# Rehwasi vs Frequency Analyzer

The clearest difference is in-app purchases: Rehwasi at none against Frequency Analyzer's 11. Rehwasi also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.2). On price, update cadence 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. Rehwasi asks for nothing beyond the download.

Rehwasi ships an update fortnightly, Frequency Analyzer every 8 days. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Rehwasi | 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 | Fortnightly | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 35 MB |
| Requires iOS | **11.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sagar Pandit](https://appshunter.io/developer/1102691887) | [Manfred Kuegel](https://appshunter.io/developer/1520736594) |

## What reviewers say

### Rehwasi

[App page](https://appshunter.io/ios/app/rehwasi/id1495805036)

**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 Rehwasi free?

Rehwasi 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 Rehwasi or Frequency Analyzer have ads?

Neither Rehwasi nor Frequency Analyzer shows ads.

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

Rehwasi ships an update fortnightly, and Frequency Analyzer every 8 days. Most recently, Rehwasi was updated on October 9, 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.*