# SynthStamp vs DruML Companion

The clearest difference is price: DruML Companion at Free against SynthStamp's $4.99. SynthStamp's advantage is update cadence (weekly vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

DruML Companion is free to download; SynthStamp costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SynthStamp ships an update weekly, DruML Companion every 2 months. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SynthStamp | DruML Companion |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.4 (12 ratings)](https://appshunter.io/ios/app/synthstamp/id6760490718/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 43.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Paid | — |
| Size | 59 MB | 21 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Musicology Group, Inc.](https://appshunter.io/developer/1061725506) | [Michael Campbell](https://appshunter.io/developer/1896579088) |

## What reviewers say

### SynthStamp

[App page](https://appshunter.io/ios/app/synthstamp/id6760490718)

Explore vintage synthesizers with fully modeled engines and familiar interfaces. Patch, save, and share your creations across devices. Features real-time effects processing and models based on iconic hardware.

**Highlights:** Fully modeled vintage synth engines, Patchable semi-modular synthesizer, Circuit-bendable sampling keyboard, Real-time effects processing, Audio Unit (AUv3) plugin support, Cross-device preset sharing

**Features:** Vision Pro support

**In-app purchases:** none


### DruML Companion

[App page](https://appshunter.io/ios/app/druml-companion/id6768497875)

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

**In-app purchases:** none


## Frequently asked questions

### Is SynthStamp free?

SynthStamp costs $4.99, with no in-app purchases.

### Is DruML Companion free?

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

### Do SynthStamp or DruML Companion have ads?

Neither SynthStamp nor DruML Companion shows ads.

### Which is updated more often, SynthStamp or DruML Companion?

SynthStamp ships an update weekly, and DruML Companion every 2 months. Most recently, SynthStamp was updated on October 25, 2026 and DruML Companion on October 19, 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.*