# DM10 vs Harmonizr

The clearest difference is price: Harmonizr at $4.99 against DM10's $17.99. DM10's advantage is rating (4.6 vs 4.2) and update cadence (every 4 weeks vs every 4 months). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

DM10 costs $17.99 and Harmonizr $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DM10 holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 54 and 27 respectively. Written reviews complicate that: 72% of DM10's written reviews are positive against 74% of Harmonizr's, so the app with the better star average is not the one people write more warmly about.

DM10 ships an update every 4 weeks, Harmonizr every 4 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | DM10 | Harmonizr |
| --- | --- | --- |
| Price | $17.99 | **$4.99** |
| Rating | **[4.6 (54 ratings)](https://appshunter.io/ios/app/dm10-drum-and-synth-machine/id982224575/reviews)** | [4.2 (27 ratings)](https://appshunter.io/ios/app/harmonizr/id1348742174/reviews) |
| Number of ratings | **54** | 27 |
| Positive reviews | 71.9% of reviews | **73.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | Paid | Paid |
| Best chart rank | #183 | **#178** |
| Size | 454 MB | 5 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fingerlab](https://appshunter.io/developer/412786610) | [Matthew Robbins](https://appshunter.io/developer/1348742173) |

## What reviewers say

### DM10

[App page](https://appshunter.io/ios/app/dm10-drum-and-synth-machine/id982224575)

**Currently charting:** #183 Top Paid · Music (US App Store)

This app is a powerful drum and synthesizer machine for electronic musicians. It offers a modern audio engine with a wide array of drum kits, instruments, and synth presets, alongside advanced sequencing and effects for creative music production.

**Highlights:** 228 drum kits, Bass & Lead synths, AudioUnit support, Polyrhythmic tracks, Advanced sequencing, Real-time FX automation, User drum kit creation

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient drum sequencing
- 👍 Intuitive and easy to use interface
- 👍 Great selection of drum kits
- 👍 Regularly updated with new features
- 👍 Inspiring and fun to use

**What reviewers complain about**

- 🐛 Issues with time signature and step rate
- 🐛 Choke group functionality not working as expected
- 🔧 Limited synth and bass modules

**Reported bugs**

- Dropping the first beat in some cases
- Syncing issues in standalone mode

**Requested features**

- Add probability per step
- Implement true triplets and flams
- Allow tempo changes within a song
- Increase pattern count beyond 45
- Add more time signature options


### Harmonizr

[App page](https://appshunter.io/ios/app/harmonizr/id1348742174)

**Currently charting:** #178 Top Paid · Music (US App Store)

This app allows users to create vocal harmonies by singing along to a melody. It synthesizes up to three harmony voices in the user's own voice and can be controlled via MIDI input or used as an extension in other music production apps.

**Highlights:** Automatic vocal harmony synthesis, Real-time key center selection, MIDI keyboard integration, On-screen MIDI keyboard, Audio Unit (AUV3) extension support, Control via MIDI controller apps

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

**In-app purchases:** none


## Frequently asked questions

### Is DM10 free?

DM10 costs $17.99, with no in-app purchases.

### Is Harmonizr free?

Harmonizr costs $4.99, with no in-app purchases.

### Which has better reviews, DM10 or Harmonizr?

DM10 is rated higher. DM10 averages 4.6 out of 5 from 54 ratings, while Harmonizr averages 4.2 from 27 ratings.

### Do DM10 or Harmonizr have ads?

Neither DM10 nor Harmonizr shows ads.

### Which is updated more often, DM10 or Harmonizr?

DM10 ships an update every 4 weeks, and Harmonizr every 4 months. Most recently, DM10 was updated on November 1, 2026 and Harmonizr on November 6, 2026.

### Which is more popular, DM10 or Harmonizr?

DM10 currently peaks at #183 in the App Store charts, and Harmonizr at #178. Chart position reflects recent download velocity rather than total install base.

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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.*