What is the best alternative to Photos on iPhone?

Google Photos: Backup & Edit, S tier, #1 in photo viewing.

Is there a free alternative to Photos?

Yes: Google Photos: Backup & Edit (S tier, #1) is free to download, with in-app purchases.

Yes. 1 app ranks above it in photo viewing: Google Photos: Backup & Edit (#1).

Photos is B tier, #2 of 6 in photo viewing. Here is everything that competes with it on iPhone, in tier order.

1
Google Photos: Backup & EditShigher tier
Free + IAP · ★ 4.8 · 1,624,200 ratings · score 99
Stores, backs up, edits, organizes, and searches photos and videos, with AI-based editing and search tools.
3
HuntSmart: Trail Cam AppC
Free download · ★ 4.5 · 12,488 ratings · score 68
Free app for viewing, managing, and configuring Wildgame Innovations cellular trail cameras, with photos, video, and.
4
Photo Gallery - Gallery LockC
Free + IAP · ★ 4.5 · 4,598 ratings · score 66
Photo and video gallery with albums, slideshows, sharing, and password-protected, encrypted hiding of private files.
5
Gallery - Private Photo VaultC
Free download · ★ 4.5 · 3,519 ratings · score 62
Photo and video viewer with albums, an encrypted Gallery Lock for private media, and basic editing and sharing tools.
6
Gallery : Media File ManagerD
Free + IAP · ★ 4.3 · 104 ratings · score 51
Browses photos, videos and music files by folder or type, and finds and deletes similar images or videos.

What is the best alternative to Photos on iPhone?: Google Photos: Backup & Edit, S tier, #1 in photo viewing.
Is there a free alternative to Photos?: Yes: Google Photos: Backup & Edit (S tier, #1) is free to download, with in-app purchases.
Does anything rank above Photos?: Yes. 1 app ranks above it in photo viewing: Google Photos: Backup & Edit (#1).