# Voltcraft WIFI Scope vs Frequency Analyzer

The clearest difference is in-app purchases: Voltcraft WIFI Scope at none against Frequency Analyzer's 11. Voltcraft WIFI Scope also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.2). Frequency Analyzer's advantage is update cadence (every 8 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. Frequency Analyzer sells 11 in-app purchases, starting at $2.99 per 7 days. Voltcraft WIFI Scope asks for nothing beyond the download.

Voltcraft WIFI Scope ships an update every 3 weeks, Frequency Analyzer every 8 days. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Voltcraft WIFI Scope | Frequency Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (169 ratings)](https://appshunter.io/ios/app/frequency-analyzer/id6468837339/reviews)** |
| Number of ratings | — | **169** |
| Positive reviews | — | 10.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 35 MB |
| Requires iOS | **9.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CEI Conrad Electronic International (HK) Limited](https://appshunter.io/developer/756357900) | [Manfred Kuegel](https://appshunter.io/developer/1520736594) |

## What reviewers say

### Voltcraft WIFI Scope

[App page](https://appshunter.io/ios/app/voltcraft-wifi-scope/id1097236154)

**Features:** macOS Compatibility

**In-app purchases:** none


### Frequency Analyzer

[App page](https://appshunter.io/ios/app/frequency-analyzer/id6468837339)

Transform your device into a professional audio analysis tool with advanced FFT analysis, SPL monitoring, and detailed visualizations. Record, analyze, and export audio data with precision calibration and multiple weighting filters.

**Highlights:** Real-time FFT analysis, Calibrated SPL measurements, 32-bit float audio recording, Synchronized video recording, Spectrogram and octave band analysis, Export WAV, CSV, images, and videos

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Frequency Analyzer Pro Weekly | $2.99 | per 7 days |
| Frequency Analyzer Pro Monthly | $3.99 | per month |
| Frequency Analyzer Pro Monthly | $3.99 | per month |
| Frequency Analyzer Pro Monthly | $4.99 | per month |
| Frequency Analyzer Pro Monthly | $4.99 | per month |
| Frequency Analyzer Pro Monthly | $4.99 | per month |
| Frequency Analyzer Pro Annual | $29.99 | per year |
| Frequency Analyzer Pro Annual | $44.99 | per year |
| Frequency Analyzer Pro Annual | $44.99 | per year |
| Frequency Analyzer Pro Annual | $44.99 | per year |
| Pro access for lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Voltcraft WIFI Scope free?

Voltcraft WIFI Scope is free to download, with no in-app purchases.

### Is Frequency Analyzer free?

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

### Do Voltcraft WIFI Scope or Frequency Analyzer have ads?

Neither Voltcraft WIFI Scope nor Frequency Analyzer shows ads.

### Which is updated more often, Voltcraft WIFI Scope or Frequency Analyzer?

Voltcraft WIFI Scope ships an update every 3 weeks, and Frequency Analyzer every 8 days. Most recently, Voltcraft WIFI Scope was updated on October 2, 2026 and Frequency Analyzer on October 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.*