Cryptool is made and published by nfdz. AppBrain is an independent app data site and isn't affiliated with nfdz. The app name, icon, screenshots and description belong to nfdz and are shown as published on Google Play.
AppBrain's verdict
EstablishedWell rated- Rating on Google Play
- 4.27
- 244 ratings
- Installs
- 70 thousand
- Last updated
- August 23, 2025
- Ads
- No ads
- Size
- 13.8 MB
Cryptool has 70 thousand installs. Users rate it well: 4.3 stars from 244 ratings.
User feedback
Ratings and reviews on Google PlayComments on Cryptool for Android
Google Play Rating history and histogram
Store listing
By nfdz, from Google Play“Cryptography for humans - Encryption, Passwords, LAN, SMS, Offline, Light”
Description by nfdz Written by the developer, not by AppBrain. Click to read.
This is a non-profit open source solution and we are not interested in your data. Anyway, we do not ask you to trust, we ask you to **block** the Internet access, **review** the code, or even **build** the app yourself.
Main features:
- Lightweight application.
- Modern UI. Material You + support to light/dark theme.
- Multiple encryption configurations as conversations.
- Multiple message sources.
- Manual. Handle the input and output of the communication yourself.
- LAN. Communication within the connected Local Area Network. It is forgotten when the app stops.
- File. Use two files for communication. You can auto-sync and share the files for real time communication.
- SMS. Use your SMS provider. This option could have cost depending the contract with your provider.
- Keystore.
- Multiple algorithms and encryption configurations.
- Interoperable encryption.
- Clipboard control.
- Export/Import:
- Custom code protection.
- Filter data.
- Access code protection:
- Forget/Reset.
- Change.
- Biometric identification.
Know more: https://github.com/nfdz/Cryptool
Recent changes:
• Fix stability issues.
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 15
- App size
- 13.8 MB
- Needs Android
- 6.0+
- Content rating
- Everyone
Technologies used by Cryptool
Releases
Updates seen on Google Play- Version
- 3.2.3
- Launched
- October 2017
Alternatives
Similar apps and more from nfdzAlternatives to Cryptool
Installs
Tracked by AppBrain- Last 30 days
- 150
- Play install range
- 50+ thousand
- Launched
- October 2017
Installs over time
Cryptool has been installed 70 thousand times. Over the past 30 days, it has been installed 150 times.
Rankings
Google Play top chartsGoogle Play Rankings for Cryptool
About the app and developer
About Cryptool
Cryptool is a tools app developed by nfdz.
How many times has Cryptool been installed?
Cryptool has been installed 70 thousand times. In the last 30 days, the app was installed 150 times.
What is the rating of Cryptool?
Cryptool is rated 4.27 out of 5 stars, based on 240 ratings.
Is Cryptool free?
Cryptool is free. The app size is 13.81 MB. The latest version available is 3.2.3. The last update was on August 23, 2025.
What are the requirements for Cryptool?
Cryptool requires Android 6.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since October 2017.
App Performance Report
Get a detailed PDF report for Cryptool with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for nfdz
Frequently asked questions about Cryptool
Is Cryptool free?
Yes. Cryptool is free on Google Play.
Is Cryptool still available?
Yes. Cryptool is on Google Play, and the last update we saw was on August 23, 2025.
Does Cryptool contain ads?
No. Google Play does not list Cryptool as containing ads.
What Android version does Cryptool require?
Cryptool runs on Android 6.0 and higher.
How large is Cryptool?
Cryptool is 13.81 MB.
Is Cryptool suitable for children?
Google Play rates the content of Cryptool as suitable for everyone.
How many times has Cryptool been installed?
Google Play lists 50,000+ installs for Cryptool.
How do people rate Cryptool?
Cryptool scores 4.27 out of 5 stars, from 244 ratings on Google Play.
Who made Cryptool?
Cryptool was developed by nfdz. It is listed in the tools category on Google Play.
What are the best alternatives to Cryptool?
People looking at Cryptool also look at these tools apps: Seecrypt Enterprise, Crypto - Encryption Tools, AstraCrypt - Encrypt Your Data, AES 256: Encrypt & Decrypt, Cellcrypt Enterprise.