# Attack Drums vs QuadroSphere

The clearest difference is review sentiment: QuadroSphere at 100% against Attack Drums's 34%. QuadroSphere also leads on rating (5.0 vs 4.4) and device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Attack Drums costs $14.99 and QuadroSphere $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QuadroSphere holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 23 and 10 respectively. Written reviews point the same way: 34% of Attack Drums's written reviews are positive against 100% of QuadroSphere's.

Attack Drums ships an update every 2 weeks, QuadroSphere every 3 weeks. The most recent releases landed on September 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Attack Drums | QuadroSphere |
| --- | --- | --- |
| Price | $14.99 | $14.99 |
| Rating | [4.4 (23 ratings)](https://appshunter.io/ios/app/attack-drums/id956450390/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/quadrosphere/id6740915664/reviews)** |
| Number of ratings | **23** | 10 |
| Positive reviews | 34.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Paid | Paid |
| Size | 97 MB | 18 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Waldorf Music](https://appshunter.io/developer/516565566) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### Attack Drums

[App page](https://appshunter.io/ios/app/attack-drums/id956450390)

This app is a powerful sound engine and pattern sequencer inspired by a classic VST plugin. It excels at creating drum sounds but can also be used for vocals and other instruments, featuring a unique text-based vocoder.

**Highlights:** 24-part sound engine, Pattern sequencer, Phrase Vocoder (text-based), Versatile effects section, Inter-App Audio & Audiobus 3 support, MIDI Sync, Export song to audio file

**In-app purchases:** none

**What reviewers like**

- 🎶 Amazing sound quality
- 💡 Deep sound design capabilities
- 🎹 Versatile synth engine
- 🎧 Great for electronic music
- ✨ Organic sound character

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐌 Poor performance on older devices
- 🔌 Sync issues with other apps
- 🐞 MIDI implementation problems
- 🚧 UI scaling issues on some devices

**Reported bugs**

- Crashes when loading own samples
- Lag with MIDI clock sync
- Inconsistent MIDI response and routing
- Low velocity response
- Transport controls not showing in DAWs

**Requested features**

- Ableton Link support
- Improved MIDI sync
- Smoother IAA and MIDI integration
- More pattern steps (64+)
- Support for triplets and higher note divisions


### QuadroSphere

[App page](https://appshunter.io/ios/app/quadrosphere/id6740915664)

This audio plugin allows musicians to sculpt immersive soundscapes by controlling stereo placement and effects across four distinct frequency bands. Create dynamic, atmospheric audio with automated movement and morphing between saved settings.

**Highlights:** 4 configurable frequency bands, Control stereo separation, level, and pan per band, Create and morph between 12 snapshots, Modulation control for automated sweeps, Per-band effects (Haas, Delay, Reverb, Chorus, Compressor), Convert mono to pseudo-stereo, MIDI CC control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Attack Drums free?

Attack Drums costs $14.99, with no in-app purchases.

### Is QuadroSphere free?

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

### Which has better reviews, Attack Drums or QuadroSphere?

QuadroSphere is rated higher. Attack Drums averages 4.4 out of 5 from 23 ratings, while QuadroSphere averages 5.0 from 10 ratings.

### Do Attack Drums or QuadroSphere have ads?

Neither Attack Drums nor QuadroSphere shows ads.

### Which is updated more often, Attack Drums or QuadroSphere?

Attack Drums ships an update every 2 weeks, and QuadroSphere every 3 weeks. Most recently, Attack Drums was updated on September 12, 2026 and QuadroSphere on October 1, 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.*