# Core Synth HD vs Unique for iPad

Core Synth HD and Unique for iPad both sit at 3.4 stars, but that hides the real split: 63% of Unique for iPad's written reviews are positive against 31% of Core Synth HD's. Unique for iPad also leads on update cadence (every 6 weeks vs every 4 months) and ratings volume (18 vs 5). Core Synth HD's advantage is iOS requirement (8.0 vs 17.6). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Core Synth HD sells 1 one-off in-app purchase and Unique for iPad sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 3.4 for Core Synth HD against 3.4 for Unique for iPad. Both are backed by a comparable volume of ratings — 5 and 18 respectively. Written reviews are what separate them: 31% of Core Synth HD's written reviews are positive against 63% of Unique for iPad's.

Core Synth HD ships an update every 4 months, Unique for iPad every 6 weeks. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Core Synth HD | Unique for iPad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/core-synth-hd/id446631941/reviews)** | [3.4 (18 ratings)](https://appshunter.io/ios/app/unique-for-ipad-analog-synth/id1213411818/reviews) |
| Number of ratings | 5 | **18** |
| Positive reviews | 30.6% of reviews | **63.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 32 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Core Engine Apps](https://appshunter.io/developer/382236096) | [Sugar Bytes GmbH](https://appshunter.io/developer/614418826) |

## What reviewers say

### Core Synth HD

[App page](https://appshunter.io/ios/app/core-synth-hd/id446631941)

Create music with a powerful monophonic synthesizer for iPad. Explore dual oscillators, customizable filters, and an arpeggiator. Save your custom sounds and enhance your live performances with intuitive controls.

**Highlights:** Dual overlapping oscillators, Four wave patterns, Low Pass Filter with ADSR, Volume Envelope Shaper (ADSR), Arpeggiator with multiple modes, Save unlimited patches

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version Upgrade | $1.99 | one-time |

**What reviewers like**

- 👍 Good for learning basics
- 🎶 Nice retro sound emulation
- 💰 Great value for free/low cost
- 🎹 All controls visible
- 💡 Simple and clear interface

**What reviewers complain about**

- 🔇 No sound issues
- 🔇 Sound stopped working
- 🔇 No sound after purchase
- 🔇 No sound on specific iOS versions
- 🐛 Glitching/microclicks

**Reported bugs**

- No sound on iPad Pro
- No sound on iOS 12
- No sound since last update
- Program doesn't start after update
- Ad blocks view

**Requested features**

- Add MIDI support
- Add Audiobus support
- Add recording with copy/paste
- Add sine wave for sub basses
- Add polyphony option


### Unique for iPad

[App page](https://appshunter.io/ios/app/unique-for-ipad-analog-synth/id1213411818)

This app creates unique analog synth sounds with a wide sonic spectrum. It features two oscillators with multiple waveforms, a sub-oscillator, and a versatile filter section including a unique Vowel Filter. Enhance your sounds with LFOs, envelopes, an XY field, a sequencer, and dual multi-effect units.

**Highlights:** Multiple oscillator waveforms, Sub-oscillator for added depth, Versatile filter section, Unique Vowel Filter, Dual multi-effect units, Recordable XY field and sequencer, Ableton Link and MIDI support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unique Full Version | $19.99 | one-time |


## Frequently asked questions

### Is Core Synth HD free?

Core Synth HD is free to download, with in-app purchases available.

### Is Unique for iPad free?

Unique for iPad is free to download, with in-app purchases available.

### Which has better reviews, Core Synth HD or Unique for iPad?

Core Synth HD is rated higher. Core Synth HD averages 3.4 out of 5 from 5 ratings, while Unique for iPad averages 3.4 from 18 ratings.

### Do Core Synth HD or Unique for iPad have ads?

Neither Core Synth HD nor Unique for iPad shows ads.

### Which is updated more often, Core Synth HD or Unique for iPad?

Core Synth HD ships an update every 4 months, and Unique for iPad every 6 weeks. Most recently, Core Synth HD was updated on October 20, 2026 and Unique for iPad on October 22, 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.*