Deruki

Name: Deruki
Author: Deruju Labs

LiveDeruju Labs2 apps · 58 installsCommunicationFreeIn-app purchases: $1.09 - $5.49 per itemcom.deruki.app

Build confidence in English speaking, interviews, and presentations.

Alert me ★ Watch Open in Play ↗

Total installs: 41
Installs / day: —
Rating: —★
Released: 4 Jul 2026
Last update: 4 Jul 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

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

10 in 5 groups

6 Sensitive1 Notable3 Routine

What this app can do with your phone

Use your camera to take photos and record videos
Record sound using your phone's microphone
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

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

MicrophoneSensitive1

Access to your phone's microphone to record sound

Record sound using your phone's microphonerecord audio · RECORD_AUDIO

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

Deruki is an AI-powered communication confidence coach designed to help you improve your speaking skills through consistent practice. Whether you're preparing for job interviews, public speaking, presentations, group discussions, or everyday English conversations, Deruki provides structured exercises that help build confidence and fluency. Key Features: • Practice speaking with guided communication challenges • Interview preparation exercises • Public speaking and presentation practice • Storytelling and confidence-building activities • Speech transcription and feedback • Track your speaking progress over time • Audio and video practice sessions • Offline-first design for privacy and uninterrupted learning Privacy First: Deruki is designed with a privacy-focused approach. Your recordings and practice data remain on your device unless you explicitly choose to share them. Who is Deruki for? • Students preparing for interviews and presentations • Professionals improving workplace communication • Job seekers practicing interview skills • Anyone looking to become a more confident speaker Start practicing today and build the communication skills that create opportunities in education, career growth, and everyday life.

What's new

Welcome to Deruki — your offline-first speaking confidence coach. • Practice interview, public speaking, storytelling, impromptu, and read-aloud — on your schedule • Record sessions and get speech feedback with on-device transcription • Build daily habits with streaks, progress tracking, and weekly insights • Follow the 30-day Confidence Journey at your own pace • Works without internet — your practice stays private on your device • Optional Google Drive backup to keep recordings safe

Growing in Communication

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