What is the best alternative to Bills Manager on iPhone?

Chronicle - Bill Organizer, S tier, #2 in bill organization.

Is there a free alternative to Bills Manager?

Yes: Chronicle - Bill Organizer (S tier, #2) is free to download.

No. Bills Manager is #1 in bill organization.

Bills Manager is S tier, #1 of 6 in bill organization. Here is everything that competes with it on iPhone, in tier order.

2
Chronicle - Bill OrganizerS
Free download · ★ 4.8 · 3,850 ratings · score 92
Bill organizer that sends payment reminders, keeps payment history with confirmation numbers, and syncs bills across.
3
Weekly: Budget Planner & BillsA
Free download · ★ 4.8 · 3,820 ratings · score 83
Budget planner and spending tracker that calculates a weekly safe-to-spend amount from bills, income and savings goals.
4
My Bills++A
Free + IAP · ★ 4.3 · 2,621 ratings · score 82
Tracks bills and due dates with payment alerts, a calendar, spending reports, categories and iCloud sync.
5
Bill OrganizerA
Free + IAP · ★ 4.4 · 4,894 ratings · score 80
Tracks monthly bills with reminders, shared bill members, categories, calendar view, and graphical reports.
6
Bills Organizer & ReminderC
Free download · ★ 4.7 · 24,869 ratings · score 69
Tracks and manages bills in one place, with payment reminders, calendar and chart views, and CSV export.

What is the best alternative to Bills Manager on iPhone?: Chronicle - Bill Organizer, S tier, #2 in bill organization.
Is there a free alternative to Bills Manager?: Yes: Chronicle - Bill Organizer (S tier, #2) is free to download.
Does anything rank above Bills Manager?: No. Bills Manager is #1 in bill organization.