# PatchLens vs TD3 Studio

The clearest difference is price: PatchLens at Free against TD3 Studio's $22.99. TD3 Studio's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs weekly). On ads, device support and iOS requirement there is nothing between them.

PatchLens is free to download; TD3 Studio costs $22.99 up front. PatchLens sells 1 one-off in-app purchase. TD3 Studio asks for nothing beyond the download.

PatchLens ships an update weekly, TD3 Studio every 3 days. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PatchLens | TD3 Studio |
| --- | --- | --- |
| Price | **Free** | $22.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | — | Paid |
| Size | 7 MB | 13 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Clashware Sàrl](https://appshunter.io/developer/1837470365) | [Johan Nieuwhoff](https://appshunter.io/developer/6811815522) |

## What reviewers say

### PatchLens

[App page](https://appshunter.io/ios/app/patchlens-synth-patches/id6775509583)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $4.99 | one-time |


### TD3 Studio

[App page](https://appshunter.io/ios/app/td3-studio/id6811815519)

This application converts MIDI files into patterns for the Behringer TD-3 or TD-3-MO synthesizer. It allows users to build and edit patterns step-by-step, with or without the physical hardware, using an on-screen keyboard and simulator.

**Highlights:** MIDI file to pattern conversion, Step-by-step pattern building, On-screen keyboard and MIDI input, Built-in TD-3 simulator, Accents, slides, ties, and rests editing, Library management via Files app, Cross-platform compatibility (iPhone, iPad, Mac)

**In-app purchases:** none


## Frequently asked questions

### Is PatchLens free?

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

### Is TD3 Studio free?

TD3 Studio costs $22.99, with no in-app purchases.

### Do PatchLens or TD3 Studio have ads?

Neither PatchLens nor TD3 Studio shows ads.

### Which is updated more often, PatchLens or TD3 Studio?

PatchLens ships an update weekly, and TD3 Studio every 3 days. Most recently, PatchLens was updated on October 17, 2026 and TD3 Studio on October 11, 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.*