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Description

Threema is the world’s favorite secure messenger and keeps your data out of the hands of hackers, corporations and governments. Threema can be used completely anonymously, allows to make end-to-end encrypted voice calls, and offers every feature one would expect from a state-of-the-art instant messenger. With Threema Web, you can also use Threema from your Desktop.
PRIVACY AND ANONYMITY
Threema is designed to generate as little data on servers as possible – this is a core part of our concept. Group memberships and contact lists are managed on your device only, and never stored on our servers. Messages are immediately deleted after they have been delivered. Local files are stored encrypted on your mobile phone or tablet. All this effectively prevents the collection and misuse of your personal information, including meta data. Threema is fully compliant with the European privacy legislation (GDPR).
HIGHEST ENCRYPTION STRENGTH
Threema encrypts ALL your communications END-TO-END including messages, voice calls, group chats, media files and even status messages. You can rest assured that only the intended recipient can read your chats, and nobody else – not even us. Threema uses the trusted open source NaCl cryptography library for encryption. The encryption keys are generated and safely stored on user’s devices to prevent backdoor access or copies.
COMPREHENSIVE FEATURES
Threema is not only an encrypted and private messenger but also versatile and feature-rich.
• write text and send voice messages
• make voice calls (requires iPhone 5s / iOS 9 or above)
• share videos, pictures and locations
• send any type of file (pdf, animated gif, mp3, doc, zip, etc.)
• use Threema Web to chat from your Desktop
• create groups
• conduct polls with the unique poll feature
• choose between a dark and a light theme
• quickly and silently reply with the unique agree/disagree feature
• verify the identity of a contact by scanning their personal QR code
• use Threema as anonymous instant messaging tool
• synchronize your contacts (optional)
FULL ANONYMITY
Each Threema user receives a random Threema ID for identification. A phone number or email address is not required to use Threema. This unique feature allows you to use Threema completely anonymously – no need to give up private information or to open an account.
TRUSTED CONTACTS
We let users confirm trusted contacts with a QR code or a key fingerprint to prevent man in the middle attacks.
INDEPENDENT COMPANY
We are a 100% independent and self-financed company in the heart of Switzerland with its own servers and in-house software development. Switzerland is a country with some of the most user friendly privacy laws in the world.
SUPPORT / CONTACT
For questions or problems please consult our FAQs: https://threema.ch/en/faq

What's New in Version 4.1.3

• Fixed a bug that could occur when using a custom server (WebDAV) for Threema Safe
• Other improvements and bug fixes

Seller

Name

Threema GmbH

Information

Developer

Categories

Version

4.1.3

Size

75.5 MB

Game Center

No

VPP Device Licensing

Yes

Rating

Rated: 4+

Compatibility

iOS 9.0 or later

Devices

iPhone 11 Pro Max, iPad Air 2 (Cellular), iPad mini Retina (Cellular), iPad Pro (11-inch), iPad (5th Generation) Wi-Fi, iPad (6th generation) Wi-Fi, iPod touch (6th Generation), iPad Pro (11-inch) Wi-Fi + Cellular, iPad (6th generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (3rd generation), iPad (5th Generation) Wi-Fi + Cellular, iPad mini (5th Generation) Wi-Fi + Cellular, iPad mini (5th Generation), iPad Pro, iPad mini 3, iPad mini 4 (Cellular), iPad mini 4, iPhone 11, iPod touch (7th generation), iPad mini 3 (Cellular), iPad Air, iPad Air 2, iPad Pro 12.9-inch (2nd generation), iPad Pro (Cellular), iPad Pro (9.7-inch) (Cellular), iPad Pro (10.5-inch) Wi-Fi + Cellular, iPad Pro (9.7-inch), iPad mini Retina, iPad Air (Cellular), iPad Air (3rd generation) Wi-Fi + Cellular, iPhone 6 Plus, iPad Air (3rd generation), iPad Pro (10.5-inch), iPad Pro 12.9-inch (2nd generation) Wi-Fi + Cellular, iPhone 6, iPhone XR, iPhone XS, iPhone 6s, iPhone SE, iPhone 7 Plus, iPhone 6s Plus, iPhone 5s, iPhone X, iPhone 8, iPhone XS Max, iPhone 8 Plus, iPhone 7, iPhone 5, iPad (7th generation) Wi-Fi, iPhone 5c, iPad (7th generation) Wi-Fi + Cellular, iPad Air3, iPad Air3Cellular, iPad Mini5, iPad Mini5Cellular, iPhone 11 Pro, iPad Pro 12.9-inch (3rd generation) Wi-Fi + Cellular

