What is the best alternative to Paper: Writing App, Notes on iPhone?

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

Is there a free alternative to Paper: Writing App, Notes?

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

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

Paper: Writing App, Notes is C tier, #4 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.
5
TextEditor : Rich Text EditorC
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 WriterC
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)C
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.
8
Hanx WriterF
Free + IAP · ★ 3.7 · 3,525 ratings · score 34
Typewriter-style word processor for iPhone and iPad with typewriter sounds, document sharing, and typing in third-party.

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