mp3TrueEdit touch vs Meow | Audio Editor

With mp3TrueEdit you can easily record, edit, play and create MP3 and AAC audio projects that allow you to save your work at any time. Then, you can then ‘export’ your edits without any quality loss at all! During playback you can also change the pitch or tempo to suit your needs. You can cut, copy, paste, delete and crop audio, and now change volume, all quickly and easily and all for free. You can also purchase an upgrade to enable extra functions too, such as fade-in and out, inserting silence and other silencing effects. There is even an automatic normalize function to maximize volume levels without any distortion. The upgrade also includes the ability to split audio into tracks and tag and export them as separate files as well as a new 'convert' feature that allows you to change the audio file format and settings and also to save changes to the pitch and tempo. As well as this the 'Pro' version of mp3TrueEdit allows you to join audio files of the same type (by appending audio) or split audio into separate files by creating and tagging tracks and exporting them or by exporting selected audio regions in the free version. mp3TrueEdit knows about the internal format of MP3 and AAC audio files and its advanced algorithms allow it to make all its edits without any audio quality loss or file corruptions. Additionally, It doesn't need to decompress and re-compress audio in order to make any edits or view the audio so it's lightning fast, even with large audio files. It also supports MP3 or AAC recording using the simple built-in audio recording feature. Other key features: • Multiple undo and redo. • Add Effects such as fade-in and out, normalize and volume change. • Insert silence or make sections silent. • Fast - loads a 2 hour MP3 file in a couple of seconds. • Sharing with SoundCloud, Google Drive, Mail, DropBox apps etc. During playback or after converting - change tempo without affecting the pitch or change the pitch without affecting the tempo. The many uses include: • Slow down and don't miss a word when transcribing meetings. • Accelerate listening to audio books. • Slow down audio when learning a new language. • Adjust tempo or key of songs when playing along with instruments. • Re-tune karaoke or backing tracks for different vocal ranges. • Transcribe music more easily when slowed down and/or tuned for a new instrument. • Dance & Physical exercise: Adjust music tempo to match with your exercise level. • Slow down playback to help improve the accuracy of editing audio.

Meow is a fast and efficient audio and sample editor for quickly and easily getting general everyday audio and sample editing duties done. It does not have a huge amount of features, but instead focuses on a fast, effective workflow and user interface. IMPORTANT: Meow is free to try so you can see if the app suits your needs. However, to enable saving or sharing edited audio, a one-time In-App Purchase (IAP) is required. KEY FEATURES: - Fast, smart and efficient navigation and selection with optional snapping to zero crossings - Undo and Redo (number of steps depends on file size) - Automatic Crossfades (adjustable length) for most editing operations - Interactive adjustable fade-in / fade-out points with various curve shapes - Interactive loop cross-fade for creating seamless loops - Nudging and manual entry of selection start / end or playhead for fine control - Touch and mouse input fully supported - Extensive hardware keyboard support with keyboard shortcuts including in-app reference - Smart AutoZoom to reduce the need for manual panning / zooming - Clipboard with automatic resampling and rechanneling - Tempo and time signature support for editing and snapping to bars or beats, with automatic calculation from selection - Resampling between any two supported sample rates (see below) - In-App Recording from the device microphone with optional auto-normalize. Recording from external audio interfaces and in stereo is currently not guaranteed to work with all interfaces. Compatibility will be vastly improved in a future update. - Sample-accurate editing and playback exactly according to selection - Seamless and sample-accurate looping playback of selection SAMPLE PROCESSING: - Editing: Trim, Cut, Copy, Paste (Insert / Mix / Replace) - Processing: Gain, Normalize, Silence, Reverse, Invert - Filters (with live preview): Lowpass, Highpass, Bandpass, Notch - EQ (with live preview): Peaking, Low Shelf, High Shelf, 10-Band Graphic EQ - Channels: Make Mono / Make Stereo / Swap - 3-Band Noise Reduction - Supported sample rates: 96000, 48000, 44100, 22050, 11025, and 8000 Hz - All processing done in 32-bit floating point IMPORT: - Supported formats: WAV, MP3, AIFF, MP4, AAC, ALAC (Apple Lossless). Note that very long audio files (> 20 minutes) are not supported. - Import via Files, Drag & Drop, or "Open In" - Dropped files can be merged into existing audio (Insert / Mix / Replace) EXPORT: - Export to Files or Share directly from the app - Supported formats: WAV (16-bit / 24-bit / 32-bit float), MP3 (adjustable bitrate) LIMITATIONS: - Editing very long audio files (> 20 minutes) may cause instability and limited Undo functionality, as all processing happens in memory (RAM). - Editing very large files can result in slowdowns.