# Synth — Modern polyphonic synthesizer

> Polyphonic synthesizer for iPad with sound design and integration features. (iPhone/iPad app by Retronyms Inc.)

- Source: https://appshunter.io/ios/app/synth/id364905862 (this page in markdown: same URL + `.md`)
- Developer: [Retronyms Inc](https://appshunter.io/developer/307726643)
- Category: Music, Entertainment
- Price: $0.99 with in-app purchases
- Rating: 3.10/5 from 20 App Store ratings · 250 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 21 MB
- Languages: American English
- Released: 2010-04-01
- Data updated: 2026-07-27
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/synth/id364905862/reviews.md

## What is Synth?

Synth is an incredible polyphonic synthesizer for your iPad. Create your own sounds with the microphone, and relive all of your Casio SK1 dreams. Synth was used by Gorillaz in recording their album, “The Fall.” Synth’s parameter editor provides professional control and sound design via an in-app purchase. 

Connect Synth to drum machines, sequencers, and more in Tabletop for iPad. Tabletop is an expandable studio with over a dozen included musical devices. Tabletop is a modular environment where you can mix and match different devices. Select from over 40 devices including samplers, mixers, effects, sequencers and more. Buy only the gear you need from an expanding catalog. 

Need help? Email support@retronyms.com and we’ll answer your questions. 

Main Features: 
- Mod wheel
- Pitch-bend wheel
- Adjustable delay
- Adjustable distortion

## Key features

- Polyphonic synthesis
- Microphone sound creation
- Parameter editor (in-app purchase)
- Tabletop integration
- Mod wheel
- Pitch-bend wheel
- Adjustable delay and distortion

## Pricing and in-app purchases

Base price: $0.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Patch Editor | $0.99 | one-time |
| Synth Skin Pack | $4.99 | one-time |


## What do users think of Synth?

Overall sentiment: mixed

**Pros**

- 👍 Great synth with lots of settings and options
- 🎨 Awesome retro/vintage sounds
- 💡 Useful for creating sound effects
- 🎹 Simple and easy to use keyboard

**Cons**

- 🐛 No MIDI support
- 🔌 Not compatible with other apps like Tabletop
- 🔒 Lacks advanced features like ADSR, filters, LFO
- 🔇 No recording or export functionality

**Commonly reported bugs**

- Pitch bend control reverts back to default
- Occasional crashes or freezes

**Most requested features**

- Add MIDI support
- Integrate with Tabletop and other music apps
- Implement ADSR, filters, LFO, and other synthesis controls
- Add recording and export capabilities

## Recent user reviews (10 of 250)

All indexed reviews: https://appshunter.io/ios/app/synth/id364905862/reviews.md

### 1/5 — Non funziona!

*2025-09-25, version 2.23*

Va bene ho speso 0’99 centesimi, ma non riesco neanche ad aprirlo!!! Dovrebbero dirlo se c’è qualche controindicazione con i “vecchi” IPad !! Ci sono rimasto male!

### 1/5 — Lipa

*2024-08-25, version 2.23*

U mnie nie działa…

### 5/5 — iPadOS issues

*2024-07-13, version 2.23*

It’s not opening in iPadOS 17.5.1

### 2/5 — 落ちて開かない

*2024-02-09, version 2.23*

アプリを開こうとしたところ､落ちてばかりで開かなくなりました。これでは使えません。よろしく対応をお願い致します。

追記 
再インストールしてアプリを開こうとしましたが、全然状況変わらず。

再追記
もうインストール可能かとインストールしましたが、何も変わらず。
一体､どうなってるんでしょう？
何故このアプリが有料ランキング入りしてるのか､全く謎です。

### 4/5 — Brilliant & Fun Synth

*2023-12-17, version 2.23*

What can i say, the Apps a great little synth with some fair amount of settings and options, been loving having a blast with it over the weekend, some sounds and effects really took me back to the days of old lol, I will be making and using this app for making  some  awesome sound fx’s for my own apps.

### 1/5 — This is app is crap!

*2023-03-29, version 2.23*

No MIDI support and it doesn’t work with their Tabletop app.

### 1/5 — Not compatible with own apps

*2020-11-06, version 2.23*

Not compatible with mpc

### 1/5 — Hoy can I restore My purcaches

*2017-10-11, version 2.23*

Hoy can I restore My purcaches

### 5/5 — Dope

*2017-05-23, version 2.22*

Thanks guys

### 4/5 — Synth

*2017-03-10, version 2.22*

It,s a good synth with some nice sounds.Would be great if you could use this with a midi keyboard.It goes without saying that the ability to use it with Audiobus would be very useful.
Brian.

## Frequently asked questions about Synth

### What is Synth?

Synth is a polyphonic synthesizer application designed for the iPad. It allows users to create their own sounds, reminiscent of classic keyboards, and offers professional sound design capabilities through an in-app purchase.

### What are the main features of Synth?

Key features include polyphonic synthesis, the ability to create sounds using the microphone, a parameter editor for advanced sound design (available via in-app purchase), and integration with Tabletop for connecting to other music devices like drum machines and sequencers. It also includes a mod wheel, pitch-bend wheel, adjustable delay, and adjustable distortion.

### How much does Synth cost?

The base application is free to download. Advanced sound design features are available through an in-app purchase, indicating a freemium monetization model.

### What devices is Synth compatible with?

Synth is specifically designed for the iPad. It can also connect with other music production tools like drum machines and sequencers within the Tabletop environment for iPad.

### Can I use Synth with other music software?

Yes, Synth can be connected to drum machines, sequencers, and other musical devices within the Tabletop environment for iPad. This allows for a more expansive and modular music production setup.

## Version history (last 5 releases)

### 2.23 — 2017-09-15

This app has been updated by Apple to display the Apple Watch app icon.

We updated Synth to be compatible with iOS 11.

### 2.22 — 2012-09-06

-4 user created sample patches instead of 1
-Bug fixes

### 2.21 — 2011-08-31

Custom skin pack is now available for free!

### 2.2 — 2011-03-06

The Synth Power Pack add-on, which includes:
* 5 bold new looks for Synth, and
* 20 exclusive presets

### 2.1 — 2010-06-16

Synth 2.1 adds a metronome and fixes a few bugs.

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## More apps by Retronyms Inc

- [Tabletop](https://appshunter.io/ios/app/tabletop/id436080882)
- [AudioCopy](https://appshunter.io/ios/app/audiocopy/id719137307)
- [Stryke](https://appshunter.io/ios/app/stryke/id870787312)
- [Wej](https://appshunter.io/ios/app/wej/id925993443)
- [Phase84](https://appshunter.io/ios/app/phase84/id940880314)

All apps by Retronyms Inc: https://appshunter.io/developer/307726643

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-27.*