# ChordWeave vs Opaline FM

The clearest difference is in-app purchases: Opaline FM at none against ChordWeave's 4. Opaline FM also leads on iOS requirement (16.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ChordWeave sells 4 in-app purchases, starting at $1.99 per 7 days. Opaline FM asks for nothing beyond the download.

ChordWeave ships an update every 10 days, Opaline FM every 6 days. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ChordWeave | 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 6 days** |
| Monetization | — | Free |
| Size | 4 MB | 3 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dotdotdotapps LLC](https://appshunter.io/developer/968138988) | [Hideki Konishi](https://appshunter.io/developer/6790603370) |

## What reviewers say

### ChordWeave

[App page](https://appshunter.io/ios/app/chordweave-chord-progressions/id6760487549)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChordWeave Weekly | $1.99 | per 7 days |
| ChordWeave Monthly | $3.99 | per month |
| ChordWeave Annual | $27.99 | per year |
| ChordWeave Premium | $49.99 | one-time |


### 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 ChordWeave free?

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

### Is Opaline FM free?

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

### Do ChordWeave or Opaline FM have ads?

Neither ChordWeave nor Opaline FM shows ads.

### Which is updated more often, ChordWeave or Opaline FM?

ChordWeave ships an update every 10 days, and Opaline FM every 6 days. Most recently, ChordWeave was updated on November 13, 2026 and Opaline FM 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.*