Genius Challenge - Einstein's
Genius Challenge - Einstein's is a puzzle app from Smart Family Apps for brain exercises that strengthen memory and concentration.
Get the app · v6.5Genius Challenge - Einstein's is aimed at players who want daily mental training through fun mind games. The app offers more than 200 stages designed to develop memory, focus, and attention, and it includes ads but no in-app purchases. It is free, works on Android 6.0 and higher, and has a version 6.5 update from December 10, 2025.
- Version
- 6.5
- Requires Android
- 6.0
- Last Updated
- 10.12.2025
- Installations
- 500K+
- User Rating
- ★ 3.83 (2 118)
- Category
- Puzzle
- Developer
- Smart Family Apps
- Content rating
- Everyone
- Package
- air.Einstein.Challenge.SFA
- Free
- ✓ · Contains ads
Previews
Genius Challenge - Einstein's is a puzzle game by Smart Family Apps that provides a collection of intelligence games to strengthen memory and concentration. It is built around quick mental exercises that aim to improve focus, attention, and overall cognitive sharpness through playful challenges.
The app includes more than 200 stages designed to train different mental skills. Players move through brain exercises that test memory, logic, and attention, making it suitable for short daily sessions or longer play when you want to push yourself.
It is intended for people who enjoy casual puzzle games and want a light, everyday mental workout. The game is free to play and carries a content rating of Everyone, so it can be used by a broad audience, from students to adults looking for a simple way to keep their minds active.
Key features
- More than 200 stages for developing mental skills.
- Brain exercises focused on improving concentration and attention.
- Memory training and development activities.
- Fun mind games built around intelligence challenges.
- Free to play with no in-app purchases.
How to install
- Tap the download button on this page to get the APK file.
- If prompted, allow your browser or file manager to install apps by enabling the "Install unknown apps" setting.
- Open the downloaded APK file from your notifications or file manager.
- Tap Install and wait for the process to finish.
- Open the app and start playing. The file size is not specified, and your device must run Android 6.0 or higher.
Pros
- Large number of stages gives long-term variety.
- Focus on memory and concentration training.
- Free to play with no in-app purchases.
- Suitable for all ages with an Everyone content rating.
- Simple, casual gameplay that fits into daily routines.
Cons
- Contains ads, which can interrupt the experience.
- Repetitive puzzle formats after long sessions.
- Requires internet-related permissions mainly for ad services.
- No in-app purchases to remove ads.
Previous Versions
| Version | File Size | Requires Android | Last Updated |
|---|---|---|---|
| 6.5 | — | 6.0 | 10.12.2025 |
| 6.4.64 | 27 MB | 5.0 | 06.12.2025 |
This app is for casual puzzle fans and anyone who wants a light daily brain-training routine. It suits students, older adults, or busy people who prefer short mental exercises over complex or time-consuming games.
Try playing for 5–10 minutes daily instead of long sessions. Short, regular practice tends to help more with memory and focus. If you find a stage repetitive, move to a different type of puzzle to keep the challenge fresh.
App Permissions
Common Inquiries
Is Genius Challenge - Einstein's free to download?
Yes, the app is free and listed at 0.00 USD. It does contain ads, and there are no in-app purchases.
Which Android version do I need to run it?
The app requires Android 6.0 or later. Make sure your device meets that minimum before installing.
How big is the download file?
The available information does not list a file size, so the exact download size is not stated here.
Do I need to create an account to play?
No account setup is described for this game. You install it and start playing the puzzle stages.
What permissions does the app request?
The listed permissions cover internet and network state access, ad-related identifiers and attribution, a foreground service, wake lock, and receiving push messages and install referrer data. No access to your contacts, camera or location is listed.
How do I update to a newer version?
When a new release appears, download the latest version from this page and install it over your current copy. The most recent version listed is 6.5, released on 2025-12-10.
Genius Challenge - Einstein's offers a large set of mentally engaging puzzles in a free package. While ads and occasional repetition may interrupt the flow, the app still provides a practical way to build a daily brain-training habit. If you want a simple, low-commitment mental workout, it is worth trying.
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Last Updated: 18.10.2026