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Apps for Android and Windows for learning, practice, organization, and everyday tasks.

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Test - Create quizzes icon
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Test - Create quizzes

Create custom quizzes, add timers, share, and learn offline.

10K+ downloads Productivity Updated: May 4, 2026
  • Quick quiz generator by topic.
  • Offline mode, cloud backup, PDF export, and multiple question types.
Get on Play Store
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Hymns - Lyrics & Chords icon

Hymns - Lyrics & Chords

View lyrics and chords for hymns, organize repertoires, and keep your songs stored locally.

Available on Google Play Hymnal
  • Lyrics and chords for musical and congregational use.
  • Simple organization for repertoires.
Get on Play Store
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Hymns

Hymns - Lyrics & Chords

Organize songs and albums, edit lyrics and chords, and present your repertoire on another screen.

WindowsVersion 0.7.45
  • Songs, albums, and search in a local library.
  • Project lyrics and control tracking from your computer.
Download for Windows
Guess Number icon

Guess Number

A simple guessing game: find the number in as few tries as possible.

100+ downloads Puzzle Updated: Jan 23, 2026
  • Quick mental game with higher-or-lower hints.
  • Made for short sessions and simple play.
Get on Play Store
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Time Between Calculator icon

Time Between Calculator

Manage lists and calculate elapsed time between dates and times.

Not available Privacy available
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Time Between Calculator PRO icon

Time Between Calculator PRO

Advanced tracking with titles, notes, goals, and progress monitoring.

Not available PRO version
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