on the ipad or iphone. 3、The software initial startup interface is QR code scanning interface. The ID information of the device can be automatically scanned and displayed by a QR code that is pasted on the target bluetooth module in the various bluetooth devices that are enabled, which can support scanning of 4 bluetooth modules ( that is, up to 4 sensors at the same time ),after the scan is completed, click start experimental button start scanning, discovering, connecting bluetooth equipment, sensor data transmission, data display and analysis. For easy control, it is recommended that the software be installed on the device with a screen of 4.7 inches and above. Please ensure that the operating system version is iOS 11.0 or above.

About

Noise Meter

This utility app measures sound levels in decibels using your device's microphone. It records maximum, minimum, and average dB values, and allows you to capture decibel readings with your camera as evidence. It's designed for ease of use with a friendly interface and threshold setting capabilities.

Highlights
  • Decibel measurement
  • Max, min, avg dB tracking
  • Camera capture for evidence
  • User-friendly interface
  • Threshold setting
  • Accurate measurements (20-16,000 Hz)
Features
Read full description

Track environmental noise effortlessly with NoisePo, a simple decibel meter and noise meter app! NoisePo utilizes your device's built - in microphone to detect sound levels and presents them in decibels (dB). It also calculates the max, min, avg dB value for you. What sets NoisePo apart is its unique feature of allowing you to capture and record decibel values as evidence using the camera. This app provides accurate measurements within the audible frequency range of 20 to 16,000 Hz. The app features a user - friendly interface with intuitive design. You can set thresholds, view current, average, and maximum values, as well as the peak frequency. It's important to note that the decibel readings are limited by the device microphone's capabilities, so it's not intended for professional - grade use. For any additional information or comments, feel free to contact us. FEATURES: - Ads Free and Simple: Easy to use. - Camera Capture: Record decibel values as evidence. - Accurate Measurements: Precise within the specified frequency range. - Functionality: Start, stop, and reset options.

Screenshots

Sci4 screens
Noise Meter4 screens

Verdict

The call

The clearest difference is in-app purchases: Sci at none against Noise Meter's 2. Sci also leads on iOS requirement (13.0 vs 15.0). Noise Meter's advantage is update cadence (weekly vs every 5 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Noise Meter sells 2 in-app purchases, starting at $1.99 per month. Sci asks for nothing beyond the download.

UpkeepUpdate frequency

Sci ships an update every 5 weeks, Noise Meter weekly. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Sci versus Noise Meter: the parameters behind the verdict, then further details
ParameterSciNoise Meter
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size88 MB1 MB
Age rating4+4+
Developer山东远大朗威教育科技股份有限公司利艳 姚

In-app purchases

None

Sci

No in-app purchases

2 purchases

Noise Meter

Subscriptions1
  • Monthly Pro$1.991 Month
One-time1
  • Lifetime Pro$2.99

Questions

Is Sci free?
Sci is free to download, with no in-app purchases.
Is Noise Meter free?
Noise Meter is free to download, with in-app purchases available.
Do Sci or Noise Meter have ads?
Neither Sci nor Noise Meter shows ads.
Which is updated more often, Sci or Noise Meter?
Sci ships an update every 5 weeks, and Noise Meter weekly. Most recently, Sci was updated on October 17, 2026 and Noise Meter on October 24, 2026.

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