# DoDon vs Opaline FM

The clearest difference is device support: DoDon at 3 against Opaline FM's 1. DoDon also leads on iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | DoDon | Opaline FM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/opaline-fm/id6790603368/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Monetization | — | Free |
| Size | 21 MB | 3 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hiroe Oshimura](https://appshunter.io/developer/1592216886) | [Hideki Konishi](https://appshunter.io/developer/6790603370) |

## What reviewers say

### DoDon

[App page](https://appshunter.io/ios/app/dodon/id6753098478)

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

**In-app purchases:** none


### Opaline FM

[App page](https://appshunter.io/ios/app/opaline-fm/id6790603368)

Create and perform music with a virtual keyboard and advanced sound editing tools. Explore various playing modes, connect external MIDI devices, and manage your sound library. Offers deep control over FM synthesis parameters.

**Highlights:** Virtual keyboard for immediate performance, Detailed sound editing (algorithm, operators, envelopes, LFO, effects), Poly/Mono and Full/Fingered portamento, Single, Dual, and Split playing modes, External MIDI keyboard support, 32-voice SysEx bank management, Built-in reverb, delay, chorus, and tone effects

**In-app purchases:** none


## Frequently asked questions

### Is DoDon free?

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

### Is Opaline FM free?

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

### Do DoDon or Opaline FM have ads?

Neither DoDon nor Opaline FM 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.*