What is the best alternative to Copy My Data - Smart Transfer on iPhone?

Verizon Content Transfer, A tier, #2 in data transfer.

Is there a free alternative to Copy My Data - Smart Transfer?

Yes: Verizon Content Transfer (A tier, #2) is free to download.

No. Copy My Data - Smart Transfer is #1 in data transfer.

Copy My Data - Smart Transfer is S tier, #1 of 8 in data transfer. Here is everything that competes with it on iPhone, in tier order.

2
Verizon Content TransferA
Free download · ★ 4.7 · 32,699 ratings · score 86
Moves contacts, photos, videos, calendars and reminders from an old device to a new one by scanning a QR code.
3
Copy My DataA
Free + IAP · ★ 4.2 · 2,611 ratings · score 86
Moves files to iPhone or iPad over Wi-Fi, imports photos and documents, and exports contacts as VCF or CSV, processed.
4
Smart Transfer AppA
Free download · ★ 4.5 · 341 ratings · score 82
Moves contacts, photos, videos, music and more between phones over Wi-Fi or hotspot using an Activation Code.
5
Contacts Sync: Google & MoreC
Free + IAP · ★ 4.6 · 14,934 ratings · score 69
Syncs contacts between an iPhone and Google or Outlook accounts, including labels, groups, and all contact fields.
6
Contacts MoverC
Free + IAP · ★ 4.7 · 2,696 ratings · score 60
Syncs or moves contacts between any two contact accounts on iPhone, with 2-way, 1-way and manual modes.
7
Easy Backup.D
Free download · ★ 4.8 · 10,593 ratings · score 58
Backs up, restores and transfers phone contacts, with cloud backup or exporting a.vcf file by email or share services.
8
Export ContactD
Free + IAP · ★ 4.6 · 3,721 ratings · score 56
Exports iPhone or iPad contacts to Excel, CSV or vCard files for backup or transfer.

What is the best alternative to Copy My Data - Smart Transfer on iPhone?: Verizon Content Transfer, A tier, #2 in data transfer.
Is there a free alternative to Copy My Data - Smart Transfer?: Yes: Verizon Content Transfer (A tier, #2) is free to download.
Does anything rank above Copy My Data - Smart Transfer?: No. Copy My Data - Smart Transfer is #1 in data transfer.