# NERD Synth A2x + AUv3 vs Moon Echo

The clearest difference is price: Moon Echo at Free against NERD Synth A2x + AUv3's $5.99. Moon Echo also leads on review sentiment (100% vs 90%) and iOS requirement (12.0 vs 14.4). NERD Synth A2x + AUv3's advantage is ratings volume (1.3K vs 20) and chart position (#183 vs unranked). On rating, ads, in-app purchases and device support there is nothing between them.

Moon Echo is free to download; NERD Synth A2x + AUv3 costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for NERD Synth A2x + AUv3 against 4.8 for Moon Echo. That said, the two scores are not equally well evidenced: NERD Synth A2x + AUv3 has 1.3K ratings behind it against 20, so its average is the more settled of the two. Written reviews are what separate them: 90% of NERD Synth A2x + AUv3's written reviews are positive against 100% of Moon Echo's.

## The numbers

| Metric | NERD Synth A2x + AUv3 | Moon Echo |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.9 (1.3K ratings)](https://appshunter.io/ios/app/nerd-synth-a2x-plus-auv3/id6478898564/reviews)** | [4.8 (20 ratings)](https://appshunter.io/ios/app/moon-echo/id6503342104/reviews) |
| Number of ratings | **1.3K** | 20 |
| Positive reviews | 90.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Paid | **Free** |
| Best chart rank | **#183** | — |
| Size | 242 MB | 21 MB |
| Requires iOS | 14.4 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AudioKit Pro](https://appshunter.io/developer/1307785645) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### NERD Synth A2x + AUv3

[App page](https://appshunter.io/ios/app/nerd-synth-a2x-plus-auv3/id6478898564)

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

This virtual analog synthesizer offers a powerful and intuitive sound design experience, inspired by classic hardware. Explore over 40 classic waveforms, a versatile arpeggiator, step sequencer, and lush effects to craft unique electronic music.

**Highlights:** Virtual Analog Synthesizer, 40+ Classic Waveforms, Arpeggiator, Step Sequencer, Lush Effects Suite, Four-voice Unison, AUv3 Plugin Support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ⭐ Outstanding synth
- 👍 Very nice and rich sounding
- 🎨 Great presets and sound design
- 🔧 Easy to use and intuitive
- 💻 Works well in AUv3 environments

**What reviewers complain about**

- 🐛 Doesn't show up in Logic
- 🔧 Needs to be more Mac-compatible
- 🔧 Changing presets can be sluggish
- 🔧 Missing aftertouch/expression support

**Reported bugs**

- Doesn't fit properly in Logic Pro for iPad
- Keyboard keys get stuck when using a controller

**Requested features**

- Dark mode option
- Undo/redo functionality
- Improved Logic Pro integration
- Ability to change color scheme


### Moon Echo

[App page](https://appshunter.io/ios/app/moon-echo/id6503342104)

This free music app simulates echoes using the moon as a radio wave reflector. It creates unique, lively, and lo-fi effects modulated by celestial movements, offering a playful tool for both musicians and space enthusiasts.

**Highlights:** Moon-based echo simulation, Lo-fi musical effect, Celestial modulation, Space education tool, AUv3 and Standalone support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NERD Synth A2x + AUv3 free?

NERD Synth A2x + AUv3 costs $5.99, with no in-app purchases.

### Is Moon Echo free?

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

### Which has better reviews, NERD Synth A2x + AUv3 or Moon Echo?

NERD Synth A2x + AUv3 is rated higher. NERD Synth A2x + AUv3 averages 4.9 out of 5 from 1.3K ratings, while Moon Echo averages 4.8 from 20 ratings.

### Do NERD Synth A2x + AUv3 or Moon Echo have ads?

Neither NERD Synth A2x + AUv3 nor Moon Echo 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.*