# Planetone vs DUET Synth

The clearest difference is ads: Planetone at none against DUET Synth's shown. Planetone also leads on iOS requirement (11.0 vs 18.0). DUET Synth's advantage is update cadence (daily vs every 25 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Planetone ships an update every 25 months, DUET Synth daily. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Planetone | DUET Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (19 ratings)](https://appshunter.io/ios/app/planetone-music-sequencer/id1321794464/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Daily** |
| Monetization | Free | — |
| Size | 52 MB | 2 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michael Shillingburg](https://appshunter.io/developer/1097449833) | [todd cunningham](https://appshunter.io/developer/6805709513) |

## What reviewers say

### Planetone

[App page](https://appshunter.io/ios/app/planetone-music-sequencer/id1321794464)

Create unique melodies and rhythms by cultivating a musical garden. Use different plant types to generate evolving sounds, permanent tunes, randomized notes, and rhythmic beats.

**Highlights:** Melody creation with time-based sprouts, Permanent melody generation with trees, Randomized note sequences with mushrooms, Rhythmic beat creation with cacti, Intuitive musical garden interface

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

**In-app purchases:** none


### DUET Synth

[App page](https://appshunter.io/ios/app/duet-synth/id6806688536)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Planetone free?

Planetone is free to download, with no in-app purchases.

### Is DUET Synth free?

DUET Synth is free to download, with no in-app purchases.

### Do Planetone or DUET Synth have ads?

DUET Synth shows ads; Planetone does not.

### Which is updated more often, Planetone or DUET Synth?

Planetone ships an update every 25 months, and DUET Synth daily. Most recently, Planetone was updated on November 2, 2026 and DUET Synth on October 31, 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.*