# Spectrum Analyzer vs Decibel meter for personal use

The clearest difference is review sentiment: Decibel meter for personal use at 100% against Spectrum Analyzer's 5%. Decibel meter for personal use also leads on ads (none vs shown) and rating (4.5 vs 4.2). Spectrum Analyzer's advantage is update cadence (fortnightly vs every 5 weeks) and ratings volume (197 vs 28). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Spectrum Analyzer sells 13 in-app purchases, starting at $4.99 per 7 days and Decibel meter for personal use sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Decibel meter for personal use holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Spectrum Analyzer has 197 ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 5% of Spectrum Analyzer's written reviews are positive against 100% of Decibel meter for personal use's.

Spectrum Analyzer ships an update fortnightly, Decibel meter for personal use every 5 weeks. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Spectrum Analyzer | Decibel meter for personal use |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (197 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895/reviews) | **[4.5 (28 ratings)](https://appshunter.io/ios/app/decibel-meter-for-personal-use/id6448749318/reviews)** |
| Number of ratings | **197** | 28 |
| Positive reviews | 5.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Freemium | Freemium |
| Size | 132 MB | 18 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Music Breath](https://appshunter.io/developer/1140008995) | [Svetlana Rabosh](https://appshunter.io/developer/1614133369) |

## What reviewers say

### Spectrum Analyzer

[App page](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895)

Visualize audio frequencies with real-time analysis. Features include a sound level meter, multichannel harmonic analysis, and adjustable graphical representations. Gain insights into your sound environment with advanced tools.

**Highlights:** Sound level meter, Multichannel harmonic analysis, Adjustable graphics, AI-powered sound source analyzer, Real-time analysis, FFT analysis

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pitch Finder: Audio Visualizer | $4.99 | per 7 days |
| Pitch Finder: Audio Visualizer | $9.99 | per month |
| One Month Sale | $9.99 | per month |
| 1 Week Subscription | $9.99 | per 7 days |
| 1 Year Sub. with discount | $19.99 | per year |
| 1 Month Subscription | $19.99 | per month |
| 3 Month Subscription | $25.99 | per 3 months |
| 1 Year Subscription | $39.99 | per year |
| 2 months subscription | $39.99 | per 2 months |
| No Ads | $9.99 | one-time |
| Additional Settings Controls | $15.99 | one-time |
| Full Pack + No Ads | $19.99 | one-time |
| Get More | $19.99 | one-time |

**What reviewers like**

- ✅ Accurate frequency identification
- ✅ Clear and easy-to-read display
- ✅ Useful noise floor setup feature
- ✅ Works well when ads are removed

**What reviewers complain about**

- 💰 Extremely aggressive monetization strategy
- 📢 Excessive and intrusive ads
- 🔊 Loud ads that ignore device mute settings
- 🚫 Requires subscription/payment to access core features
- 😤 Deceptive purchase practices and accidental charges

**Reported bugs**

- App becomes unusable after iOS 16 update
- Crashes immediately on iPhone 5 with iOS 7
- Cannot exit app on iPhone X without reboot
- App freezes when changing settings or views
- Inaccurate frequency readings

**Requested features**

- Audio file import functionality
- Customizable background colors for chroma key compatibility
- Ability to record audio instead of only analyzing
- Better documentation and help files
- Improved sensitivity for detecting soft sounds


### Decibel meter for personal use

[App page](https://appshunter.io/ios/app/decibel-meter-for-personal-use/id6448749318)

This app measures ambient noise levels and offers features to suppress unwanted sounds like traffic and conversations. It provides real-time analysis, background operation, and historical data for a comprehensive understanding of your sound environment.

**Highlights:** Noise level measurement, Background noise suppression, Background measurement operation, Peak and average noise level calculation, Spectral noise analysis, Measurement history access, UI design for beginners and pros

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Meter+ | $9.99 | per month |


## Frequently asked questions

### Is Spectrum Analyzer free?

Spectrum Analyzer is free to download, with in-app purchases available.

### Is Decibel meter for personal use free?

Decibel meter for personal use is free to download, with in-app purchases available.

### Which has better reviews, Spectrum Analyzer or Decibel meter for personal use?

Decibel meter for personal use is rated higher. Spectrum Analyzer averages 4.2 out of 5 from 197 ratings, while Decibel meter for personal use averages 4.5 from 28 ratings.

### Do Spectrum Analyzer or Decibel meter for personal use have ads?

Spectrum Analyzer shows ads; Decibel meter for personal use does not.

### Which is updated more often, Spectrum Analyzer or Decibel meter for personal use?

Spectrum Analyzer ships an update fortnightly, and Decibel meter for personal use every 5 weeks. Most recently, Spectrum Analyzer was updated on September 24, 2026 and Decibel meter for personal use on September 16, 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.*