TEFview vs Guitar Tabs X

TEFview for iOS is an app that allows you to view, print and play tablatures created in TablEdit Tablature Editor on your iPad, iPhone or iPod touch. TEFview allows you as well to view and listen to ASCII tabs, ABC tunes, MIDI, PowerTab, GuitarPro and musicXML files. Specifications: - Supported file formats: TablEdit, ASCII, ABC, MIDI, Music XML, PowerTab, GuitarPro - Tablature and/or Standard notation display, - MIDI Playback with full speed control, - Ability to assign the volume and the MIDI instrument for any track in real time, - Metronome and count down, - Embedded Help, - Emails file as attachment, - File manager. - WIFI file sharing, Files app support - Subdirectory management - Playlist - extract the compressed tef files from a zip file - pdf export: the pdf can be emailed, printed to a compatible AirPrint printer or opened in a third app,

Guitar Tabs X is a powerful guitar tabs editor. It is intended as the guitar and bass players' notebook so you can easily write and save your ideas and songs as pro looking guitar tabs. As an addition the app supports ukulele tabs. All tabs can be previewed and played. 
Supports bass tabs. Great tool for bands, composers, guitar schools and even beginners. 
With Guitar Tabs X you can write your chords fast so you never again forget your ideas. Guitar Tabs X exclusive features:
 - Interactive tablature interface
 - Special tab editing keyboard (like fretboard)
 - Insert chords with a slide
 - Full screen guitar tab read and edit
 - Smart bar metrics algorithms
 - dedicated tab file format - readable and small
 - easy chord edit
 - export tabs to PDF ( print ready )
 - export song to MIDI (which you can import to any DAW) other features:
 - Fast tempo change
 - One touch bar metrics change
 - Copy, paste, insert, delete and clear bars
 - In-place edit title, artist and author
 - legato
 - bend up and bend down 
- vibrato
 - P.M.
 - Bass tabs support
 - Ukulele tabs support - undo last actions
 - send songs via email
 - send songs to server
 - free guitar tabs server
 - fast repeat chords - distortion guitar and bass sounds You can access your tabs via iCloud or iTunes share feature. To export songs as MIDI or PDF and to store more than 5 songs on the device you should unlock the PRO features via In-App purchase. All other features are available free and the app has no ads. Should you choose to upgrade to a Pro features, payment will be charged to your iTunes account at confirmation of purchase. Your may choose monthly subscription (paying per month),yearly subscription (paying per year) or one-time payment. (Price may vary by location.) Your subscription renews automatically unless cancelled at least 24 hours prior to the end of the current period and cancellation of the current active subscription period is not allowed. Auto-renewal may be turned off in your Account Settings in iTunes after purchase. You can also manage your subscriptions in Account Settings after purchase. Guitar Tabs X Terms of Service: http://guitartabsx.com/termsandconditions/ Guitar Tabs X Privacy Policy: http://guitartabsx.com/privacypolicy/