Comparison

Noise Spectrum Logger vs Speed Reading

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

Speed Reading

Features
Read full description

Read faster. Understand more. Train the skills that make both possible. Speed Reading: Speed Reader is a focused reading trainer for anyone who wants more than a bigger WPM number. It brings together reading-speed assessment, comprehension checks, a structured daily plan, adaptive practice, and 23 targeted exercises in one beautifully designed experience for iPhone and iPad. START WITH AN HONEST BASELINE Read a passage at your natural pace, then answer five comprehension questions. Speed Reading: Speed Reader shows you: • Raw reading speed in words per minute • Comprehension percentage • Correct answers • Effective WPM — your pace adjusted for comprehension Because reading faster only matters when the meaning stays with you. BUILD A ROUTINE THAT FITS YOUR DAY Follow a 28-lesson core program designed to develop your skills step by step. Each lesson combines four focused exercises and takes about 8–12 minutes. Complete one daily lesson, keep your streak going, or choose any exercise for extra practice whenever you want. After the core program, personalized training cycles continue based on the skills that need the most attention. TRAIN MORE THAN SPEED Speed Reading: Speed Reader helps you work on seven essential reading skills: visual field, search speed, attention accuracy, word recognition, working memory, cognitive flexibility, and comprehension. Explore 23 focused exercises, including: • Schulte tables with numbers, letters, and mixed sequences • Letter, word, number, and text search • Word pairs, anagrams, flash words, and memory phrases • Phrase Chunks, Color Markers, and Bionic Reading • Adaptive Reading that changes pace after each answer • Repeated Reading and Recall & Retell • Reading Pace, WPM tests, and comprehension practice • PowerReader with adjustable RSVP speed SEE PROGRESS THAT MEANS SOMETHING • View your personal skill profile • Get a recommended booster for your weakest skill • Track lesson quality and recent trends • Compare scores, accuracy, WPM, and comprehension • Earn star ratings and build your total rating • Follow current and best training streaks • Retake the reading assessment to measure change over time MADE FOR FOCUSED PRACTICE Speed Reading: Speed Reader features a clean, distraction-free dark interface, dedicated layouts for iPhone and iPad, and training content in English and Russian. No account is required: continue as a guest or create a local profile, with your training progress stored on your device. Whether you are studying, working through demanding material, or simply want to become a more focused reader, Speed Reading: Speed Reader turns a vague goal into a clear daily practice. Do not just race through words. Learn to read with speed, control, and understanding. Start with your baseline today. Terms of Use: https://gizehquality.wixsite.com/termsofuse Privacy Policy: https://gizehquality.wixsite.com/privatypolicy

Screenshots

Noise Spectrum Logger4 screens
Speed Reading4 screens

Verdict

The call

The clearest difference is in-app purchases: Speed Reading at none against Noise Spectrum Logger's 1. Noise Spectrum Logger's advantage is iOS requirement (15.5 vs 26.4). 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 Spectrum Logger sells 1 one-off in-app purchase. Speed Reading asks for nothing beyond the download.

Scorecard2 real differences · 7 level
Noise Spectrum Logger versus Speed Reading: the parameters behind the verdict, then further details
ParameterNoise Spectrum LoggerSpeed Reading
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 10 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.5 — better26.4
Further details — not scored
Size5 MB9 MB
Age rating12+4+
DeveloperYukiko IwaiChingiz Zholdaspayev

In-app purchases

1 purchases

Noise Spectrum Logger

One-time1
  • Remove Ads$3.99
None

Speed Reading

No in-app purchases

Questions

Is Noise Spectrum Logger free?
Noise Spectrum Logger is free to download, with in-app purchases available.
Is Speed Reading free?
Speed Reading is free to download, with no in-app purchases.
Do Noise Spectrum Logger or Speed Reading have ads?
Neither Noise Spectrum Logger nor Speed Reading shows ads.

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