Vocal Tune Studio vs Hoopi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vocal Tune Studio
Correct pitch and timing for vocal recordings with advanced editing options. Features include automatic key detection, artificial vibrato, and generic time correction for any audio. Export corrected audio or MIDI files.
- Pitch correction
- Timing correction
- Volume adjustment
- Formant correction
- Artificial vibrato
- Key and scale detection
- MIDI export
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With Vocal Tune Studio, pitch and time correction of vocal recordings is now finally possible on your iPhone or iPad! Use it as an Audio Unit effect inside your favourite DAW or in standalone mode. From popular effects to subtile correction: Retune notes to achieve the popular auto tune effect or apply a more subtile correction. Besides pitch correction, notes can be corrected for timing and volume level as well. Deep editing: Each individual note can be adjusted for retune time, retune amount, volume and the amount of formant correction. Artificial vibrato can also be added and adjusted to taste using the vibrato depth and rate controls and settings to adjust the time when the vibrato kicks in and the time in which it reaches the full vibrato depth to obtain a natural sounding vibrato. Key and scale detection: Vocal Tune Studio can detect the key and scale of a vocal recording automatically or a key and scale can be manually chosen. Two workflows: Choose between two workflows similar to popular desktop vocal tune software: start with either all notes quantised (corrected) or non-quantised. When choosing non-quantised, an additional Pitch Quantisation slider lets you move notes between their original sung pitch and the target pitch within the selected key and scale. Time correction as a bonus for all audio material: Aside from vocal pitch correction, Vocal Tune Studio also features a generic time correction/stretching mode which works on any type of audio material (not only vocals, but also guitars etc.). In this mode, any part of a recording that was played off-beat can be time corrected without affecting parts that were recorded in time. Export MIDI: Besides the host's ability to render the effect to an audio file, the identified notes can also be exported as standard MIDI file. Standalone mode: Besides being a AUv3 plug-in, you can also run the app standalone. Record audio directly, import an audio file or paste an audio file from the iOS clipboard. Auto or manually tune your vocals and correct them for timing errors or apply time correction for any audio material. When finished, export the result to a WAV file. Note: Vocal Tune Studio is also available within our DAW, Audio Evolution Mobile Studio and offers much higher integration there, not requiring to 'record' the audio first into Vocal Tune Studio. User manual: You can find the user manual in PDF and HTML formats here: https://www.audio-evolution.com/manual/vtsau/index.html Tutorial video: Vocal Tune Studio being used inside Audio Evolution Mobile Studio https://www.youtube.com/watch?v=st75zBB4lds PLEASE NOTE: due to a bug in Auria, Vocal Tune Studio stops working when mixing down or freezing tracks. A work-around is to create a new audio track and select the master bus as input to perform bouncing.
Hoopi
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Hoopi is the essential companion app for your Hoopi Pedal. Capture studio-quality audio, record synchronized videos, and manage your recordings—all from your iPhone or iPad. Key Features Instant Discovery Automatically finds your Hoopi pedals on your WiFi network. No configuration needed—just connect and start recording. Professional Recording Control recording sessions remotely with real-time recording timer. Use your recordings as backing tracks. Choose audio-only or audio+video modes with automatic timestamp tracking and error-free recording monitoring. Video with Audio Sync Record video on your iOS device while capturing pristine audio on Hoopi Pedal. Features intelligent audio-video synchronization with stereo channel selection for Left, Right, or Both channels. Includes automatic network delay compensation. Advanced Audio Management Download recordings for offline playback with beautiful waveform visualization. Split stereo channels into separate tracks, create custom balance merging, and share recordings instantly. Complete Device Control Switch audio effects on Hoopi pedals. Monitor SD card storage, configure WiFi networks, format SD card remotely, and view firmware versions. Beautiful Design Elegant dark theme with intuitive gesture controls. Swipe-to-delete recordings, tap-to-play downloaded files, and pull-to-refresh everywhere for seamless navigation. Perfect For Musicians recording rehearsals and performances. Podcasters capturing interviews. Content creators syncing audio with video. Field recording enthusiasts. Anyone who demands professional audio quality. Requirements Hoopi digital effects and recording pedal, WiFi network connection for device discovery and control, and iOS 14.0 or later. Transform your mobile device into a powerful recording studio. Download Hoopi today and experience professional audio made simple.
Screenshots
Verdict
The clearest difference is price: Hoopi at Free against Vocal Tune Studio's $14.99. Vocal Tune Studio's advantage is chart position (#140 vs unranked) and update cadence (fortnightly vs monthly). On ads, in-app purchases, device support and iOS requirement 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
Hoopi is free to download; Vocal Tune Studio costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Vocal Tune Studio ships an update fortnightly, Hoopi monthly. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.
| Parameter | Vocal Tune Studio | Hoopi |
|---|---|---|
| Price | $14.99 | Free — better |
| Rating | 3.6 (27 ratings) — better | — |
| Positive reviews | 61.9% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #140 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 17 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Davy Wentzler | Prince Samuel |
In-app purchases
Vocal Tune Studio
No in-app purchases
Hoopi
No in-app purchases









