The AS/400 - also called the "IBM iSeries," is a midrange server from IBM, designed for the business world. TN5250 is a terminal emulator which provides access to an AS/400.

Wants to receive print jobs from an AS/400, try Mocha TN3812 for iPhone/iPad.

Before buying, please first try TN5250 Lite

- Supports all standard 5250 emulation features.
- Alternate screen size (24x80 or 27x132).
- SSL/TLS (Secure Socket Layer).
- Zoom and scroll as the Safari browser
- Auto login.
- Voice input.
- Hardware barcode scanners from SocketMobile and Linea.
- Support for Zebra RFD8500, CS4070 and LI3678 barcode scanner.
- Camera as barcode scanner.
- Clipboard.
- Support for 10 different EBCDIC code pages.
- Colors can be customized.
- Device name support.
- Hotspots.

What’s New

Version 4.4

- Solved problem with iPad menu and portrait mode.
- General bug fixing.

Ratings and Reviews

3.3 out of 5
8 Ratings

8 Ratings

PHop67 ,

Great if you're an iSeries user

I'm no computer guru, but my employer has a lot of "back office" systems (Accounting, HR systems, etc.) on the iSeries and from the little bit of messing around I've done on this on the last few hours, this MochaSoft app does everything it's advertised to do.

I'd give it 5 stars if it didn't put me back at the login screen each time I went to the home screen or to other apps.

For those of you who are trashing this app even though they have no idea what it is or what it's functionality is, why? This app is great for a niche market of iSeries users who want to access the system remotely. If you don't use it or know what it is, save your keyboard strokes and don't review it.

This seems like a common problem in the App Store. Why doesn't Apple prevent users from reviewing apps they haven't actually downloaded?

OakCal1300 ,

Need the enter key back

This app went from five stars to a one star. The enter key is now gone on the top right of the screen and you have to swipe through the keyboard to find it. You put the most used key at the end of the list. It is so inefficient now with the placement of the enter key it is unusable for efficiency. Not anywhere near the page up and down key. Makes no sense at all. I challenge whoever made this decision to login and try using your app without being frustrated the whole time.

Developer Response ,

Enter key can be configured in menu - configure - swap done with return : YES/NO

MGarlisch ,

How many keys do you really need to pull the keyboard up?

Very happy with the app and use it daily. However discouraged with the replacement of the enter key on the main screen. Have looked in settings and do not see a way to reconfigure this as a setting. Why do we need redundant keys on the main screen to open the keyboard? This is not as big of an issue when using on an IPad but is very annoying with having a small screen to begin with on an iPhone.


Jan Frydendal
5.9 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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