// SOVEREIGN CLIENT APPS & UTILITIES //

Tekromancy Applications

Native Android applications and security-hardened tools engineered for longevity, privacy, and radical hardware autonomy. 100% on-device processing with zero telemetry surveillance.

Battery Longevity • Power Management v1.0
CLOSED BETA
🔋

SpareTank

Intelligent Battery Longevity & Emergency Power Guard

An intelligent Android battery longevity coach and emergency reserve manager. Prevents electrochemical cycle degradation through proactive 25%–75% charging alerts, and automatically preserves an untouched 15% spare tank for critical emergencies.

// Architectural Highlights
  • ✓ 25%–75% cycle degradation prevention alerts
  • ✓ Guaranteed 15% emergency reserve power buffer
  • ✓ Electrochemical degradation and capacity retention telemetry
  • ✓ Zero tracking, zero ads, zero background telemetry drain
#Android #Battery Health #On-Device #Power Guard #Privacy
Telemetry & Specs VERIFIED
Platform
Android 10+
Telemetry
100% On-Device / Zero Cloud
Package ID
com.tekromancy.sparetank
Architecture
Native Kotlin / Jetpack Compose
Launch SpareTank Portal Google Play Closed Beta
// INTERACTIVE SIMULATOR // CAPACITY RETENTION ENGINE
ALGORITHM: ECKER ET AL. LI-ION
5000 mAh
3,000 mAh7,000 mAh
3 Years
1 Year5 Years
1.2 Cycles/Day
Light (0.5)Heavy (2.5)
Conventional 0%–100% Full Cycling89% Health
Retained Capacity:4450 mAh
Severe capacity fade • Accelerated SEI growth
SpareTank 25%–75% Guided Protocol96% Health
Retained Capacity:4800 mAh
+350 mAh capacity preserved (~+0.2 yrs extra lifespan)
Telecom Screening • Notification Firewall v1.0
CLOSED BETA
🛡️

Silent Mode Control

Custom Android Call Screening & Granular Schedules

Take absolute control over when your smartphone rings or silences. Empowers users with granular ringer, vibration, and mute schedules for individual numbers and contact groups via the native Android Telecom framework. 100% on-device processing.

// Architectural Highlights
  • ✓ Native Android Telecom framework call screening
  • ✓ Granular ringer and vibration schedules per contact & group
  • ✓ 24-hour visual scheduling timeline matrix
  • ✓ 100% on-device processing with zero data collection
#Android #Call Screening #Firewall #Telecom #Zero Tracking
Telemetry & Specs VERIFIED
Platform
Android 11+
Call Engine
Android Telecom Screening Service
Package ID
com.tekromancy.silentmodecontrol
Privacy
Zero Cloud Sync / Zero Ad SDKs
Launch SMC Portal Google Play Closed Beta
// INTERACTIVE SIMULATOR // 24-HOUR TELECOM MATRIX
SELECTED: 14:00 HRS
Click any hour to test dynamic telecom firewall transitions:OPERATIONAL HOURS (09:00 - 18:00)
// VIP & Family
Full Ring
VIP priority pass
// On-Call Rotation
Full Ring
Production duty active
// Work / Clients
Full Ring
Team & customer calls ring normally
// Unknown / Spam
Screen & Drop
Spam firewall active
// CORE DESIGN DOCTRINE //

Radical Hardware Autonomy

Every application built by Tekromancy adheres to strict privacy and local computational sovereignty tenets.

🔒

100% On-Device Execution

Zero central servers recording phone calls, contact books, charging logs, or location coordinates. Your data stays in local flash memory.

⚡

Hardware Longevity

We design tools that actively mitigate planned obsolescence, prevent battery cell degradation, and optimize silicon duty cycles.

🚫

Zero Surveillance SDKs

No invasive advertising libraries, no hidden tracker analytics, and no background wake-lock drains masquerading as utilities.

Want Early Beta Access to Tekromancy Builds?

Join our open closed-beta testing group to receive immediate APK updates and direct access to upcoming sovereign tool releases.

Request Beta Invite (tekromancy@googlegroups.com) Direct Transmission Contact