I looked further if there were others app and what exact features the Easy Annotate and Side by Side have and if it works as it should. Please find below the details per app which document formats they support and which cloud storage locations. I'm sending the developers of Dual PDF (to add support for and Doal Documents Viewer an e-mail today to see if they can improve their apps (e.g. English language and left/right view with Dual Documents Viewer).
Internet browsers:
uSurf Universal (free) | requires iOS8 or later (also supports Apple's Slide over/Split view) | also works on iPhone
Tip
Split Screen Browser (free) | requires iOS7 or later | iPad only
Split Web Browser (free) | requires iOS6 or later | also works on iPhone
Browse and Tube /
Browse and Tube Free | requires iOS4.3 or later | iPad only
CoSurf (free) | requires iOS8 or later | also works on iPhone
Split (1,99 dollar) | requires iOS7 or later | also works on iPhone
Split Screen MultiTasking (free) | requires iOS8 or later | also works on iPhone
twoBrowser (free) | requires iOS6 or later | also works on iPhone
dualBrowser (free) | requires iOS7 or later | also works on iPhone
Split Screen Browser Pro (0,99 dollar) /
Split Screen Browser (free) | requires iOS7 or later | iPad only
2in1 (4,99 dollar) | requires iOS6 or later | also works on iPhone
Duo Browsers (1,99 dollar) | requires iOS6 or later | iPad only
Internet browser and other features:
Split (1,99 dollar) | requires iOS7 or later | also works on iPhone
Twistext (0,99 dollar) | requires iOS6.1 or later | also works on iPhone
Side by Side (free) |
Side by Side Pro (1,99 dollar) | requires iOS5 or later | iPad only
Skipper (0,99 dollar) | requires iOS3.2 or later | iPad only
Split Pea (1,99 dollar) | requires iOS6.1 or later | iPad only -
currently crashes on iPad mini2 running 9.1
PaperHelper (0,99 dollar) | requires iOS7 or later | iPad only |
Photon Flash Browser (9,99 dollar - temporary 4,99 dollar) | requires iOS5.1.1 or later | iPad only
TileBrowser (7,99 dollar) | requires iOS7.1 or later (also supports Apple's Slide over/Split view) | also works on iPhone -
is missing cloud storage support
Documents:
Easy Annotate (free, with in-app purchase 4,99 dollar) | requires iOS8 or later | also works on iPhone
- Websites + PDF viewing and minor notes only, supports Dropbox, Google Drive (only in paid version) TIP!
Side by Side (free) |
Side by Side Pro (1,99 dollar) | requires iOS5 or later | iPad only
- Websites + PDF viewing only, supports Dropbox, Google Drive, iCloud
Dual PDF (free) | requires iOS8.1 or later | also works on iPhone
- PDF viewing only, supports Dropbox, Google Drive, iCloud TIP!
Dual Documents Viewer (1,99 dollar) | requires iOS6 or later | iPad only -
Italian language (only), supports PDF,DOC(X),XLS(X),TXT,EPS,PSD, only viewing top/bottom (not left/right), supports Dropbox TIP!
TileBrowser (7,99 dollar) | requires iOS7.1 or later (also supports Apple's Slide over/Split view) | also works on iPhone - supports Document: iWork, Microsoft Office 97 or newer, RTF, PDF, TXT, CSV - Video: MP4, M4V, MOV Audio: MP3, M4A Images: JPG, PNG -
is missing crucial cloud storage support (according to developer soon available)
Documents with tabs only (not side by side):
hopTo (Office Cloud Editor) (free) | requires iOS6 or later | iPad only -
supports PDF,DOC(X),XLS(X),PPT(X),TXT edit/create/read, supports Dropbox, Google Drive, OneDrive, Box, iCloud, lacks offline saving TIP!
hopTo Work (30 day free trial) | requires iOS7 or later | iPad only -
supports PDF,DOC(X),XLS(X),PPT(X),TXT edit/create/read, supports Dropbox, Google Drive, OneDrive, Box, iCloud
PDF Expert 5 (9,99 dollar, temporary free)
| only supports PDF, support Dropbox, OneDrive, Google Drive and other services
For an up to date list check out
this wiki topic i created.