# DrumComputer vs Audulus 4

The clearest difference is rating: DrumComputer at 4.8 against Audulus 4's 4.3. DrumComputer also leads on review sentiment (81% vs 69%) and ratings volume (621 vs 74). Audulus 4's advantage is device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. DrumComputer sells 1 one-off in-app purchase and Audulus 4 sells 27 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

DrumComputer holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: DrumComputer has 621 ratings behind it against 74, so its average is the more settled of the two. Written reviews point the same way: 81% of DrumComputer's written reviews are positive against 69% of Audulus 4's.

DrumComputer ships an update every 3 weeks, Audulus 4 monthly. The most recent releases landed on August 7, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | DrumComputer | Audulus 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (621 ratings)](https://appshunter.io/ios/app/drumcomputer-synthetic-beats/id1502238351/reviews)** | [4.3 (74 ratings)](https://appshunter.io/ios/app/audulus-4/id1592022030/reviews) |
| Number of ratings | **621** | 74 |
| Positive reviews | **80.8% of reviews** | 69.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 1.6 GB | 103 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sugar Bytes GmbH](https://appshunter.io/developer/614418826) | [Audulus LLC](https://appshunter.io/developer/452619536) |

## What reviewers say

### DrumComputer

[App page](https://appshunter.io/ios/app/drumcomputer-synthetic-beats/id1502238351)

This app is a powerful tool for creating synthetic drum sounds and beats. It combines advanced synthesis techniques with flexible modulation and sequencing capabilities, offering intelligent randomizers and pattern editing for endless creative possibilities. Users can design unique drum hits, build complex patterns, and mix them for professional-sounding results.

**Highlights:** 8 layered sound engines, Flexible modulation matrix, Intelligent sound randomizers, 16-step sequencer with pattern generation, Auto and manual remixing/fills, AUv3 plugin and standalone operation, MIDI file export

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DrumComputer Full Version | $29.99 | one-time |

**What reviewers like**

- 🚀 Best iOS drum machine
- 👍 Wicked easy to use interface
- 👍 Great sound and workflow
- 👍 Powerful and flexible sequencer
- 👍 Tons of customization options

**What reviewers complain about**

- 🐛 Occasional crashes
- 🔋 High CPU usage and battery drain
- 👎 Confusing and complex interface
- 👎 Lack of MIDI mapping for live use
- 👎 Inability to record beats from pads

**Reported bugs**

- Crashes on startup with iOS 14.2
- Inability to import samples in some cases
- MIDI out only supports single channel

**Requested features**

- Add real-time beat recording
- Improve MIDI mapping capabilities
- Add randomization options for tempo, sequence length, and mixing
- Improve preset management (ability to delete presets)
- Optimize for better performance and battery life


### Audulus 4

[App page](https://appshunter.io/ios/app/audulus-4/id1592022030)

Create and shape sounds with a professional-grade modular synthesizer environment. Explore a vast library of modules for synthesis and sound design, with the option to expand your toolkit with premium instruments and effects. Available across Apple devices for seamless workflow.

**Highlights:** Modular synthesizer environment, Sound design tools, Real-time audio shaping, Extensive module library, Premium Pro Modules (in-app purchases), Cross-device iCloud sync, AUv3 plugin support

**Features:** Vision Pro support

**In-app purchases (27)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audulus Pro (1 Month) | $4.99 | per month |
| Audulus Pro (1 Year) | $29.99 | per year |
| 1-shot Sample | $1.99 | one-time |
| P-Train | $2.99 | one-time |
| CLK RS-1 | $3.99 | one-time |
| CG-1 Chord Generator | $3.99 | one-time |
| CLK Clock Generator | $4.99 | one-time |
| MetaEnvelope | $4.99 | one-time |
| Modal Percussion | $4.99 | one-time |
| CLK: TimeWarp | $4.99 | one-time |
| CPR-1 | $4.99 | one-time |
| LMT-1 | $4.99 | one-time |
| MS-FUNC | $5.99 | one-time |
| CLK SS-516 | $7.99 | one-time |
| J-23 Reverb | $7.99 | one-time |
| J-23 Effects | $7.99 | one-time |
| CLK GS-1 | $7.99 | one-time |
| Chaos LFO Bundle | $7.99 | one-time |
| ARP-1 | $7.99 | one-time |
| CPR-3 | $7.99 | one-time |
| SynD-K1 | $7.99 | one-time |
| TRIKOR VCO | $9.99 | one-time |
| CLK Tools Bundle | $9.99 | one-time |
| Essential Synth Bundle | $9.99 | one-time |
| VCF Bundle 1 | $9.99 | one-time |
| J-23 Space Console | $14.99 | one-time |
| Patch Editing | $29.99 | one-time |

**What reviewers like**

- ✨ Powerful modular environment
- 💡 Deep DSP programming capabilities
- 🎨 Intuitive and beautiful UI
- 🚀 Seamless workflow across devices
- 📚 Great for learning synthesis

**What reviewers complain about**

- 💸 Expensive in-app purchases/subscriptions
- ⚠️ Steep learning curve for beginners
- 📱 UI issues on mobile (scrolling, view obstruction)
- 📉 High CPU usage
- ❓ Lack of comprehensive documentation

**Reported bugs**

- iOS 18 compatibility issues (app not working)
- Save presets but no 'Load' button
- Undo command issues with DAWs
- CMD+Z causing data loss
- Opt+drag not duplicating modules

**Requested features**

- Add 'Load' button for presets
- Improve DAW integration (Undo, duplicate)
- Resizable plugin window
- More modules (FFT/IFFT, granular buffering)
- Add CC in module


## Frequently asked questions

### Is DrumComputer free?

DrumComputer is free to download, with in-app purchases available.

### Is Audulus 4 free?

Audulus 4 is free to download, with in-app purchases available.

### Which has better reviews, DrumComputer or Audulus 4?

DrumComputer is rated higher. DrumComputer averages 4.8 out of 5 from 621 ratings, while Audulus 4 averages 4.3 from 74 ratings.

### Do DrumComputer or Audulus 4 have ads?

Neither DrumComputer nor Audulus 4 shows ads.

### Which is updated more often, DrumComputer or Audulus 4?

DrumComputer ships an update every 3 weeks, and Audulus 4 monthly. Most recently, DrumComputer was updated on August 7, 2026 and Audulus 4 on September 12, 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.*