Languages

English, Dutch, French, German, Italian, Portuguese, Romansh, Russian, Spanish

App Store: Customer Ratings

All Versions

 5.0 (3 Ratings)

App Store: Customer Reviews

Bad App

 – 
Dr. Sajjad Noor
 – 
2018-12-01
Version 4.0.2
Really sorry for a paid App. Calling another threema app at my home.

Sending failed (photos)

 – 
M.A.D!
 – 
2018-10-14
Version 3.0.9
Its been more than two weeks, and the issue has not been solved, it’s a shame for Threema.
Thank you,

A bit buggy

 – 
SilentHawks
 – 
2018-08-11
Version 3.0.9
The app is well designed, however it doesn’t work all the time. I’m sure over time it will improve

Solid App

 – 
le Chat Perdu
 – 
2017-11-17
Version 3.0.3
The app rarely crashes. The support team do answer messages after a day or so if you need help. Very occasionally a new release will show up a bug that resolves with shutting down the app, but these are dealt with in new releases. The features feel robust and the app typically gets strong scores on review sites for the design of its encryption.
Sometimes the app will take a while to make a secure connection if you have dodgy signal. In more recent versions that has improved. However it does have a clear indicator to show its progress (or lack thereof) and you have the reassurance of knowing it’s not lying to you for the sake of finesse.
You can only get a copy of your chat history by downloading as a secure zip file, which is then emailed to you. This function does work, and works well, though it feels a little unwieldy.
Threema is not the most popular secure messaging app. Fewer people you know are likely to be using it. Make your own decisions as to whether that is a bonus or a detraction. If you want a more popular secure messaging app then I suggest looking at Signal or Telegram. Last time I looked Signal’s encryption and security was roughly equivalent to Threema but Telegram’s was slightly less robust. This may have changed.
Over three years or so the app has always under promised and over delivered on what it advertises. I recommend it.

Happy and content

 – 
JDsinai
 – 
2017-09-15
Version 3.0
I knew little of this messaging app however now I am very happy and content to have spent money and placed my trust in the designers and Threema company. Support is there if needed. Very reliable indeed.

Great

 – 
A nickname which is not taken.
 – 
2017-03-28
Version 2.8.2
Hopefully more people will use this.

Better than Telegram, not as reassuring as Signal

 – 
Jimbob8976
 – 
2017-03-06
Version 2.8.2
I used to be a big fan of Telegram. I used it for weeks. Then I decided to dig a little deeper and check their encryption further. Telegram is flawed and their encryption model is weak. Google it for further details.
Anyway, I highly recommend Signal for the most secure messaging system available that's also open source, something Threema is not.
Other than that, Threema I believe has the same level of encryption as Signal and is a much better user friendly app and that's why I chose it over Signal.
If Threema was open source it would be perfect, but I can understand why it's not. I note that they have been independently verified by third parties as to their encryption methods and received top marks. But who's to say these third parties haven't been paid off by Threema?
But anyway, I think Threema is secure enough for my needs and I will continue to use it! Unless of course any evidence comes to light why I should not.

Great app

 – 
سيف حامد
 – 
2016-09-08
Version 2.7.3
Good app and easy to use, thanks Threema.
I hope to see it supporting Arabic. Moreover, it would be worldwide spreading if it is free to gather more subscribers.

Simply the Best !!!!

