Moon Echo vs Warp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Moon Echo
This free music app simulates echoes using the moon as a radio wave reflector. It creates unique, lively, and lo-fi effects modulated by celestial movements, offering a playful tool for both musicians and space enthusiasts.
- Moon-based echo simulation
- Lo-fi musical effect
- Celestial modulation
- Space education tool
- AUv3 and Standalone support
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In our seventh collaboration with Berlin-based musician Hainbach we listen to the stars: Moon Echo is a free to download delay based on a communications technique that uses our closest cosmic neighbor, the moon, as a reflector for radio waves. This results in some rather crunchy and lively echoes, modulated by the movement of Earth and moon. The moon's surface is an imperfect mirror and creates artifacts, unlike any other echo technique. Moon Echo is both a musical lo-fi effect and a playful tool for teaching about space. Available as AUv3 and Standalone.
Warp
This music app offers creative pitch shifting and time stretching with minimal audio artifacts. It allows independent control of pitch and time for unique sound manipulation, including classic tape-stop effects.
- Artifact-free varispeed control
- Independent pitch and time stretching
- Classic tape-stop effect
- AUv3 compatibility
- Developed with Andrew Huang
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Warp is one of the most popular effect modules in Transit 2, our plugin collaboration with Andrew Huang. Now on iOS with full AUv3 compatibility, Warp is available as a free app for creative pitch shift and time stretch effects. Just like the module inside Transit 2, Warp allows you to speed up or slow down audio with fewer artifacts than other plugins. Additionally, use the Stretch knob to control the pitch of your track independently of the time and achieve extreme effects such as slowing audio down while pitching it up. Features: - A clean and artifact-free varispeed control to speed up audio or slow it down to a standstill for a classic Tape-Stop effect. - Use the ‘Stretch’ knob to control pitch independent of time for unhinged audio mangling. - Powered by Transit 2 and developed with Andrew Huang - AUv3 compatibility for use inside your favorite mobile DAW
Screenshots
Verdict
Moon Echo and Warp both sit at 4.9 stars, but that hides the real split: 100% of Moon Echo's written reviews are positive against 71% of Warp's. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.9 for Moon Echo against 4.9 for Warp. Both are backed by a comparable volume of ratings — 21 and 11 respectively. Written reviews are what separate them: 100% of Moon Echo's written reviews are positive against 71% of Warp's.
| Parameter | Moon Echo | Warp |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (21 ratings) | 4.9 (11 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 71.4% of reviews |
| Number of ratings | 21 — better | 11 |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | AudioThing Ltd. | Baby Audio Inc. |
Customer experience
Moon Echo
Warp
In-app purchases
Moon Echo
No in-app purchases
Warp
No in-app purchases








