Coil vs Magnetic Echo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Coil
This app simulates the sound and behavior of a spring reverb unit, offering two distinct tanks and engines for varied sonic textures. It allows for interactive "kicking" of the springs via tap or MIDI input, with adjustable decay, tone, and mix controls.
- Two distinct spring reverb tanks (Long/Short)
- Two reverb engines (physical modeling/vintage)
- Interactive "kick" feature via tap or MIDI
- Adjustable Dwell, Tone, and Mix controls
- Optional built-in amp stage
- AUv3 and standalone app support
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Coil brings the character of spring reverb into a compact, playable pedal. TWO TANKS Choose LONG for spacious, wobbling tails or SHORT for a tighter, brighter response. TWO ENGINES A uses physical spring modeling. B offers a lower-CPU vintage spring sound. Both follow the TANK switch. KICK THE TANK Tap the pedal body to strike the physical springs. You can also trigger Kick from your host, MIDI CC 83, or MIDI notes; velocity controls strike strength. THREE KNOBS DWELL sets decay, TONE shapes brightness and high-frequency damping, and MIX blends your dry signal with the reverb. CLEAN OR AMP Use the dedicated CLEAN / AMP switch to add the built-in amp stage. The lamp and artwork show the amp state. PLAY YOUR WAY Use Coil as an AUv3 audio effect in a compatible host or as a standalone app with an audio interface. The MUTED/LIVE control provides quick access to input muting. The in-app scroll guide explains controls and MIDI mappings. One purchase for Mac, iPad and iPhone.
Magnetic Echo
This app offers a vintage-inspired multi-head tape delay and spring reverb effect for mobile devices. It recreates the warm echoes, ambient trails, and analog textures of classic tape echo machines, with adjustable feedback and saturation for unique soundscapes.
- Multi-head tape delay
- Spring reverb effect
- Wow and flutter simulation
- Feedback and saturation controls
- AUv3 plugin compatibility
- Dub and ambient soundscapes
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Magnetic Echo is a vintage-inspired multi-head tape delay and spring reverb effect for iPhone and iPad, built for warm echoes, ambient trails, dub feedback, and evolving analog textures. Inspired by classic tape echo machines of the 1970s, Magnetic Echo combines the movement and imperfections of magnetic tape with the flexibility of a modern AUv3 plugin. TAPE DELAY Three playback heads create layered and rhythmic repeats, from short slapback echoes to spacious multi-head patterns. SPRING REVERB A dedicated spring tank with adjustable decay and tone, for that unmistakable splashy, metallic space. WOW & FLUTTER Real tape isn't perfect — subtle pitch drift and mechanical wobble give every repeat organic character. FEEDBACK & SATURATION Push the feedback path from gentle repeats into self-oscillation, with saturation adding color and character on every pass. FROM DUB TO AMBIENT Create warm guitar echoes, psychedelic textures, washed-out ambient trails, rhythmic delays, and dub-style feedback. HOST READY Works as an AUv3 Audio Unit plugin inside AUM, Audiobus, GarageBand, Cubasis, Logic Pro for iPad, and any other AUv3-compatible host. %100 FREE No subscriptions, no in-app purchases, and no ads.
Screenshots
Verdict
The clearest difference is price: Magnetic Echo at Free against Coil's $0.99. Coil's advantage is iOS requirement (15.0 vs 17.0). On rating, ratings volume, ads and in-app purchases 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
Magnetic Echo is free to download; Coil costs $0.99 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 — 5.0 for Coil against 5.0 for Magnetic Echo. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
| Parameter | Coil | Magnetic Echo |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 8 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 75 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Joshua Rideout | Baturay Koc |
Customer experience
Coil
Magnetic Echo
In-app purchases
Coil
No in-app purchases
Magnetic Echo
No in-app purchases








