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
App detailsView in App Store

Pendulum - Pen Pal Tracker screenshots

Ranked alternatives

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  2. MorseTest app icon

    MorseTest

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    Practice Morse Code with random words.

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    Build resumes and cover letters with AI

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How we rank alternatives

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