 – 
Benefitted
 – 
2016-02-17
Version 2.6.1
I have used many messengers but nothing comes close to threema when it comes to security and usability. It displays the notifications whether your message has been delivered or its in the server and when it has been read with times. Amazingly fast and pleasant on the eye
If you're after a super fast no nonsense secure messenger look no further you won't be disappointed. Highly recommended !!

Works like a charm

 – 
bruelltuete
 – 
2016-02-06
Version 2.6.0
Does what it says on the tin. No non-sense frills, and totally anonymous if you want to.

Good app but lacks high encryption

 – 
Jay-Producer
 – 
2015-11-19
Version 2.4.3
Overall this app is really good and I love that you can only be identified by a number or username. No links to your number or contacts. Good verification system for contacts. Clear privacy policy on their website and the server being based in Switzerland means NSA and British Intelligence cannot spy on you or ask the swiz server company to handover information.
There are a few things that will improve this app. Better encryption that is doubled in bit as its not as secure as Wickr. Confirmation if your IP location can or cannot be found using this app. Added Security to include a key to unscramble messages as optional two-layer security encryption (which is re-set every month).

Crashes - not usable - kaputt

 – 
Guesme
 – 
2015-07-31
Version 2.4.0
Since last update - no star really!

What's going on?

 – 
Japinky
 – 
2015-07-30
Version 2.4.0
Since the update this morning my iPhone will not connect to the app! Over and over I've deleted the app and reinstalled and also turned my phone of multiple times.. An app I paid for that doesn't even work!

Terrible update (2.4)

 – 
Tonycuth
 – 
2015-07-30
Version 2.4.0
No longer working on iOS7 - says it's incompatible and also not working on current iOS. Passlock automatically turned off.

بديل الواتس اب

 – 
S A L E H
 – 
2015-06-18
Version 2.3.1
برنامج امن يعتمد على مفاتيح التشفير ..
بسيط و عملي

Great message app

 – 
RAA14
 – 
2015-01-15
Version 2.1.0
Great messaging app, one of the best around 👍

Lovely Jubbly!

 – 
Fossilier
 – 
2015-01-15
Version 2.1.0
Seriously impressed with threema is an understatement! This is probably the best, secure, reliable, flexible and easy to use messaging app out there! The price is a steal!

Good app

 – 
funkymonkeyboy
 – 
2015-01-13
Version 2.1.0
Seems to work fine. No issues so far. Keep up the good work.

Looking Good!

 – 
f8 & be there
 – 
2014-12-05
Version 1.9.6
Only just started using this app but it seems perfect for discreet chats with people you might not want appearing in your regular msg apps. Passcode to open and ability to select specific contacts sold it to me. Game on!

Great App

 – 
HS USA
 – 
2014-10-25
Version 1.9.5
Is great app but they need more improvement keep up please

Great

 – 
Ryn D
 – 
2014-08-19
Version 1.9.2
A bit weird getting set up in the first place, but once it's working, it's superb. Very happy with latest updates.

Great app!

 – 
Mikej008
 – 
2014-07-17
Version 1.9.1
Easy to setup and use. And works as promised. Highly recommended.

Does what it says on the tin

 – 
MarcusE1W
 – 
2014-06-06
Version 1.8.3
😋

A great app!

 – 
Iphone4s-2014
 – 
2014-06-05
Version 1.8.3
Ive been using it since 2 weeks now and love it. The only downside: video length is limited to 60 seconds and doesnt support cropping the video within the app
And a preview of pictures before sending is not possible. Can only see them very little in my photo album when i select them and then have to go straight to "send" without being able to see them in a preview to double check its the correct picture i have selected. These would be my suggestions regarding app improvement. Thats why im only giving 4 stars.
Other than that a great app and its very reassuring to know that my precious photos/ videos of my children are staying private between the recipient and myself.

int SMS and calls are all lies

 – 
Urs Rau
 – 
2014-02-27
Version 1.7.3
I have bought this months and months ago and have tried getting a SMS or a call to link my UK mobile phone number , but I still don’t have it linked. SMS texts simply don’t arrive to my UK T-Mobile number and the call backs it says work but they never actually call and then it says it has done a call within the last 7 days , and then starts the same cycle again.
Sounds to me like they are running a rip-off scheme. Has the SMS linking or call back actually worked for anybody outside of Switzerland?

