TddStudy

Name: TddStudy
Author: nine20

Livenine206 apps · 1.2K installsEducationFreecom.nine20.tddstudy

Build a developer study habit with daily quizzes and adaptive review.

Alert me ★ Watch Open in Play ↗

Total installs: 8
Installs / day: —
Rating: —★
Released: 30 Jun 2026
Last update: 6 Aug 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 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.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
No data collected
Follows the Play Families Policy

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

4 in 1 group

0 Sensitive1 Notable3 Routine

OtherNotable4

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

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

TddStudy is a quiz and interactive reading app that helps developers build knowledge through short daily study and adaptive review. See what to study next on Home, then move naturally from results into wrong-answer review or the next lesson. Key features - A five-question daily goal, study streak, and recent activity summary - Due review recommendations and focused wrong-answer retries - Android, iOS, and backend courses organized by level - Quiz packs and interactive books with chapter checkpoints and tests - Immediate answer feedback with clear explanations - Result actions that lead into review, wrong answers, or the next lesson - Korean and English content with light and dark themes - Offline study for downloaded quiz packs and installed books Core study content ships with the app. Additional quiz packs and books are stored on your device after download, while saved study history powers your review recommendations.

What's new

The learning flow and visual design have been rebuilt. - Home now puts today's study, due review, wrong answers, and recent activity first. - Results lead naturally into incorrect-answer review or the next lesson. - Quiz pack discovery and book chapter checkpoints are easier to follow. - A new black-and-white theme and app icon unify the experience. - Loading and error states, larger text, and touch targets are more accessible.

Growing in Education

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