# LARSA Analyzer vs VAPolyTZFM

The clearest difference is price: VAPolyTZFM at $14.99 against LARSA Analyzer's $29.99. VAPolyTZFM also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 1). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

LARSA Analyzer costs $29.99 and VAPolyTZFM $14.99 up front. LARSA Analyzer sells 1 one-off in-app purchase. VAPolyTZFM asks for nothing beyond the download.

VAPolyTZFM holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

LARSA Analyzer ships an update every 6 months, VAPolyTZFM every 9 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | LARSA Analyzer | VAPolyTZFM |
| --- | --- | --- |
| Price | $29.99 | **$14.99** |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/larsa-analyzer/id943103573/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/vapolytzfm/id6747690642/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 9 months |
| Monetization | Paid | Paid |
| Size | 48 MB | 17 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### LARSA Analyzer

[App page](https://appshunter.io/ios/app/larsa-analyzer/id943103573)

This tool measures and analyzes impulse responses for audio systems like loudspeakers and home theaters. It helps you tune your audio setup for optimal performance in any listening environment, bringing professional-level analysis to your mobile device.

**Highlights:** Impulse response measurement, IR averaging, IR windowing, Energy Time Curves, Delay time calculation, Save and recall measurements, iCloud support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Filter Design Option | $9.99 | one-time |


### VAPolyTZFM

[App page](https://appshunter.io/ios/app/vapolytzfm/id6747690642)

This app is a polyphonic synthesizer that utilizes Through Zero FM for musical sound generation. It offers a standalone mode with Ableton Link and MIDI support, as well as an AudioUnit Extension for use with other music software. Built-in effects and iCloud Drive integration enhance its creative capabilities.

**Highlights:** Through Zero FM synthesis, AudioUnit Extension (AUv3) support, Ableton Link and MIDI connectivity, Built-in effects suite, iCloud Drive project sharing, Analog style step sequencer, Up to 8 voice polyphony

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LARSA Analyzer free?

LARSA Analyzer costs $29.99, and also offers in-app purchases.

### Is VAPolyTZFM free?

VAPolyTZFM costs $14.99, with no in-app purchases.

### Which has better reviews, LARSA Analyzer or VAPolyTZFM?

VAPolyTZFM is rated higher. LARSA Analyzer averages 4.3 out of 5 from 3 ratings, while VAPolyTZFM averages 5.0 from 3 ratings.

### Do LARSA Analyzer or VAPolyTZFM have ads?

Neither LARSA Analyzer nor VAPolyTZFM shows ads.

### Which is updated more often, LARSA Analyzer or VAPolyTZFM?

LARSA Analyzer ships an update every 6 months, and VAPolyTZFM every 9 months. Most recently, LARSA Analyzer was updated on October 9, 2026 and VAPolyTZFM on October 7, 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.*