Comparison

Noise Spectrum Logger vs 紐洛琳Work

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

Head to head
About

Noise Spectrum Logger

Visualize sound frequencies in real-time with a dynamic spectrum display. Log and export audio data for analysis, with options for smoothing and background processing. Access all features offline.

Highlights
  • Real-time spectrum display (20-20000Hz)
  • Zoomable spectrum view
  • Maximum value highlighting
  • Spectrum smoothing options (Mean/RMS)
  • Logging and CSV export
  • Background processing
  • Offline functionality
Features
Read full description

1. DESPLAY The power spectrum of sound is displayed in the range of 20 - 20000Hz. You can zoom in/out the spectrum by pinching in/out smoothly. Also landscape orientation is supported. 2. USEFUL While "hold" switch is ON, the maximum values are displayed in red color. You can select "Mean" or "RMS" as the way of smoothing the spectrum out. 3. LOGGING By sliding "log" switch, the logging mode is started. To choose a past log from "History" tab, you can pull it from iPhone via email as a CSV file. The CSV file can be edited with Excel etc. 4. AVAILABLE Without cellular data service, the full functions are available. 5. BACKGROUND PROCESSING You can use the logging function even when iPhone in your pocket. 6. TECHNICAL NOTE Sample rate: 44.1kHz Bit depth: 32bit float FFT window function: Blackman FFT samples: 8192

About

紐洛琳Work

Features
Read full description

紐洛琳Work 將工作流程線上化,利用共同編輯的知識庫、每天提交日誌模板,更全面的將對家長、孩子的服務優化。 21世紀的軟體、網際網路深刻改變傳統行業的時代,作為教育工作者,我們勇於嘗試新的工作方式,打造自己的工作競爭力,用身體力行給紐洛琳的孩子好的榜樣。

Screenshots

Noise Spectrum Logger4 screens
紐洛琳Work3 screens

Verdict

The call

The clearest difference is in-app purchases: 紐洛琳Work at none against Noise Spectrum Logger's 1. 紐洛琳Work also leads on update cadence (every 6 weeks vs every 10 months). On price, ads, device support and iOS requirement 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 Spectrum Logger sells 1 one-off in-app purchase. 紐洛琳Work asks for nothing beyond the download.

UpkeepUpdate frequency

Noise Spectrum Logger ships an update every 10 months, 紐洛琳Work every 6 weeks. The most recent releases landed on July 7, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 7 level
Noise Spectrum Logger versus 紐洛琳Work: the parameters behind the verdict, then further details
ParameterNoise Spectrum Logger紐洛琳Work
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 10 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.5 — better16.4
Further details — not scored
Size5 MB75 MB
Age rating12+4+
DeveloperYukiko IwaiChen Hanyang

In-app purchases

1 purchases

Noise Spectrum Logger

One-time1
  • Remove Ads$3.99
None

紐洛琳Work

No in-app purchases

Questions

Is Noise Spectrum Logger free?
Noise Spectrum Logger is free to download, with in-app purchases available.
Is 紐洛琳Work free?
紐洛琳Work is free to download, with no in-app purchases.
Do Noise Spectrum Logger or 紐洛琳Work have ads?
Neither Noise Spectrum Logger nor 紐洛琳Work shows ads.
Which is updated more often, Noise Spectrum Logger or 紐洛琳Work?
Noise Spectrum Logger ships an update every 10 months, and 紐洛琳Work every 6 weeks. Most recently, Noise Spectrum Logger was updated on July 7, 2026 and 紐洛琳Work on September 19, 2026.

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