Pendulum - Pen Pal Tracker app icon

Apps Like Pendulum - Pen Pal Tracker for iPhone and iPad

Track letters, record supplies, set reminders

Track correspondence with friends by recording send/receive dates and calculating delivery times. Log pen, ink, and paper details for each letter. Set reminders to write back or post letters. Sync data via iCloud for cross-device access.

by Benjamin Cardy★ 4.112 ratingsUtilitiesFreeData updated 2026-09-06

Pendulum - Pen Pal Tracker screenshots

Ranked alternatives

Showing 581–600 of 1,000 ranked alternatives.

  1. ASKOAS app icon

    ASKOAS

    Muhammad Aftab

    Manage minute sheets, ION, and OL documents

    Manage official documents with minute sheets, inter office notes, and official letters. Create, approve, and track correspondence. Store and retrieve documents digitally. Facilitate communication between departments.

    ★ 0.00 ratingsBusinessFreeData updated 2026-09-17
  1. NoteYebos app icon

    NoteYebos

    Shenzhen Jinji Digital Technology Co.,Ltd

    ★ 1.810 ratingsProductivityFreeData updated 2026-09-06
  2. Square Sketch app icon

    Square Sketch

    DANIEL ROTH

    With precision and clarity

    Create diagrams, technical sketches, and geometric art on digital graph paper. Draw with customizable pen colors and stroke widths. Edit objects after drawing. Use full-screen mode and hideable guides for focused design.

    ★ 0.00 ratingsProductivity$29.99Data updated 2026-09-06
  3. My Contraction Tracker app icon

    My Contraction Tracker

    Sonya Marcarelli

    Track contractions, record details, note observations

    Track contractions with start and end times, length, intensity, frequency, and notes. Calculate average frequency and length. Modify data if timing is missed. Email the full table for records.

    ★ 4.58 ratingsHealth & FitnessFreeData updated 2026-09-08
  4. My Mood Journal app icon

    My Mood Journal

    寒雪 吴

    Record moods and track daily feelings

    Record and reflect on daily changes by journaling entries. Track emotional patterns over time. Set reminders to log moods. Receive daily motivational prompts to improve well-being.

    ★ 5.03 ratingsLifestyleFreeData updated 2026-09-11

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.