# moodunits vs Copperhead

The clearest difference is price: moodunits at $2.99 against Copperhead's $14.99. moodunits also leads on update cadence (every 5 days vs every 3 weeks) and chart position (#193 vs unranked). Copperhead's advantage is in-app purchases (none vs 12) and rating (4.7 vs 4.5). On ratings volume, ads, device support and iOS requirement there is nothing between them.

moodunits costs $2.99 and Copperhead $14.99 up front. moodunits sells 12 one-off in-app purchases. Copperhead asks for nothing beyond the download.

Copperhead holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 48 and 18 respectively. Written reviews complicate that: 92% of moodunits's written reviews are positive against 83% of Copperhead's, so the app with the better star average is not the one people write more warmly about.

moodunits ships an update every 5 days, Copperhead every 3 weeks. The most recent releases landed on September 7, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | moodunits | Copperhead |
| --- | --- | --- |
| Price | **$2.99** | $14.99 |
| Rating | [4.5 (48 ratings)](https://appshunter.io/ios/app/moodunits/id1521447619/reviews) | **[4.7 (18 ratings)](https://appshunter.io/ios/app/copperhead/id6444207037/reviews)** |
| Number of ratings | **48** | 18 |
| Positive reviews | **92.3% of reviews** | 83.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#193** | — |
| Size | 23 MB | 69 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rob Jackson](https://appshunter.io/developer/1072346998) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### moodunits

[App page](https://appshunter.io/ios/app/moodunits/id1521447619)

**Currently charting:** #193 Top Paid · Music (US App Store)

This app provides a collection of instrument and effect Audio Units for music production. It is not a standalone application but integrates with AUv3 compatible hosts like GarageBand and AUM on iOS devices.

**Highlights:** Sample-based instrument (Waverley), 30 factory sounds with tweakable parameters, Basic audio effects (delay, reverb, EQ, etc.), Light on CPU usage, Access to PDF user guide, MU Store for additional downloads

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MU Waverley Mobass | Free | one-time |
| MU Waverley Factory | Free | one-time |
| MU Waverley Scapers | Free | one-time |
| MU Waverley MegaPortaPad | Free | one-time |
| MU Waverley ARC | Free | one-time |
| MU Waverley ESC | Free | one-time |
| MU Waverley GRANALOG | Free | one-time |
| MU Waverley Stringz | $0.99 | one-time |
| MU Waverley Mellopiano | $0.99 | one-time |
| MU Waverley Pianoatmos | $0.99 | one-time |
| MU Waverley ATMOSPADZ | $0.99 | one-time |
| MU Waverley Evoebo | $0.99 | one-time |


### Copperhead

[App page](https://appshunter.io/ios/app/copperhead/id6444207037)

This digital synthesizer plugin offers a vintage 80's sound with modern features like multi-note polyphony, an arpeggiator, and integrated audio effects. Design custom waveforms, explore various modulation options, and utilize a powerful sequencer to craft unique sounds.

**Highlights:** AUv3 compatible, Multi-note polyphony, Integrated arpeggiator, Customizable waveforms, Integrated audio effects, 32-step sequencer, Preset Manager

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is moodunits free?

moodunits costs $2.99, and also offers in-app purchases.

### Is Copperhead free?

Copperhead costs $14.99, with no in-app purchases.

### Which has better reviews, moodunits or Copperhead?

Copperhead is rated higher. moodunits averages 4.5 out of 5 from 48 ratings, while Copperhead averages 4.7 from 18 ratings.

### Do moodunits or Copperhead have ads?

Neither moodunits nor Copperhead shows ads.

### Which is updated more often, moodunits or Copperhead?

moodunits ships an update every 5 days, and Copperhead every 3 weeks. Most recently, moodunits was updated on September 7, 2026 and Copperhead on September 3, 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.*