What is the best alternative to Werdsmith: Writing App on iPhone?

Ulysses: Writing App, S tier, #2 in book writing.

Is there a free alternative to Werdsmith: Writing App?

Yes: Ulysses: Writing App (S tier, #2) is free to download, with in-app purchases.

No. Werdsmith: Writing App is #1 in book writing.

Werdsmith: Writing App is S tier, #1 of the 9 tiered apps in book writing. Here is everything that competes with it on iPhone, in tier order.

2
Ulysses: Writing AppS
Free + IAP · ★ 4.6 · 3,378 ratings · score 92
Writing app for Mac, iPhone and iPad with a markup-based editor, document library, sync, grammar checking and export.
3
Book Creator: Author AIS
Free + IAP · ★ 4.5 · 4,280 ratings · score 91
An AI writing app for creating stories, novels, scripts, and poems.
4
MyStory.today: Write a BookA
Free + IAP · ★ 4.5 · 3,174 ratings · score 86
Writing app for novels, short stories and screenplays with chapters, scenes, a corkboard, timelines and character tools.
5
Fortelling - Story WritingC
Free + IAP · ★ 4.5 · 1,044 ratings · score 63
Free iOS app for novelists to plot, world-build, draft and write a book, with collaboration and weekly writing prompts.
6
Writing Space: Books & ScriptsC
Free + IAP · ★ 4.3 · 2,351 ratings · score 62
A customizable word processor with templates, formatting, daily word goals, automatic backups and online publishing.
7
AI Story Generator - InkPalC
Free + IAP · ★ 4.2 · 373 ratings · score 61
AI story generator and novel-writing workspace for building plots, chapters, characters and narrated stories.
8
ScrivenerD
$23.99 · ★ 4.2 · 5,390 ratings · score 56
Writing app for long manuscripts with outlining, research storage, and export to Word, PDF and plain text.
9
Big Lemon: Novel WriterF
Free + IAP · ★ n/a · 0 ratings · score 24
Writing app for novelists to plan story cards, outlines and characters, draft chapters, and get optional AI feedback.

What is the best alternative to Werdsmith: Writing App on iPhone?: Ulysses: Writing App, S tier, #2 in book writing.
Is there a free alternative to Werdsmith: Writing App?: Yes: Ulysses: Writing App (S tier, #2) is free to download, with in-app purchases.
Does anything rank above Werdsmith: Writing App?: No. Werdsmith: Writing App is #1 in book writing.