# Spectrum Analyzer vs Smaart RTA

The clearest difference is rating: Smaart RTA at 4.8 against Spectrum Analyzer's 4.2. Smaart RTA also leads on review sentiment (41% vs 5%) and ads (none vs shown). Spectrum Analyzer's advantage is update cadence (fortnightly vs every 2 months). On price, ratings volume, in-app purchases and monetization model 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 Smaart RTA sells 6 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Smaart RTA holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 198 and 429 respectively. Written reviews point the same way: 5% of Spectrum Analyzer's written reviews are positive against 41% of Smaart RTA's.

Spectrum Analyzer ships an update fortnightly, Smaart RTA every 2 months. Both last shipped on October 14, 2026.

## The numbers

| Metric | Spectrum Analyzer | Smaart RTA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (198 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895/reviews) | **[4.8 (429 ratings)](https://appshunter.io/ios/app/smaart-rta/id6738144288/reviews)** |
| Number of ratings | 198 | **429** |
| Positive reviews | 5.0% of reviews | **40.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 100 MB | 11 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Music Breath](https://appshunter.io/developer/1140008995) | [Rational Acoustics LLC](https://appshunter.io/developer/1755441542) |

## 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


### Smaart RTA

[App page](https://appshunter.io/ios/app/smaart-rta/id6738144288)

Analyze audio in real time with professional-grade tools. Visualize frequency content, manage feedback, and monitor sound pressure levels with precision and ease, all from your mobile device.

**Highlights:** Professional RTA graph with averaging options, Spectrograph for feedback and frequency management, SPL meter with A & C weighting, Adjustable RTA graph settings, Plot calibrated levels, Target curves

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smaart RTA - Monthly | $1.99 | per month |
| Smaart RTA Pro - Monthly | $4.99 | per month |
| Smaart RTA - Annual | $19.99 | per year |
| Smaart RTA Pro - Annual | $49.99 | per year |
| Smaart RTA - Lifetime | $59.99 | one-time |
| Smaart RTA Pro - Lifetime | $149.99 | one-time |


## Frequently asked questions

### Is Spectrum Analyzer free?

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

### Is Smaart RTA free?

Smaart RTA is free to download, with in-app purchases available.

### Which has better reviews, Spectrum Analyzer or Smaart RTA?

Smaart RTA is rated higher. Spectrum Analyzer averages 4.2 out of 5 from 198 ratings, while Smaart RTA averages 4.8 from 429 ratings.

### Do Spectrum Analyzer or Smaart RTA have ads?

Spectrum Analyzer shows ads; Smaart RTA does not.

### Which is updated more often, Spectrum Analyzer or Smaart RTA?

Spectrum Analyzer ships an update fortnightly, and Smaart RTA every 2 months. Most recently, Spectrum Analyzer was updated on October 14, 2026 and Smaart RTA on October 14, 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.*