# Frequency Analyzer vs Vos Lite

The clearest difference is in-app purchases: Vos Lite at none against Frequency Analyzer's 10. Frequency Analyzer's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Frequency Analyzer sells 10 in-app purchases, starting at $2.99 per 7 days. Vos Lite asks for nothing beyond the download.

Frequency Analyzer ships an update weekly, Vos Lite every 2 months. The most recent releases landed on November 14, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Frequency Analyzer | Vos Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (190 ratings)](https://appshunter.io/ios/app/frequency-analyzer/id6468837339/reviews)** | — |
| Number of ratings | **190** | — |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 57 MB |
| Requires iOS | 17.2 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Manfred Kuegel](https://appshunter.io/developer/1520736594) | [兴杰 吴](https://appshunter.io/developer/1734914378) |

## What reviewers say

### Frequency Analyzer

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

Transform your device into a professional audio analysis tool with real-time FFT, SPL monitoring, and advanced visualization. Record, analyze, and export high-quality audio and video data for various acoustic applications.

**Highlights:** Real-time FFT analysis, Calibrated SPL measurement, High-resolution spectrum analyzer, Real-time waveform display, 32-bit float audio recording, Synchronized video recording, Export WAV, CSV, images, and videos

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Frequency Analyzer Pro Weekly | $2.99 | per 7 days |
| Frequency Analyzer Pro Weekly | $2.99 | per 7 days |
| 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 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 |


### Vos Lite

[App page](https://appshunter.io/ios/app/vos-lite/id6802154244)

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

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Analyzer free?

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

### Is Vos Lite free?

Vos Lite is free to download, with no in-app purchases.

### Do Frequency Analyzer or Vos Lite have ads?

Neither Frequency Analyzer nor Vos Lite shows ads.

### Which is updated more often, Frequency Analyzer or Vos Lite?

Frequency Analyzer ships an update weekly, and Vos Lite every 2 months. Most recently, Frequency Analyzer was updated on November 14, 2026 and Vos Lite on November 13, 2026.

---

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