Best Threema Onprem Apps

250+ iOS apps curated and reviewed

4.0 avg rating
19 free apps
Updated October 2026

Every iPhone needs a few good threema onprem apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Threema Onprem Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Threema OnPremThreema OnPremFree5.0★ (2)NoNoOct 2026
2Duo MobileDuo MobileFree4.9★ (2.3M)NoNoOct 2026
3Quick Actions for Threema - A shortcut to Threema right from your Homescreen!Quick Actions for Threema - A shortcut to Threema right from your Homescreen!$1.991.0★ (3)NoNoJul 2026
4Intelligent HubIntelligent HubFree4.5★ (85K)NoNoOct 2026
5Intune Company PortalIntune Company PortalFree4.7★ (712K)NoNoOct 2026
6Bitwarden Password ManagerBitwarden Password ManagerFree4.8★ (34K)NoNoOct 2026
7Session - Private MessengerSession - Private MessengerFree4.4★ (5.2K)NoNoOct 2026
8UniFi EndpointUniFi EndpointFree4.8★ (13K)NoNoOct 2026

Top Picks for Threema Onprem

Threema OnPrem#1

Threema OnPrem by Threema GmbH

Self-Hosted Business Messaging
Editor's Choice
🌐 Social Networking
5.0(2 ratings)
Free
Threema OnPrem screenshot 1
Threema OnPrem screenshot 2
Threema OnPrem screenshot 3
Threema OnPrem screenshot 4
Threema OnPrem screenshot 5
Threema OnPrem screenshot 6

This secure messaging solution offers organizations complete data sovereignty by hosting on their own servers. It provides end-to-end encrypted communication for teams, including voice and video calls, and secure file sharing, all protected by PIN or fingerprint.

Duo Mobile#2

Duo Mobile by Duo Security LLC

Security made simple
Strong Contender
💼 Business
4.9😐(2.3M ratings)
Free
#20in Business
Duo Mobile screenshot 1
Duo Mobile screenshot 2
Duo Mobile screenshot 3
Duo Mobile screenshot 4

Enhance login security with two-factor authentication. Generate passcodes or use one-tap push notifications for seamless access to your accounts. Manage authentication for multiple applications and web services.

What We Love

  • 👍 Simple and easy to use
  • 🔒 Provides an extra layer of security
  • 🚀 Quick and convenient authentication
  • 🔒 Secure login experience
  • 👍 Straightforward and user-friendly
  • 👍 Easy to set up and use

Room to Improve

  • 🐛 Unreliable notifications and push functionality
  • 🐛 Compatibility issues when changing devices
  • 🐛 Slow and frustrating authentication process
  • 🐛 Confusing and non-intuitive user interface
  • 🐛 Forced use of the app causing inconvenience
  • 🐛 Inability to remove or deactivate the app

More Threema Onprem apps to explore

FAQ about Threema Onprem

What are the best threema onprem apps for iPhone?
Threema OnPrem tops our threema onprem apps ranking as of October 2026, with a 5.0-star average from 2 App Store ratings, and it's free to download.
Yes — 19 of the top threema onprem apps we rank are free to download, including Threema OnPrem and Duo Mobile.
Threema OnPrem has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ threema onprem apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.