# Frequency Analyzer vs SpectraHold

The clearest difference is update cadence: SpectraHold at every 3 days against Frequency Analyzer's fortnightly. SpectraHold also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Frequency Analyzer sells 2 in-app purchases, starting at $4.99 per 7 days and SpectraHold sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Frequency Analyzer ships an update fortnightly, SpectraHold every 3 days. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Frequency Analyzer | SpectraHold |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/frequency-analyzer-db-meter/id6770267924/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 9 MB | 6 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ertugrul Sari](https://appshunter.io/developer/1802366246) | [RAFAEL SILVA PFLEGER](https://appshunter.io/developer/6815799174) |

## What reviewers say

### Frequency Analyzer

[App page](https://appshunter.io/ios/app/frequency-analyzer-db-meter/id6770267924)

Transform your device into a professional sound level meter, spectrum analyzer, and noise dosimeter. Ideal for fieldwork, inspections, and detailed acoustic measurements with real-time data and exportable reports.

**Highlights:** Real-time SPL meter with A, C, Z weighting, FFT spectrum and scrolling spectrogram, Noise dosimeter for exposure tracking, Octave-band analysis, Reference tone generator, CSV, PNG, and PDF report export

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Lifetime Access | $19.99 | one-time |


### SpectraHold

[App page](https://appshunter.io/ios/app/spectrahold/id6815799172)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day Trial | Free | one-time |
| Full Access | $5.99 | one-time |


## Frequently asked questions

### Is Frequency Analyzer free?

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

### Is SpectraHold free?

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

### Do Frequency Analyzer or SpectraHold have ads?

Neither Frequency Analyzer nor SpectraHold shows ads.

### Which is updated more often, Frequency Analyzer or SpectraHold?

Frequency Analyzer ships an update fortnightly, and SpectraHold every 3 days. Most recently, Frequency Analyzer was updated on October 21, 2026 and SpectraHold on October 15, 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.*