# IMPULSation vs AltiSpace 2

The clearest difference is rating: AltiSpace 2 at 4.7 against IMPULSation's 3.7. AltiSpace 2 also leads on review sentiment (78% vs 50%) and update cadence (monthly vs every 4 months). IMPULSation's advantage is chart position (#176 vs unranked) and iOS requirement (11.0 vs 13.4). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

IMPULSation costs $9.99 and AltiSpace 2 $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AltiSpace 2 holds the better App Store score, 4.7 against 3.7. Both are backed by a comparable volume of ratings — 14 and 29 respectively. Written reviews point the same way: 50% of IMPULSation's written reviews are positive against 78% of AltiSpace 2's.

IMPULSation ships an update every 4 months, AltiSpace 2 monthly. The most recent releases landed on September 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | IMPULSation | AltiSpace 2 |
| --- | --- | --- |
| Price | $9.99 | **$7.99** |
| Rating | [3.7 (14 ratings)](https://appshunter.io/ios/app/impulsation/id1469723900/reviews) | **[4.7 (29 ratings)](https://appshunter.io/ios/app/altispace-2/id1580223509/reviews)** |
| Number of ratings | 14 | **29** |
| Positive reviews | 50.0% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | Paid |
| Best chart rank | **#176** | — |
| Size | 139 MB | 227 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIDIculous LLC](https://appshunter.io/developer/579058990) | [Igor Vasiliev](https://appshunter.io/developer/424401626) |

## What reviewers say

### IMPULSation

[App page](https://appshunter.io/ios/app/impulsation/id1469723900)

**Currently charting:** #176 Top Paid · Music (US App Store)

This app is a powerful convolution reverb that lets you load custom impulse responses for endless sound possibilities. Recreate classic amp tones, spaces, and delays with optimized signal processing. It offers a user-friendly interface with essential controls for precise sound shaping.

**Highlights:** Load custom impulse responses (.wav, .aif), AUv3 and AAX plugin support, 88 factory presets, MIDI Learn and Program Change, Pre-Delay, Wet/Dry, Decay controls, Stereo Widener, iCloud Backup and Sharing

**Features:** Vision Pro support

**In-app purchases:** none


### AltiSpace 2

[App page](https://appshunter.io/ios/app/altispace-2/id1580223509)

This app offers advanced convolution reverb with realistic acoustic simulations and famous hardware device presets. It allows users to import their own impulse responses and provides extensive controls for EQ, gating, modulation, and more to shape unique sounds.

**Highlights:** Import custom impulse response files, Library of famous hardware reverb presets, Advanced EQ, gate, and ducking controls, Modulation and pitch shifting effects, MIDI controller support, Stereo and mono input processing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IMPULSation free?

IMPULSation costs $9.99, with no in-app purchases.

### Is AltiSpace 2 free?

AltiSpace 2 costs $7.99, with no in-app purchases.

### Which has better reviews, IMPULSation or AltiSpace 2?

AltiSpace 2 is rated higher. IMPULSation averages 3.7 out of 5 from 14 ratings, while AltiSpace 2 averages 4.7 from 29 ratings.

### Do IMPULSation or AltiSpace 2 have ads?

Neither IMPULSation nor AltiSpace 2 shows ads.

### Which is updated more often, IMPULSation or AltiSpace 2?

IMPULSation ships an update every 4 months, and AltiSpace 2 monthly. Most recently, IMPULSation was updated on September 26, 2026 and AltiSpace 2 on October 13, 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.*