Comparison

Zero Chorus vs Alien Box

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Roland Dimension D style chorus
  • Feedback control for flanging
  • AUv3 audio unit extension
  • Expanded touch controls
  • Desktop quality algorithm
  • Thickens guitar and synth parts
Read full description

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.

About

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.

Highlights
  • Unique sound enrichment
  • LFO modulated vibes
  • Complex resonator system
  • AUv3 plugin for hosts
  • Standalone app mode
  • Gain, Vibe, Depth, Reverb controls
Features
Read full description

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

Zero Chorus2 screens
Alien Box2 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Zero Chorus versus Alien Box: the parameters behind the verdict, then further details
ParameterZero ChorusAlien Box
Price$2.99$2.99
Rating4.2 (22 ratings) — better1.3 (3 ratings)
Positive reviews42.9% of reviews — better0.0% of reviews
Number of ratings22 — better3
Update frequencyEvery 6 months — betterEvery 38 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.010.0 — better
Further details — not scored
Size15 MB10 MB
Age rating4+4+
DeveloperBlamsoft, Inc.Aleksandar Mlazev

Customer experience

Zero Chorus

All ratings22 ratings
Positive77.3%
Neutral4.5%
Negative18.2%
Written reviews21 reviews
Positive42.9%
Neutral4.8%
Negative52.4%

Alien Box

All ratings3 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Zero Chorus

No in-app purchases

None

Alien Box

No in-app purchases

Questions

Is Zero Chorus free?
Zero Chorus costs $2.99, with no in-app purchases.
Is Alien Box free?
Alien Box costs $2.99, with no in-app purchases.
Which has better reviews, Zero Chorus or Alien Box?
Zero Chorus is rated higher. Zero Chorus averages 4.2 out of 5 from 22 ratings, while Alien Box averages 1.3 from 3 ratings.
Do Zero Chorus or Alien Box have ads?
Neither Zero Chorus nor Alien Box shows ads.
Which is updated more often, Zero Chorus or Alien Box?
Zero Chorus ships an update every 6 months, and Alien Box every 38 months. Most recently, Zero Chorus was updated on September 18, 2026 and Alien Box on August 14, 2026.

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