Comparison

ChStrip vs AltiSpace 2

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

Head to head
About

ChStrip

This audio plugin offers a three-band equalizer and a dynamic range compressor for music production. It incorporates analog circuit modeling techniques for a natural sound. Ideal for tracking and mixing, it enhances audio quality with precise control.

Highlights
  • 3-band equalizer
  • Low shelving filter
  • Mid peak/notch filter
  • High shelving filter
  • Stereo dynamic range compressor
  • Feedback topology
  • Side chain high pass filter
Features
Read full description

ChStrip is an AudioUnit Extension channel strip plugin which contains an equalizer and a compressor for tracking and mixing. The equalizer is a three band EQ consists of low shelving filter, mid peak / notch filter and high shelving filter. The compressor is a dynamic range compression module uses feed-back topology for natural and musical sound. Both of the equalizer and compressor are not emulation of the particular hardware, but they are build by incorporating the techniques used for the analog circuit modeling. Features ChStrip (AUv3) Equalizer - 3-band EQ, Low Shelving filter, Mid Peak / Notch filter and High Shelving filter. - This Mid filter is different from the mid filter of the channel equalizer plugin. Bandwidth is wider (1 octave) and gain is reduced (+/- 14 dB) Compressor - Stereo dynamic range compression - Feedback topology (Implemented by delay free feedback loop) - Side chain high pass filter - Soft clip, Peak Limiter - Auto fade in and auto fade out Host Application Host application uses system audio input as an audio source and processed audio signal is routed to the system audio output.

About

AltiSpace 2

This app offers advanced convolution reverb with realistic acoustic simulations and famous hardware device presets. It allows users to import their own impulse responses and provides extensive controls for EQ, gating, modulation, and more to shape unique sounds.

Highlights
  • Import custom impulse response files
  • Library of famous hardware reverb presets
  • Advanced EQ, gate, and ducking controls
  • Modulation and pitch shifting effects
  • MIDI controller support
  • Stereo and mono input processing
Features
Read full description

AltiSpace is a convolution reverb app with advanced controls that provides realistic sounding natural acoustic space or the most famous reverb devices for any track or mix. A convolution reverb takes a captured sample (called an impulse response) from a real-world space or hardware and uses this to digitally simulate the reverberation of that space or device down to the last detail and nuance. Because it is sampled, not synthesized, convolution reverb is known for its stunning realism, and it is widely considered to be the best type of reverb. However, unlike the more common algorithmic reverbs, convolution reverbs usually does not have much control over the reverberation process. But AltiSpace, in addition to the ability to load your own impulse response files and a built-in library of real reverb device presets, has advanced settings such as EQ, gate, ducking, modulation and more. You can change the original impulse response parameters to something completely new and then save it as a new preset. This app has an easy-to-use user interface, where all the main controls are located on the single screen, and it is ready to use right out of the box, even without additional settings. And at the same time, you can easily change the parameters of the impulse responses from the built-in library to create your own sound. App features: Ability to import your own impulse response files. A large built-in library of presets from the most famous hardware reverbs. Convenient preset manager with the ability to group and search presets. Presets can be marked as favorites for display in the favorites group. Supports MIDI controllers (also Bluetooth) with learn or manually assign mode. Reverb can work with a stereo or mono input and convert it to stereo. Add dynamic noise before reverb for a more natural sound. The gate allows you to turn on the reverb when the threshold is exceeded. The ducking allows you to turn off the reverb when the threshold is exceeded. Sets the minimum reverb level for Gate and Ducking modes. Equalizer with high and low cut filters in chain before or after reverb. Changing the time (length) of the current impulse response. Possibility to set a fade out point for a smooth end of the impulse response. Sets the pre-delay time of the signal before reverb. Experimental feature to change the pitch of the impulse response. Amplifying early or late reflections. Adjusts the stereo image before the reverb. Haas effect for adding stereo space to a mono signal. Sets the depth and frequency of modulation the signal before reverb. Mixing dry / wet signal and adjusting the output level. Four-channel mode for better stereo ambience. Input and output level meters. Indicators of possible input clipping for standalone. Prevents any output clipping for standalone. Built-in full description of all controls. Demo: https://www.youtube.com/watch?v=WBHxgjkGCoU https://www.youtube.com/watch?v=GLNi9wHaGew https://www.youtube.com/watch?v=A3RPopor9gI AltiSpace is a universal application for iOS and macOS. It can work on iPhone and iPad as well as Mac / MacBook with M1 chip (and later). AltiSpace works on iPhone and iPad standalone, as an Audio Unit or Inter-App Audio module, and supports Audiobus. On MacOS, AltiSpace can works both as a standalone application and as an Audio unit (AUv3) with DAWs and other hosts that support AUv3 plugins. AltiSpace has a built-in detailed description of all parameters also available as PDF file on the application site. You can find more information on AltiSpace and other creative audio apps at: https://motion-soundscape.blogspot.com

Screenshots

ChStrip3 screens
AltiSpace 24 screens

Verdict

The call

The clearest difference is review sentiment: ChStrip at 100% against AltiSpace 2's 78%. ChStrip also leads on rating (5.0 vs 4.7) and price ($4.99 vs $7.99). AltiSpace 2's advantage is update cadence (monthly vs every 3 months) and ratings volume (29 vs 8). On ads, in-app purchases, monetization model 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

ChStrip costs $4.99 and AltiSpace 2 $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ChStrip holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 8 and 29 respectively. Written reviews point the same way: 100% of ChStrip's written reviews are positive against 78% of AltiSpace 2's.

UpkeepUpdate frequency

ChStrip ships an update every 3 months, AltiSpace 2 monthly. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 5 level
ChStrip versus AltiSpace 2: the parameters behind the verdict, then further details
ParameterChStripAltiSpace 2
Price$4.99 — better$7.99
Rating5.0 (8 ratings) — better4.7 (29 ratings)
Positive reviews100.0% of reviews — better77.8% of reviews
Number of ratings829 — better
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.513.4 — better
Further details — not scored
Size2 MB227 MB
Age rating4+4+
DeveloperRyo TogawaIgor Vasiliev

Customer experience

ChStrip

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

AltiSpace 2

All ratings29 ratings
Positive93.1%
Neutral3.4%
Negative3.4%
Written reviews18 reviews
Positive77.8%
Neutral11.1%
Negative11.1%

In-app purchases

None

ChStrip

No in-app purchases

None

AltiSpace 2

No in-app purchases

Questions

Is ChStrip free?
ChStrip costs $4.99, with no in-app purchases.
Is AltiSpace 2 free?
AltiSpace 2 costs $7.99, with no in-app purchases.
Which has better reviews, ChStrip or AltiSpace 2?
ChStrip is rated higher. ChStrip averages 5.0 out of 5 from 8 ratings, while AltiSpace 2 averages 4.7 from 29 ratings.
Do ChStrip or AltiSpace 2 have ads?
Neither ChStrip nor AltiSpace 2 shows ads.
Which is updated more often, ChStrip or AltiSpace 2?
ChStrip ships an update every 3 months, and AltiSpace 2 monthly. Most recently, ChStrip was updated on October 19, 2026 and AltiSpace 2 on October 21, 2026.

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