App Intel

Preface

LivePreface Coding1 app · 1.2K installsEducationFreeai.preface.app

Tech Knowledge for a Fast-Changing World

Alert me★ WatchOpen in Play ↗
Total installs
1,222
exact · Play shows 1,000+
Installs / day
—
measured after our second crawl (about a day)
Rating
—★
— ratings · — reviews
Released
—
—
Last update
25 Sept 2026
v1.7.0 · 16d ago
Countries
0/1
live · checked 10h ago

Install history

exact counter from Google Play
Not enough history yet — check back tomorrow
Not enough history yet — check back tomorrow

Installs per day · last 90 days

Not enough history yet — check back tomorrow

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

Live 0Listed, not installable 1Not listed 0
United States

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.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • No data shared with third parties
  • Collects data Device or other IDs
  • Data is not encrypted
  • You can ask for your data to be deleted
  • 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

17 in 6 groups
8 Sensitive3 Notable6 Routine

What this app can do with your phone

  • Know roughly where you are, using mobile towers and Wi-Fi networks
  • Know your exact location using GPS, Wi-Fi and mobile networks
  • Use your camera to take photos and record videos
  • Read photos, videos, and other files saved in your phone's shared storage
  • Add, change or delete photos, videos and other files in your phone's storage
  • Show its own windows or bubbles on top of other apps you are using
LocationSensitive2

Access to where your device is, using GPS or network signals

  • Know roughly where you are, using mobile towers and Wi-Fi networksapproximate location (network-based) · ACCESS_COARSE_LOCATION
  • Know your exact location using GPS, Wi-Fi and mobile networksprecise location (GPS and network-based) · ACCESS_FINE_LOCATION
Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
StorageSensitive2

Access to files, photos and media saved on your phone's storage

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
CameraSensitive1

Access to your camera to take photos and record video

  • Use your camera to take photos and record videostake pictures and videos · CAMERA
Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

  • See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE
OtherSensitive9

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

  • Show its own windows or bubbles on top of other apps you are usingdraw over other apps · SYSTEM_ALERT_WINDOW
  • Change volume and choose which speaker or headset plays soundchange your audio settings · MODIFY_AUDIO_SETTINGS
  • Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
  • 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
  • Make your phone vibratecontrol vibration · VIBRATE
  • Read Google service settings stored on your deviceread Google service configuration · com.google.android.providers.gsf.permission.READ_GSERVICES
  • Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

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
Tech Knowledge for a Fast-Changing World Preface is a leader in tech education, offering innovative learning experiences powered by advanced AI technology. Our mission is to transform how you approach learning, making it more engaging and accessible than ever before. Key Features — • In-Trend Tech Knowledge: Discover personalised learning paths designed to help you master the latest technology trends. Whether you’re a beginner or an advanced learner, our courses adapt to your unique needs and learning style. • Interactive Quizzes: Test your knowledge with engaging Q&A flashcards. Challenge yourself and reinforce your understanding of key tech concepts through dynamic, interactive quizzes that make learning enjoyable and effective. • Personalised Learning Journey: Embark on a tailored educational experience that grows with you. Preface offers bespoke learning opportunities, ensuring you gain the skills needed to excel in the ever-evolving tech landscape. • Seamless Coffee Experience: Enjoy a unique blend of learning and leisure with our integrated coffee ordering feature. Whether you’re studying or taking a break, order your favourite brew effortlessly through the app. Join Preface today and embark on a transformative learning journey. Experience the future of education, where technology meets personal growth, anytime, anywhere.

What's new

- 1:1 class cancellation feature - Show class notes for bootcamp completed classes - Display make-up class quota for membership - Rebrand membership tiers - Show teacher in class details - Show classmates for 1:2 / 1:3 lessons in class details

Growing in Education

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