Great, secure & simple

 – 
MarvNew
 – 
2014-02-26
Version 1.7.3
It is as simple as whatsApp is and it is even secure.
Love the App. Hopefully more people will follow :)

So far so good.

 – 
Tymmz
 – 
2014-02-26
Version 1.7.3
Waiting for friends to a abandon WhatsApp.

Awesome app, awesome features!

 – 
Rifrif
 – 
2014-02-23
Version 1.7.3
This is a great alternative to Whatsapp and is much more secure. This is definitely my new go to default messaging app... Just need to get my friends to migrate from Whatsapp too!

Fantastic App

 – 
middleorderbatsmen
 – 
2014-02-22
Version 1.7.3
I found this when looking for alternatives to WhatsApp. It just has all the features I want and is very secure compared to some of the more open messaging apps such as WhatsApp for example. I wish I had discovered this app earlier. The creators done an amazing job with this app.

Great App

 – 
Seb Sigloch
 – 
2014-02-22
Version 1.7.3
Would like to see audio-messages on Threema :) But besides that a great app.

Get what you pay for

 – 
Lina_kay
 – 
2014-02-22
Version 1.7.3
Same simple whatsapp but without Facebook watching you

Cool

 – 
dh2187
 – 
2014-02-21
Version 1.7.3
Only have a few contacts who have it already but it's easy and works well.

Good, secure

 – 
InspectorGadget467
 – 
2014-01-20
Version 1.7.3
With security in mind, it's not designed to be an all singing all dancing messaging App but it ain't bad.
It's probably one of the only secure IM clients there is with end-to-end encryption. That doesn't use NSA backdoor'ed random number generator.
If you have both a phone number and email for a Contact and add then you get 2* security. All fully encrypted but to get 3* all green you need to swap QR codes.
I did so via FaceTime on my iPad with my friend.
Threema has had a basic vetting by Steve Gibson at GRC / Security Now! And he gave it the thumbs up.
You probably done need this App if it's just to text ur Mom about the lack of OJ in the fridge, but you DO need this app if you want to text your Dr, Lawyer or send ur Dad your bank account details (so he can send you the money for said orange juice).
Go to Threema's website and read it, before you buy. They have a comprehensive security outline.

Perfect

 – 
TOTCaMbIu
 – 
2013-11-14
Version 1.7.1
This something that I was looking for. Sync you keys once your fried is around and hope that NSA can tap into it :)

Swiss Made!

 – 
iphone5usr1100
 – 
2013-11-14
Version 1.7.1
Unlike other messengers, this one takes privacy serious. The Servers are located in Switzerland, which has one of the strongest data protection laws in the world, and your data is encrypted at all times. And the most important thing: The company behind it doesn't hold a master key to decrypt you messages like the US companies do.

Fast, clean interface

 – 
MadeUpName3
 – 
2013-10-07
Version 1.6.7
Good app, only criticism is it's more expensive than whatsapp which makes it a tough sell to friends. Otherwise good :)

Awesome app

 – 
ben_hdk853
 – 
2013-08-11
Version 1.6.4
I've gifted this to all my friends and family. It's nice to know that our communications are completely secure and cannot be intercepted, unlike Skype, iMessage, etc. We're not doing anything that requires this level of security but when it's this easy and cheap, why not?
Don't say: 'I have nothing to hide so I have nothing to fear'
Do say: 'I have nothing to hide from people I trust'.

Finally: End to end encryption-f*%$ NSA

 – 
PatFFM
 – 
2013-07-13
Version 1.6.4
This app looks beautiful, similar to whatsapp. You can lock it with a passcode. By meeting people in person you can exchange QR code and enjoy a 255 bit encryption which is as strong as a 2048 bit RSA encryption.
They encrypted messages are sitting on a Swiss server an deleted after 7 days.
Thanks Switzerland and f&£@ you NSA