ConvertiSlowed
Slowed, Reverb & Nightcore
Free · Designed for iPad. Not verified for macOS.
Turn any track into slowed + reverb, nightcore or speed up. Tweak everything live, then export as M4A or WAV. Processing stays on your iPhone.
Create the mood that fits you from your own tracks. ConvertiSlowed turns an audio file into slowed + reverb, nightcore, speed up or bass boost, right on your iPhone.
IMPORT YOUR TRACK
Choose an MP3, WAV, M4A, FLAC or OGG file from your phone. No account is required, and no track is ever sent to a server.
TWEAK YOUR EDIT LIVE
• Change speed from 0.5x to 2x
• Add bass boost and reverb
• Use Slowed + Reverb, Nightcore, Bass Boost and Speed Up presets
• Hear the result instantly and fine-tune every setting
EXPORT AND SHARE
Export your edit as M4A or WAV, then share it with any app you choose. Exporting continues when your screen is locked or the app moves to the background.
BUILT FOR PRIVACY
All audio processing stays on your device. No account, no audio server and no microphone recording. Your first export is ad-free; an ad may occasionally appear before later exports.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
ConvertiSlowed is now available in 16 languages. Onboarding, the interface, error messages and system permission descriptions now follow your device language.
The developer, Mickael Barthemy, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Mickael Barthemy
- Size
- 50.5 MB
- Category
- Music
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - iPad
Requires iPadOS 16.4 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 15 more
- English, Dutch, French, German, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese, Turkish, Vietnamese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Mickael Barthemy