# Sub Rosa Ex

> Customizable, secure mobile web browser for organizational access and data control. (iPhone/iPad app by Thursby Software Systems, Inc..)

- Source: https://appshunter.io/ios/app/sub-rosa-ex/id1221602061 (this page in markdown: same URL + `.md`)
- Developer: [Thursby Software Systems, Inc.](https://appshunter.io/developer/476117470)
- Category: Utilities, Productivity
- Price: Free
- Rating: 2.40/5 from 7 App Store ratings · 4 written reviews indexed
- Age rating: 17+
- Requires: iOS 14.1 · 86 MB
- Languages: English
- Released: 2018-07-28
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/sub-rosa-ex/id1221602061/reviews.md

## What is Sub Rosa Ex?

Every agency's mission is unique. At Thursby Software Systems we believe that you deserve a browser that's as specialized as you are. That is why we developed Sub Rosa Ex.

Sub Rosa Ex is a specialized version of Sub Rosa that gives you the ability to customize everything from which sites a user is allowed to access to how much data can be at rest on the device. Without any additional server or MDM/MAM requirements.

Choose from over 100 settings to create the perfect environment for your mission requirements. If your needs change, you can adjust your settings at any time and apply them instantaneously to the entire population. 

Have different requirements for a subset of your population? Sub Rosa Ex gives you the ability to create a customized environment for each use case. Perfect for both Bring Your Own Device (BYOD) and Government Furnished Equipment (GFE) environments.

The U.S. engineered Sub Rosa Ex is a FIPS 140-2 validated web browser which supports web site access from an iPad or iPhone with strong, two-factor authentication using a CAC, PIV, or derived credential (such as Purebred). Sub Rosa Ex is the only mobile browser available that allows you to access Defense Travel Systems (DTS) and sign/encrypt/decrypt email through Outlook Web Access (OWA).Full access to calendaring makes managing and coordinating meetings easier than ever.

Thursby technical and support is provided by real people, over the phone and by email from Arlington, Texas. Please contact us via support@thursby.com or call +1 (817) 478-5070.

Sub Rosa Ex supports industry and U.S. Government standards including ISO 7816, NIST IR 6887, HSPD-12, OMB-11-11, FIPS 140-2, and FIPS 201 (with an approved reader). Most popular smart card types are supported including CAC, Dual Persona CAC, PIV, and PIV-I.

** NOTES **
• Full support for HTML5 and JavaScript (not the same as Java) standards for cross platform secure web access
• Perceived performance depends on Wi-Fi or cell bandwidth, internet “weather” and back-end data center or cloud infrastructure
• Apple's iOS iPad and iPhone operating system DOES NOT support Adobe Flash, Microsoft ActiveX or Oracle Java (not the same as JavaScript)
• Sub Rosa Ex is an integral part of the Thursby PKard Toolkit secure app development and policy management ecosystem

## Key features

- Customizable access controls
- Data-at-rest security settings
- Over 100 configurable options
- Two-factor authentication support (CAC, PIV)
- Access Defense Travel Systems (DTS)
- Sign/encrypt/decrypt email via OWA
- Full calendaring support

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/sub-rosa-ex/id1221602061/reviews.md

### 2/5 — Code?

*2020-12-07, version 5.0.3*

I am a USAF O365 user and do not have a code

### 1/5 — Doesn’t work

*2019-07-27, version 4.0.9*

The “autoconfigurecode” does not work at all. Smh

**Developer response:** We appreciate your feedback. This version of Sub Rosa is for specific groups who have a customized configuration. Please reach out to our support team so we can verify that you have the correct code and ensure you are using the proper version of Sub Rosa. Our support team can be reached at support@thursby.com or +1(817) 478-5070. We look forward to hearing from you soon! Thanks, Luke

### 1/5 — Disappointed

*2019-06-11, version 4.0.9*

I can’t get past the request for a configuration code. There is no help for what that is or how to get one. Deleting this.

**Developer response:** Unfortunately it sounds like you have downloaded the incorrect version of Sub Rosa. You will want to download Sub Rosa for iOS here: https://apps.apple.com/us/app/sub-rosa/id505825393 

This version of Sub Rosa is for specific groups who have a customized configuration. 

If you have any questions please reach out to our support team at support@thursby.com or +1(817) 478-5070  for more information.

Thanks, Luke

### 3/5 — "no longer valid"

*2019-03-25, version 4.0.9*

Hello, "AutoConfigureCode" reads as no longer valid

**Developer response:** I'm sorry to hear you're having issues with the app. Please reach out to our support team at +1(817) 478-5070 or support@thursby.com so that we can ensure that you have been provided the proper configuration code. We look forward to hearing from you. Best regards, Luke

## Frequently asked questions about Sub Rosa Ex

### What is Sub Rosa Ex?

Sub Rosa Ex is a specialized, FIPS 140-2 validated mobile web browser designed for organizations. It allows extensive customization of website access and data security settings without needing extra server infrastructure.

### Does Sub Rosa Ex support secure authentication methods?

Yes, Sub Rosa Ex supports strong, two-factor authentication using a CAC, PIV, or derived credential. It is engineered to meet U.S. Government standards like HSPD-12 and FIPS 201.

### Can Sub Rosa Ex be used for accessing sensitive government systems?

Absolutely. Sub Rosa Ex is the only mobile browser that allows access to Defense Travel Systems (DTS) and enables signing, encrypting, and decrypting email through Outlook Web Access (OWA).

### How does Sub Rosa Ex handle different user requirements?

Sub Rosa Ex allows you to create customized environments for different subsets of your user population. This flexibility is ideal for both Bring Your Own Device (BYOD) and Government Furnished Equipment (GFE) scenarios.

### What platforms is Sub Rosa Ex available on?

Sub Rosa Ex is available for Apple's iOS operating system on iPad and iPhone devices. It supports industry standards for secure web access on these platforms.

### How often is Sub Rosa Ex updated?

The latest version of Sub Rosa Ex is 5.1.7, which was last updated on April 9, 2022. Updates ensure continued support for industry standards and security protocols.

### What is the user sentiment for Sub Rosa Ex?

Based on available data, Sub Rosa Ex has a rating of 2.4 stars from 7 ratings. This suggests a mixed user reception, with potential areas for improvement in user experience or functionality.

### Is Sub Rosa Ex free to use?

Yes, Sub Rosa Ex is available for free. There are no in-app purchases or subscription fees associated with its use.

## Version history (last 1 release)

### 5.1.7 — 2022-04-09

General updates and bug fixes. Added support for newer DOD certificates. Added feature for importing PDFs from device storage.

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## More apps by Thursby Software Systems, Inc.

- [Sub Rosa](https://appshunter.io/ios/app/sub-rosa/id505825393)
- [Ready-2-Serve](https://appshunter.io/ios/app/ready-2-serve/id1092691249)

All apps by Thursby Software Systems, Inc.: https://appshunter.io/developer/476117470

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*