What is the best alternative to Xmind: AI Mind Map, Brainstorm on iPhone?

Miro: your visual workspace, S tier, #2 in mind mapping.

Is there a free alternative to Xmind: AI Mind Map, Brainstorm?

Yes: Miro: your visual workspace (S tier, #2) is free, with no in-app purchases.

No. Xmind: AI Mind Map, Brainstorm is #1 in mind mapping.

Xmind: AI Mind Map, Brainstorm is S tier, #1 of the 6 tiered apps in mind mapping. Here is everything that competes with it on iPhone, in tier order.

2
Miro: your visual workspaceS
Free download · ★ 4.6 · 12,478 ratings · score 93
Miro is a visual workspace where distributed teams sketch, plan, and collaborate on shared boards, with iPad and iPhone.
3
VisualMind: AI MindMap/ChatbotA
Free + IAP · ★ 4.5 · 4,768 ratings · score 89
Education app for learning topics through AI mind maps or chat, including summaries of YouTube videos.
4
Prodrafts - Infinite NotesA
Free + IAP · ★ 4.8 · 6,679 ratings · score 89
Handwritten notes, PDF annotation, an infinite canvas, paged notebooks and mind maps in one productivity app.
5
LucidchartA
Free download · ★ 4.5 · 14,358 ratings · score 82
Mobile app for creating, viewing and editing diagrams such as flowcharts, mind maps, org charts and Venn diagrams in.
6
MindNode - ClassicC
Free · ★ 4.5 · 2,726 ratings · score 60
Brainstorming and mind mapping app for iPhone, iPad and Mac that links an outline view with a mind map.

What is the best alternative to Xmind: AI Mind Map, Brainstorm on iPhone?: Miro: your visual workspace, S tier, #2 in mind mapping.
Is there a free alternative to Xmind: AI Mind Map, Brainstorm?: Yes: Miro: your visual workspace (S tier, #2) is free, with no in-app purchases.
Does anything rank above Xmind: AI Mind Map, Brainstorm?: No. Xmind: AI Mind Map, Brainstorm is #1 in mind mapping.