# Discord4 vs ShockWave

The clearest difference is price: Discord4 at $8.99 against ShockWave's $19.99. Discord4 also leads on iOS requirement (9.3 vs 15.6). ShockWave's advantage is update cadence (every 2 months vs every 10 months) and ratings volume (188 vs 29). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Discord4 costs $8.99 and ShockWave $19.99 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 — 4.7 for Discord4 against 4.6 for ShockWave. That said, the two scores are not equally well evidenced: ShockWave has 188 ratings behind it against 29, so its average is the more settled of the two. Written reviews are what separate them: 61% of Discord4's written reviews are positive against 54% of ShockWave's.

Discord4 ships an update every 10 months, ShockWave every 2 months. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Discord4 | ShockWave |
| --- | --- | --- |
| Price | **$8.99** | $19.99 |
| Rating | **[4.7 (29 ratings)](https://appshunter.io/ios/app/discord4/id1345946446/reviews)** | [4.6 (188 ratings)](https://appshunter.io/ios/app/shockwave-synth-module/id1449844670/reviews) |
| Number of ratings | 29 | **188** |
| Positive reviews | **61.1% of reviews** | 54.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 12 MB | 42 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) | [Kai Aras](https://appshunter.io/developer/370820899) |

## What reviewers say

### Discord4

[App page](https://appshunter.io/ios/app/discord4/id1345946446)

This stereo pitch-shifting delay app offers three distinct algorithms for vintage, clean, or experimental granular effects. It features tempo-synced delays, a reverb in the feedback loop, and flexible LFO modulation for extensive sound design. Control pitch shifts with MIDI and fine-tune effects with buffer size adjustments.

**Highlights:** Three pitch-shifting algorithms (Vintage, Clean, Granular), Tempo-synced and free-running delays, Reverb in feedback loop for shimmer effects, Flexible LFO modulation, MIDI note control for pitch shifting, True stereo operation with panorama controls, Resizable vector-based GUI

**Features:** Vision Pro support

**In-app purchases:** none


### ShockWave

[App page](https://appshunter.io/ios/app/shockwave-synth-module/id1449844670)

This app is a monophonic synthesizer for iOS and AUv3 plugins, utilizing Phase Distortion synthesis. It offers dual PD oscillators, sequencers, LFOs, and envelopes for complex sound design. Almost any control can be modulated by multiple sources, with real-time visual feedback.

**Highlights:** Phase Distortion Synthesis, Dual PD Oscillators, Dual 8-step Sequencers, Dual ASR Envelopes, Tempo-syncable LFOs, Extensive Modulation Matrix, MIDI and MPE Support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Unique and amazing sounds
- 🔊 Heavy and brutal tones
- 💡 Innovative phase distortion synthesis
- 🎨 Beautiful and deep sound sculpting
- 🎹 Great for bass sounds

**What reviewers complain about**

- 🐛 Frequent crashes and glitches
- ❌ Not working in AUM/AUv3
- 🔇 No sound output in certain apps
- ❓ Difficult to use without a manual
- 📉 Laggy UI and slow patch loading

**Reported bugs**

- "Bad Signal" errors in AUM, stops sound generation.
- Intermittent "bad signal" prompt in AUM, requires reloading.
- Sounds awful, very distorted with glitchy UI.
- App crashes frequently.
- No sound coming out of AUv3 in GarageBand.

**Requested features**

- Provide a proper manual detailing all parameters and sections with examples.
- Implement a key trigger option for the sequencer to allow MIDI controller playback.
- Add a poly mode.
- Improve documentation and tutorials.
- Standardize knob appearance and response.


## Frequently asked questions

### Is Discord4 free?

Discord4 costs $8.99, with no in-app purchases.

### Is ShockWave free?

ShockWave costs $19.99, with no in-app purchases.

### Which has better reviews, Discord4 or ShockWave?

Discord4 is rated higher. Discord4 averages 4.7 out of 5 from 29 ratings, while ShockWave averages 4.6 from 188 ratings.

### Do Discord4 or ShockWave have ads?

Neither Discord4 nor ShockWave shows ads.

### Which is updated more often, Discord4 or ShockWave?

Discord4 ships an update every 10 months, and ShockWave every 2 months. Most recently, Discord4 was updated on October 11, 2026 and ShockWave on October 14, 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.*