Movies like Voicemails for Isabelle

If you're drawn to Voicemails for Isabelle's mix of epistolary intimacy and strangers bonding through vulnerability, you'll likely gravitate toward Isabel's Garden or For Her, which both mine that same tension of one-sided communication building unexpected connection across distance. Younger could work if you want the mistaken-identity angle sharpened with comedic timing, though it trades some of the confessional rawness for romantic lightness. Fair warning: most of these lean harder into either the grief-as-catalyst angle or the one-sided-message structure than they do the specific alchemy of accidental connection that makes the premise work.