# DM1 for iPhone vs iOptigan

The clearest difference is rating: iOptigan at 4.8 against DM1 for iPhone's 4.1. iOptigan also leads on review sentiment (92% vs 73%) and chart position (#98 vs unranked). DM1 for iPhone's advantage is price ($4.99 vs $5.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

DM1 for iPhone costs $4.99 and iOptigan $5.99 up front. DM1 for iPhone sells 1 one-off in-app purchase and iOptigan sells 16 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

iOptigan holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 80 and 114 respectively. Written reviews point the same way: 73% of DM1 for iPhone's written reviews are positive against 92% of iOptigan's.

## The numbers

| Metric | DM1 for iPhone | iOptigan |
| --- | --- | --- |
| Price | **$4.99** | $5.99 |
| Rating | [4.1 (80 ratings)](https://appshunter.io/ios/app/dm1-for-iphone/id526650611/reviews) | **[4.8 (114 ratings)](https://appshunter.io/ios/app/ioptigan/id1143470101/reviews)** |
| Number of ratings | 80 | **114** |
| Positive reviews | 73.3% of reviews | **92.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#98** |
| Size | 253 MB | 179 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Fingerlab](https://appshunter.io/developer/412786610) | [Stefan Stenzel](https://appshunter.io/developer/1143470100) |

## What reviewers say

### DM1 for iPhone

[App page](https://appshunter.io/ios/app/dm1-for-iphone/id526650611)

Transform your iPhone into a powerful beat-making machine with this advanced vintage drum machine. Create intricate rhythms with a step sequencer, play beats on drum pads, and apply a wide range of real-time effects. Easily compose songs and export your creations.

**Highlights:** 154 electronic drum kits, Step sequencer, Drum pads with quantized recording, Mixer with channel controls, Real-time FX trackpads, Song composer with timeline editing, Instrument mode for melodies

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Packs | $3.99 | one-time |

**What reviewers like**

- 💎 Best drum machine app
- 🎨 Great variety of drum sounds and kits
- 🎚️ Intuitive and easy to use interface
- 🔊 High-quality sound
- 💰 Excellent value for money

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 📱 Compatibility problems on newer devices
- 🔋 Battery drain
- 🔇 Lack of individual track export
- 🕰️ Inaccurate tempo and timing

**Reported bugs**

- Crashes on launch
- Audio distortion and glitches
- Sync and timing issues when exporting to other apps
- Unresponsive controls and UI elements

**Requested features**

- Add support for more time signatures (3/4, 5/4, etc.)
- Implement Ableton Link for better sync with other apps
- Allow importing and using custom samples
- Add more effects and per-channel processing
- Implement a save/revert function to avoid losing progress


### iOptigan

[App page](https://appshunter.io/ios/app/ioptigan/id1143470101)

**Currently charting:** #98 Top Paid · Music (US App Store)

Experience the unique lo-fi sound of a vintage optical organ on your iOS device. This app faithfully recreates the original instrument's sound and functionality, allowing you to play chord patterns and explore different musical styles. It includes a virtual spring reverb, metronome, and MIDI capabilities for expanded creative control.

**Highlights:** Authentic lo-fi optical organ sound, Virtual spring reverb, Optical metronome, MIDI in/out and chord detection, Sequencer with record/playback, Audio and MIDI file sharing

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Champagne Music | $0.99 | one-time |
| Country Waltz | $0.99 | one-time |
| Romantic Strings | $0.99 | one-time |
| Big Top Marching Band | $0.99 | one-time |
| Polynesian Village | $0.99 | one-time |
| Singing Rhythm | $0.99 | one-time |
| Rollin’ Easy | $0.99 | one-time |
| Movin' | $0.99 | one-time |
| Cathedral Organ | $0.99 | one-time |
| Vox Humana | $0.99 | one-time |
| Country Sunshine | $0.99 | one-time |
| Down Home | $0.99 | one-time |
| Gospel Rock | $0.99 | one-time |
| Guitar Boogie | $0.99 | one-time |
| New Orleans Blues | $0.99 | one-time |
| Complete Disc Pak | $5.99 | one-time |

**What reviewers like**

- 🤩 Incredible sound quality
- 🎶 Unique musical instrument recreation
- ✨ Dream come true for musicians
- 🎹 Great for experimentalists
- 👍 Well-executed and fun

**What reviewers complain about**

- 🐛 Stuck/phantom keys
- 🐛 Audio clipping issues
- 🐛 Left-only headphone audio
- 🐛 Touch issues on bottom row
- 🐛 InterApp Audio broken in Garageband

**Reported bugs**

- Stuck/phantom keys on M1 iPad Pro
- E major plays D Diminished sample
- Bottom row of controls unresponsive
- Audio level clipping, especially when slowing playback
- Left-only headphone audio output

**Requested features**

- Update codebase with AudioKit Engine
- Allow app to run in background
- Add AudioUnit Extension support
- Include newly released sound packs
- Clarify chord identification methods


## Frequently asked questions

### Is DM1 for iPhone free?

DM1 for iPhone costs $4.99, and also offers in-app purchases.

### Is iOptigan free?

iOptigan costs $5.99, and also offers in-app purchases.

### Which has better reviews, DM1 for iPhone or iOptigan?

iOptigan is rated higher. DM1 for iPhone averages 4.1 out of 5 from 80 ratings, while iOptigan averages 4.8 from 114 ratings.

### Do DM1 for iPhone or iOptigan have ads?

Neither DM1 for iPhone nor iOptigan shows ads.

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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.*