# Impulso Pro vs SignalProof

The clearest difference is price: SignalProof at Free against Impulso Pro's $2.99. SignalProof also leads on rating (5.0 vs 1.0) and update cadence (every 3 weeks vs every 4 months). Impulso Pro's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On ratings volume, ads and in-app purchases there is nothing between them.

SignalProof is free to download; Impulso Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SignalProof holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Impulso Pro ships an update every 4 months, SignalProof every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Impulso Pro | SignalProof |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/impulso-pro/id1217453983/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signalproof-tone-generator/id6785174973/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 28 MB | 7 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Artnovion LDA](https://appshunter.io/developer/991324136) | [Borealbit Technology Limited](https://appshunter.io/developer/1808424081) |

## What reviewers say

### Impulso Pro

[App page](https://appshunter.io/ios/app/impulso-pro/id1217453983)

Measure and analyze room acoustics using your iPhone. Visualize reverberation time, simulate improvements with acoustic products, and get detailed plots of energy time curves and frequency responses. Compatible with internal or external microphones.

**Highlights:** Room acoustics measurement, Reverberation time visualization, Acoustic product simulation, Energy time curve plots, Frequency response analysis, Real-time microphone input spectral plot

**Features:** Vision Pro support

**In-app purchases:** none


### SignalProof

[App page](https://appshunter.io/ios/app/signalproof-tone-generator/id6785174973)

Generate controlled audio signals for repeatable speaker, room, and sound meter checks. Save setups and results for easy comparison. Ideal for practical audio testing without ads or accounts.

**Highlights:** Sine tones and noise generation, Frequency sweeps, Left, right, or stereo output, dBFS level control, Save test sessions and presets, Export PDF reports, Local-first design, no account needed

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

**In-app purchases:** none


## Frequently asked questions

### Is Impulso Pro free?

Impulso Pro costs $2.99, with no in-app purchases.

### Is SignalProof free?

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

### Which has better reviews, Impulso Pro or SignalProof?

SignalProof is rated higher. Impulso Pro averages 1.0 out of 5 from 2 ratings, while SignalProof averages 5.0 from 1 ratings.

### Do Impulso Pro or SignalProof have ads?

Neither Impulso Pro nor SignalProof shows ads.

### Which is updated more often, Impulso Pro or SignalProof?

Impulso Pro ships an update every 4 months, and SignalProof every 3 weeks. Most recently, Impulso Pro was updated on October 24, 2026 and SignalProof on October 24, 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.*