Java4Java Live

Name: Java4Java
Author: Ryan Hamby

Ryan Hamby1 app · 10 installsEducationFree · contains adscom.mochacode.app.java4java

Master coding interviews skills-- one flashcard at a time.

Alert me ★ Watch Open in Play ↗

Total installs: 10
Installs / day: —
Rating: —★
Released: 24 Apr 2026
Last update: 27 Sept 2026
Countries: —

Install history

exact counter from Google Play

30d

Installs per day · last 30 days

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

Permissions

5 in 1 group

0 Sensitive1 Notable4 Routine

OtherNotable5

Access to miscellaneous device features that don't fit other categories

Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
Read Google service settings stored on your deviceread Google service configuration · com.google.android.providers.gsf.permission.READ_GSERVICES

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description

Sharpen your coding interview skills with Java4Java, the ultimate flashcard companion for coding interview practice. Built by developers, for developers, this app helps you internalize algorithms, data structures, and design patterns—fast. No distractions. No filler. Just clean, high-signal flashcards to strengthen your problem-solving muscle memory and keep your coding skills razor-sharp. * Interview-Style Flashcards – Cover essential algorithms, patterns, and interview topics in clean, Python-based examples. * Topic-Focused Learning – Sort by category: Arrays, Trees, Graphs, DP, Recursion, and more. * Active Recall + Spaced Repetition – Learn smarter with evidence-backed techniques for long-term retention. * Python-Centric Solutions – Every explanation and code snippet is written natively in Python. * Progress Tracking – See your improvement across problem types and revisit weak areas effortlessly. * Offline Mode – Review flashcards anytime, anywhere—no Wi-Fi required. * Interview Ready Mode – Simulate timed question sessions to prep like the real thing.

What's new

Java4Java is now AlgoCards: Code Interview Prep, with a fresh new look and icon. • New name, logo and app design • Smoother, more reliable sign-in with email or Google • Faster startup — you stay signed in when you reopen the app • Spaced-repetition improvements for the Senior SWE deck • Privacy: the app no longer requests location access • Bug fixes and performance improvements

Growing in Education

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