# PD1 vs Marco Synth

The clearest difference is price: PD1 at $3.99 against Marco Synth's $4.99. On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

PD1 costs $3.99 and Marco Synth $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PD1 ships an update every 6 days, Marco Synth weekly. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PD1 | Marco Synth |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/marco-synth/id6782900508/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Paid | Paid |
| Size | 10 MB | 6 MB |
| Requires iOS | **17.5** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pedro Yamada](https://appshunter.io/developer/1604183940) | [Glenn Vassallo](https://appshunter.io/developer/914825403) |

## What reviewers say

### PD1

[App page](https://appshunter.io/ios/app/pd1-analog-delay/id6450869337)

This app simulates classic analog delay pedals, offering a meaner grit with a ladder filter and random delay-line noise. It's an audio-unit effect designed for musicians seeking unique delay sounds.

**Highlights:** Analog delay simulation, Ladder filter for meaner grit, Random delay-line noise, Audio-unit effect plugin, Classic pedal sound recreation

**Features:** Vision Pro support

**In-app purchases:** none


### Marco Synth

[App page](https://appshunter.io/ios/app/marco-synth/id6782900508)

This powerful synthesizer app offers a unique dual hard sync engine with four independent oscillators. Explore a vast sonic palette with intelligent randomization and a tactile workflow designed for sound discovery. It's suitable for both beginners and experienced musicians.

**Highlights:** Dual hard sync engine, Four independent oscillators, Intelligent randomization, Extensive waveform and filter options, Master FX bus, AUv3 plugin support, Built-in keyboard

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PD1 free?

PD1 costs $3.99, with no in-app purchases.

### Is Marco Synth free?

Marco Synth costs $4.99, with no in-app purchases.

### Do PD1 or Marco Synth have ads?

Neither PD1 nor Marco Synth shows ads.

### Which is updated more often, PD1 or Marco Synth?

PD1 ships an update every 6 days, and Marco Synth weekly. Most recently, PD1 was updated on October 15, 2026 and Marco Synth on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*