# iSequence HD vs Theremini Advanced Software Editor

The clearest difference is in-app purchases: Theremini Advanced Software Editor at none against iSequence HD's 8. Theremini Advanced Software Editor also leads on iOS requirement (5.1.1 vs 15.6). iSequence HD's advantage is rating (4.2 vs 3.8) and review sentiment (77% vs 60%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. iSequence HD sells 8 one-off in-app purchases. Theremini Advanced Software Editor asks for nothing beyond the download.

iSequence HD holds the better App Store score, 4.2 against 3.8. Both are backed by a comparable volume of ratings — 33 and 13 respectively. Written reviews point the same way: 77% of iSequence HD's written reviews are positive against 60% of Theremini Advanced Software Editor's.

iSequence HD ships an update every 3 months, Theremini Advanced Software Editor every 4 months. The most recent releases landed on August 16, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | iSequence HD | Theremini Advanced Software Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (33 ratings)](https://appshunter.io/ios/app/isequence-hd/id369873168/reviews)** | [3.8 (13 ratings)](https://appshunter.io/ios/app/theremini-advanced-software-editor/id929763039/reviews) |
| Number of ratings | **33** | 13 |
| Positive reviews | **76.6% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 156 MB | 50 MB |
| Requires iOS | 15.6 | **5.1.1** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [BeepStreet](https://appshunter.io/developer/321412321) | [Moog Music Inc.](https://appshunter.io/developer/396776421) |

## What reviewers say

### iSequence HD

[App page](https://appshunter.io/ios/app/isequence-hd/id369873168)

Create professional music on your iPad with an intuitive 8-track sequencer, a vast library of instruments, and flexible mixing with DSP effects. Record, edit, and arrange loops, beats, and melodies in real-time, controlling every aspect of your music project.

**Highlights:** 8-track sequencer, 160+ built-in instruments, Custom instrument sampler, Real-time recording and automation, Step sequencer and FX editor, Flexible mixer with DSP effects, Wi-Fi file sharing

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Funny farm bank | $1.99 | one-time |
| Chiptunes bank | $1.99 | one-time |
| Acoustic bank | $2.99 | one-time |
| Electro/house bank | $2.99 | one-time |
| Trance waves | $2.99 | one-time |
| Loops vol.1 | $2.99 | one-time |
| Loops vol.2 | $2.99 | one-time |
| Beat elements bank | $2.99 | one-time |

**What reviewers like**

- 🚀 Powerful sequencer
- 👍 Intuitive interface
- 🎨 Great sound quality
- 💰 Good value for money
- 🎶 Excellent for music creation

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🔇 Limited audio export options
- 🔒 Lack of Audiobus/Inter-App Audio support
- 🔢 Limited track count
- 🔀 Difficulty with time signatures and polyrhythms

**Reported bugs**

- Crashes on startup or during use
- Issues with sample loading and playback
- Inconsistent behavior with certain features
- Compatibility problems with newer iOS versions

**Requested features**

- Expanded track count
- More effects and sound design capabilities
- Audiobus and Inter-App Audio integration
- Improved sample import and management
- Support for more time signatures and rhythms


### Theremini Advanced Software Editor

[App page](https://appshunter.io/ios/app/theremini-advanced-software-editor/id929763039)

This application allows users to deeply customize and manage sounds for their Moog Theremini hardware synthesizer. It provides tools to create new presets, edit existing ones, and organize sound libraries. Users can also access an exclusive library of new presets to enhance their creative process.

**Highlights:** Create new presets, Edit existing presets, Craft new sounds in real-time, Manage preset libraries, Share sound libraries, Edit global settings

**In-app purchases:** none


## Frequently asked questions

### Is iSequence HD free?

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

### Is Theremini Advanced Software Editor free?

Theremini Advanced Software Editor is free to download, with no in-app purchases.

### Which has better reviews, iSequence HD or Theremini Advanced Software Editor?

iSequence HD is rated higher. iSequence HD averages 4.2 out of 5 from 33 ratings, while Theremini Advanced Software Editor averages 3.8 from 13 ratings.

### Do iSequence HD or Theremini Advanced Software Editor have ads?

Neither iSequence HD nor Theremini Advanced Software Editor shows ads.

### Which is updated more often, iSequence HD or Theremini Advanced Software Editor?

iSequence HD ships an update every 3 months, and Theremini Advanced Software Editor every 4 months. Most recently, iSequence HD was updated on August 16, 2026 and Theremini Advanced Software Editor on June 1, 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.*