Comparison

Noise Spectrum Logger vs Hack Attack Pro

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

Hack Attack Pro

This casual training game uses a match-3 platform to teach cyber safety skills. It's designed to be engaging and fun, improving knowledge retention better than traditional methods. Features include 120 levels, time tracking, and achievement certificates.

Highlights
  • Match-3 gameplay
  • Cyber safety education
  • 120 levels
  • Time tracking
  • Achievement certificates
  • Corporate training
Features
Read full description

In the past few years of lockdowns, online schooling, and mass isolation, Education and Learning have become a difficult challenge for people of all ages, especially children! Billions of people worldwide turned much of their attention to social media and casual gaming resulting in a rewiring of how the brain processes information. Hack Attack Pro is a casual training game that speaks to a whole generation in a language they understand. It is a match 3-style game platform that trains the player on how to become cyber-safe in a digital world. The game is engaging, fun to play and uses a unique approach to improve player knowledge retention that outperforms traditional LMS systems. Once people try this platform of engagement training, they never want to go back to traditional slideware. There are 120 levels with time tracking and certificate levels of achievement built in for immediate player compliance. Seriously….It’s fun and it works!... It is designed for ages 8 and up and is perfect for corporate training curriculums to satisfy “Privacy & Cyber Risk Awareness” training requirements mandated by Industry, State, or Federal requirements. Inquire direct for customized or private labelled training programs for schools, universities, professional or corporate training programs here: https://www.hackattackgame.com/support/

Screenshots

Noise Spectrum Logger4 screens
Hack Attack Pro4 screens

Verdict

The call

The clearest difference is price: Noise Spectrum Logger at Free against Hack Attack Pro's $2.99. Hack Attack Pro's advantage is update cadence (monthly vs every 10 months) and ratings volume (5 vs 1). On rating, ads, in-app purchases 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

Noise Spectrum Logger is free to download; Hack Attack Pro costs $2.99 up front. Noise Spectrum Logger sells 1 one-off in-app purchase and Hack Attack Pro sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Noise Spectrum Logger against 5.0 for Hack Attack Pro. That said, the two scores are not equally well evidenced: Hack Attack Pro has 5 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Noise Spectrum Logger ships an update every 10 months, Hack Attack Pro monthly. The most recent releases landed on July 7, 2026 and September 18, 2026 respectively.

Scorecard5 real differences · 5 level
Noise Spectrum Logger versus Hack Attack Pro: the parameters behind the verdict, then further details
ParameterNoise Spectrum LoggerHack Attack Pro
PriceFree — better$2.99
Rating5.0 (1 ratings)5.0 (5 ratings)
Positive reviews—100.0% of reviews
Number of ratings15 — better
Update frequencyEvery 10 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.512.0 — better
Further details — not scored
Size5 MB219 MB
Age rating12+4+
DeveloperYukiko IwaiUp&Atom!

Customer experience

Noise Spectrum Logger

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Hack Attack Pro

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Noise Spectrum Logger

One-time1
  • Remove Ads$3.99
5 purchases

Hack Attack Pro

One-time5
  • Coins Pack 1$0.99
  • Coins Pack 2$1.99
  • Coins Pack 3$2.99
Show 2 more
  • Coins Pack 4$5.99
  • Coins Pack 5$9.99

Questions

Is Noise Spectrum Logger free?
Noise Spectrum Logger is free to download, with in-app purchases available.
Is Hack Attack Pro free?
Hack Attack Pro costs $2.99, and also offers in-app purchases.
Which has better reviews, Noise Spectrum Logger or Hack Attack Pro?
Noise Spectrum Logger and Hack Attack Pro are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.
Do Noise Spectrum Logger or Hack Attack Pro have ads?
Neither Noise Spectrum Logger nor Hack Attack Pro shows ads.
Which is updated more often, Noise Spectrum Logger or Hack Attack Pro?
Noise Spectrum Logger ships an update every 10 months, and Hack Attack Pro monthly. Most recently, Noise Spectrum Logger was updated on July 7, 2026 and Hack Attack Pro on September 18, 2026.

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