# Noise Spectrum Logger vs Hack Attack Pro

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.

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.

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.

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.

## The numbers

| Metric | Noise Spectrum Logger | Hack Attack Pro |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/noise-spectrum-logger/id1153920486/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/hack-attack-pro/id1563527484/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | **Free** | Paid |
| Size | 5 MB | 219 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Yukiko Iwai](https://appshunter.io/developer/965630131) | [Up&Atom!](https://appshunter.io/developer/374315793) |

## What reviewers say

### Noise Spectrum Logger

[App page](https://appshunter.io/ios/app/noise-spectrum-logger/id1153920486)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Hack Attack Pro

[App page](https://appshunter.io/ios/app/hack-attack-pro/id1563527484)

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:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coins Pack 1 | $0.99 | one-time |
| Coins Pack 2 | $1.99 | one-time |
| Coins Pack 3 | $2.99 | one-time |
| Coins Pack 4 | $5.99 | one-time |
| Coins Pack 5 | $9.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*