Kosmonaut vs BLEASS Reverb
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kosmonaut
This audio effect plugin adds echoes and spatial depth to your music. It features a tape looper, multi-tap delay, filters, autopanner, and ambiance generator to create unique soundscapes. Save and recall your custom presets across different music production apps.
- Tape looper with sound-on-sound decay
- 4-Tap Delay with complex feedback
- LP/HP filters with LFO
- Autopanner
- Ambiance Generator
- Haas Effect Processor
- User preset saving
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*** Note: this is an Audio Unit Effect Plugin (AUv3) which requires a compatible host or DAW to work. *** Kosmonaut is Multitap Delay with a twist. In addition to adding echoes to your audio, it packs a bunch of extra tools to put your music in space: - Tape looper with with variable sound-on-sound decay level - 4-Tap Delay (placed in series for complex feedback loops) - LP/HP filters with LFO - Autopanner - Ambiance Generator - Haas Effect Processor (aka 'wavefront precedence effect') All features are demonstrated extensively in a ton of factory presets, and you can easily add your own user presets, which will automatically carry over across different host apps. All variables are exposed as AU Parameters in hosts which support automation. It also has a smart Random-feature, which may come up with usable results :-) Check out ruismaker.com for the user manual and audio demos.
BLEASS Reverb
This app offers a unique reverb effect that goes beyond traditional acoustic simulation. It allows real-time mutation and warping of sound spaces with intuitive controls, opening up new sonic possibilities for musicians.
- Mutable reverb generator
- Real-time sound warping
- Freeze mode
- Built-in ducker
- AUv3 plugin support
- Intuitive interface
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Reverbs let us simulate acoustic spaces, but with BLEASS Reverb you can mutate and warp that space in realtime with tactile, hands-on controls. If what you need is great-sounding acoustic simulation, BLEASS Reverb is happy to help. But BLEASS Reverb goes far beyond conventional reverb processors. Its mutable reverb generator, freeze mode and built-in ducker open doors to whole new worlds of sonic possibilities for you to explore. BLEASS Reverb's clear, colourful and intuitive interface lets you focus on the important details of your sound without overwhelming you with countless arcane options and settings. And your iOS device won't be overwhelmed either, thanks to BLEASS Reverb's super-efficient engine. FEATURES • Input section with gain, pre-delay and a high-pass or low-shelf filter • Reverb engine with size, length, HF damping and modulation (rate and amount) • Freeze mode • Transform panel: frequency shifter & wave shaper on an X/Y pad to morph the reverb in realtime • Built-in side-chained ducker with threshold, attack and release • Dry/Wet control • Preset manager with a preset generator • Clear single-screen interface on iPad and iPhone WORKS WHERE YOU MAKE MUSIC BLEASS Reverb is an AUv3 plugin. Load it in GarageBand, Logic Pro, AUM, NanoStudio, Koala Sampler, Loopy Pro or any other AUv3-compatible host. A standalone app is also included. BLEASS Reverb is also available for Desktop (VST3 / AU / AAX) on macOS and Windows. More information at www.bleass.com/reverb
Screenshots
Verdict
The clearest difference is update cadence: Kosmonaut at every 8 days against BLEASS Reverb's every 10 months. Kosmonaut also leads on review sentiment (94% vs 80%) and chart position (#172 vs unranked). On price, rating, ratings volume and ads 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
Kosmonaut costs $3.99 and BLEASS Reverb $3.99 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 — 4.8 for Kosmonaut against 4.8 for BLEASS Reverb. Both are backed by a comparable volume of ratings — 68 and 32 respectively. Written reviews are what separate them: 94% of Kosmonaut's written reviews are positive against 80% of BLEASS Reverb's.
Kosmonaut ships an update every 8 days, BLEASS Reverb every 10 months. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.
| Parameter | Kosmonaut | BLEASS Reverb |
|---|---|---|
| Price | $3.99 | $3.99 |
| Rating | 4.8 (68 ratings) — better | 4.8 (32 ratings) |
| Positive reviews | 93.8% of reviews — better | 80.0% of reviews |
| Number of ratings | 68 — better | 32 |
| Update frequency | Every 8 days — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #172 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Bram Bos | BLEASS |
Customer experience
Kosmonaut
BLEASS Reverb
In-app purchases
Kosmonaut
No in-app purchases
BLEASS Reverb
No in-app purchases
