What is the best alternative to Hanx Writer on iPhone?

Runestone Text Editor, S tier, #1 in text editing.

Is there a free alternative to Hanx Writer?

Yes: Runestone Text Editor (S tier, #1) is free to download, with in-app purchases.

Yes. 7 apps rank above it in text editing: Runestone Text Editor (#1), Text Editor. (#2), iA Writer: Get Focused (#3) and more.

Hanx Writer is F tier, #8 of the 8 tiered apps in text editing. Here is everything that competes with it on iPhone, in tier order.

1
Runestone Text EditorShigher tier
Free + IAP · ★ 4.7 · 3,309 ratings · score 92
A plain text editor for iPhone and iPad with syntax highlighting, line numbers, search and replace, and code formatting.
2
Text Editor.Ahigher tier
Free + IAP · ★ 4.3 · 6,268 ratings · score 89
Browses and edits text files on your device and in cloud services including iCloud, Google Drive and Box.
3
iA Writer: Get FocusedAhigher tier
$19.99 · ★ 4.6 · 5,255 ratings · score 87
A plain text writing app for Markdown with a distraction-free editor, Focus Mode, Quick Search and export to several.
4
Paper: Writing App, NotesChigher tier
Free + IAP · ★ 4.6 · 2,702 ratings · score 67
A writing app with a clean editor that supports Markdown or Plain Text, iCloud sync, and exports to several file.
5
TextEditor : Rich Text EditorChigher tier
Free download · ★ 4.4 · 8,354 ratings · score 64
Free rich text editor for iPhone that edits TXT, RTF, RTFD, RTA and HTML files and syncs with Google Docs.
6
Just Write - App For WriterChigher tier
Free + IAP · ★ 4.3 · 3,044 ratings · score 63
A minimal text editor for writing that supports RTF and plain text (TXT) files with optional iCloud sync.
7
Documents (Office Docs)Chigher tier
Free download · ★ 4.5 · 155,623 ratings · score 62
Mobile office suite for editing spreadsheet and rich text files on iPhone and iPad, with online and offline use.

What is the best alternative to Hanx Writer on iPhone?: Runestone Text Editor, S tier, #1 in text editing.
Is there a free alternative to Hanx Writer?: Yes: Runestone Text Editor (S tier, #1) is free to download, with in-app purchases.
Does anything rank above Hanx Writer?: Yes. 7 apps rank above it in text editing: Runestone Text Editor (#1), Text Editor. (#2), iA Writer: Get Focused (#3) and more.