GalileoTuner vs Coil
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GalileoTuner
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Galileo is a music tuner. Earth mode shows the pitch by chromatic scale in circle.(Please set the microphone on). Jupiter mode shows detailed pitch in smaller circle. When the red mark in the opposite side of "50" aligns with the red arrow bellow the smaller circle, it produces equal temperament pitch. The two smaller red marks on both side of the red mark shows just intonation of major 3rd (-) and minor 3rd (+). ※For monophonic instrument
Coil
This app simulates the physical behavior of spring reverb tanks, offering two distinct spring types and interactive "hit" features. Control mix, tone, and dwell for unique sonic textures, with an optional amp stage for added grit. It functions as a standalone app or AUv3 plugin.
- Physically simulated springs
- Two distinct spring tank personalities (Long & Short)
- Interactive 'hit' function for metallic chaos
- Adjustable Mix, Tone, and Dwell controls
- Integrated amp stage with presence and grit
- AUv3 plugin and standalone app support
- MIDI learn for all controls
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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.
Screenshots
Verdict
The clearest difference is price: GalileoTuner at Free against Coil's $0.99. GalileoTuner also leads on iOS requirement (12.0 vs 15.0). Coil's advantage is update cadence (fortnightly vs every 33 months). On 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
GalileoTuner is free to download; Coil costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GalileoTuner ships an update every 33 months, Coil fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | GalileoTuner | Coil |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 33 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomohisa Himeno | Joshua Rideout |
In-app purchases
GalileoTuner
No in-app purchases
Coil
No in-app purchases









