Zero Chorus vs Alien Box
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zero Chorus
This audio effect plugin provides a high-quality chorus inspired by the Roland Dimension D, offering a versatile sound without muddy low end. It integrates seamlessly with iOS DAWs and supports expanded controls for easy tweaking.
- Roland Dimension D style chorus
- Feedback control for flanging
- AUv3 audio unit extension
- Expanded touch controls
- Desktop quality algorithm
- Thickens guitar and synth parts
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Looking for a rich chorus effect without a muddy low end? Zero Chorus is a high quality Roland Dimension D style chorus plug-in. The addition of a feedback control improves versatility by enabling flanging effects. Zero Chorus is an Audio Unit Extension (AUv3) that works inside host apps. Just open up your favorite host that supports Audio Units and add it as an effect. The controls expand when touched so they can be easily seen while tweaking. Zero Chorus brings a superb chorus algorithm to your favorite iOS DAW. Compatible with GarageBand, Cubasis, Auria, BeatMaker, AudioBus, AUM, Modstep, and more. Blamsoft brings their experience creating top notch plug-ins for the desktop to iOS. The same algorithm is found in the popular Zero Hybrid Synthesizer Rack Extension for Propellerhead Reason. The available parameters allow you to dial in a wide variety of chorus effects, from transparent to heavy. It's great for thickening electric guitar or synth parts. You get a desktop quality algorithm at an iOS friendly price. Tap Developer Website for sound examples. Note: Second screenshot shows the effect of touching a control.
Alien Box
This audio effect plugin creates a unique sound with increased sustain and gentle, LFO-modulated vibes. It functions as an AUv3 effect for hosts like GarageBand or as a standalone app for real-time audio input processing.
- Unique sound enrichment
- LFO modulated vibes
- Complex resonator system
- AUv3 plugin for hosts
- Standalone app mode
- Gain, Vibe, Depth, Reverb controls
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Alien Box is a completely new kind of audio effect that you have never heard before. It makes the sound big and slightly increases the sustain while adding gentle vibes to it. The vibes are LFO modulated and the effect is using very complex resonator system inside. It is modulation effect and you can compare it to flanger, phaser or chorus but it is not like any of them… The app is an Audio Unit Effect AUV3 and can be used inside GarageBand or other AU host apps as an effect plug-in. Alien Box can also run as a stand alone app adding effect to the audio input so you can play your guitar, bass or synth directly three the app if you have the connector to do so. Alien Box controls: - Gain - you can use it increase the gain and sustain - Vibe - main tone and background vibes balance - Depth - controls the modulations depth - Reverb - adds reverb to the background vibes
Screenshots
Verdict
The clearest difference is review sentiment: Zero Chorus at 43% against Alien Box's 0%. Zero Chorus also leads on rating (4.2 vs 1.3) and monetization model (free vs paid). Alien Box's advantage is iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Zero Chorus costs $2.99 and Alien Box $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Zero Chorus holds the better App Store score, 4.2 against 1.3. That said, the two scores are not equally well evidenced: Zero Chorus has 22 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 43% of Zero Chorus's written reviews are positive against 0% of Alien Box's.
Zero Chorus ships an update every 6 months, Alien Box every 38 months. The most recent releases landed on September 18, 2026 and August 14, 2026 respectively.
| Parameter | Zero Chorus | Alien Box |
|---|---|---|
| Price | $2.99 | $2.99 |
| Rating | 4.2 (22 ratings) — better | 1.3 (3 ratings) |
| Positive reviews | 42.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 22 — better | 3 |
| Update frequency | Every 6 months — better | Every 38 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Blamsoft, Inc. | Aleksandar Mlazev |
Customer experience
Zero Chorus
Alien Box
In-app purchases
Zero Chorus
No in-app purchases
Alien Box
No in-app purchases









