# Model 15 Modular Synthesizer vs Drambo

The clearest difference is price: Drambo at $24.99 against Model 15 Modular Synthesizer's $29.99. Drambo also leads on update cadence (every 5 weeks vs every 3 months). Model 15 Modular Synthesizer's advantage is chart position (#129 vs unranked) and iOS requirement (12.4 vs 15.6). On rating, review sentiment, ratings volume and ads there is nothing between them.

Model 15 Modular Synthesizer costs $29.99 and Drambo $24.99 up front. Model 15 Modular Synthesizer sells 11 one-off in-app purchases and Drambo sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Model 15 Modular Synthesizer against 4.8 for Drambo. Both are backed by a comparable volume of ratings — 898 and 330 respectively. Written reviews split almost evenly too, at 86% and 87% positive.

Model 15 Modular Synthesizer ships an update every 3 months, Drambo every 5 weeks. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Model 15 Modular Synthesizer | Drambo |
| --- | --- | --- |
| Price | $29.99 | **$24.99** |
| Rating | **[4.9 (898 ratings)](https://appshunter.io/ios/app/model-15-modular-synthesizer/id1041465860/reviews)** | [4.8 (330 ratings)](https://appshunter.io/ios/app/drambo/id1469365718/reviews) |
| Number of ratings | **898** | 330 |
| Positive reviews | 86.5% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#129** | — |
| Size | 857 MB | 149 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moog Music Inc.](https://appshunter.io/developer/396776421) | [BeepStreet](https://appshunter.io/developer/321412321) |

## What reviewers say

### Model 15 Modular Synthesizer

[App page](https://appshunter.io/ios/app/model-15-modular-synthesizer/id1041465860)

**Currently charting:** #129 Top Paid · Music (US App Store)

This app recreates a legendary modular synthesizer for mobile devices. Explore its iconic modules, experiment with sound design, and create music with intuitive controls and advanced features.

**Highlights:** Iconic Moog module recreation, Monophonic and 4-voice polyphonic operation, Integrated Moog keyboard and ribbon controller, Sequencing arpeggiator, MIDI integration and external control, Looping recorder with overdubbing, AUv3 Audio Unit Extensions support

**Features:** Family Sharing, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Symbiotic Equations | Free | one-time |
| Synthesist Toolkit | Free | one-time |
| Angular Arps | $1.99 | one-time |
| Sonic Mayhem | $2.99 | one-time |
| Sinfonietta Sintesi | $2.99 | one-time |
| Psychotropic Synthesis | $2.99 | one-time |
| Alien Systems | $3.99 | one-time |
| Textural Points | $4.99 | one-time |
| Mid-Century Moog | $4.99 | one-time |
| Dynamic Drones | $4.99 | one-time |
| Mercurial Strategies | $5.99 | one-time |

**What reviewers like**

- 🚀 Incredible sound quality
- 👍 Authentic Moog emulation
- 💡 Great for learning modular synthesis
- 🎨 Beautiful and detailed interface
- 🎹 Expressive MIDI capabilities

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🔍 Difficult to navigate on smaller screens
- 🕹️ Challenging to patch and tweak
- 🔋 High CPU usage

**Reported bugs**

- Arpeggiator direction not working as expected
- Distortion and audio issues on latest iOS versions
- Incompatibility with certain DAWs

**Requested features**

- More in-depth tutorials
- Ability to customize module layout
- Zoom/overview option for entire system
- Expanded preset library
- Midi mapping for arpeggiator


### Drambo

[App page](https://appshunter.io/ios/app/drambo/id1469365718)

This app offers a flexible sound design experience, allowing users to build beats, create synthesizers, and process audio with effects. Its innovative modular system simplifies connections and organization, making it suitable for both beginners and experienced musicians. It functions as a standalone application or a plugin within a DAW.

**Highlights:** Modular sound design, Intuitive cable-less connections, Advanced sequencer, Standalone and AUv3 plugin, Over 140 modules, Polyphonic stereo processing

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Granular extension | $4.99 | one-time |
| Waves extension | $4.99 | one-time |
| Formants extension | $4.99 | one-time |
| DSP extensions 1 | $4.99 | one-time |
| Visual extension | $14.99 | one-time |

**What reviewers like**

- 🚀 Incredibly powerful and flexible
- 🎨 Endless creative possibilities
- 👍 Intuitive and well-designed interface
- 🔧 Modular synth capabilities
- 🎛️ Excellent sequencing and groove box features

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🔒 Limited undo/redo functionality
- 🔊 Audio export issues (pitch/tempo problems)
- 🔀 Lack of dedicated audio track support

**Reported bugs**

- Audio cutting out after 5 minutes of use
- Presets and patches not loading properly
- Incompatibility with certain iOS devices

**Requested features**

- Stem/track export functionality
- MIDI CC learn and external control
- Ableton Link support
- More parameter control and modulation options
- Improved piano roll and sequencing tools


## Frequently asked questions

### Is Model 15 Modular Synthesizer free?

Model 15 Modular Synthesizer costs $29.99, and also offers in-app purchases.

### Is Drambo free?

Drambo costs $24.99, and also offers in-app purchases.

### Which has better reviews, Model 15 Modular Synthesizer or Drambo?

Model 15 Modular Synthesizer is rated higher. Model 15 Modular Synthesizer averages 4.9 out of 5 from 898 ratings, while Drambo averages 4.8 from 330 ratings.

### Do Model 15 Modular Synthesizer or Drambo have ads?

Neither Model 15 Modular Synthesizer nor Drambo shows ads.

### Which is updated more often, Model 15 Modular Synthesizer or Drambo?

Model 15 Modular Synthesizer ships an update every 3 months, and Drambo every 5 weeks. Most recently, Model 15 Modular Synthesizer was updated on October 27, 2026 and Drambo on October 26, 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.*