Best PDF Editor for iPhone: Top Apps and How to Edit with WPS

Your iPhone is already great at a lot of things. Working with PDFs should be one of them. Whether you are reviewing class notes, signing a contract between meetings, or reading a report on the train, the best PDF editor for iPhone turns your phone into a real workspace—not just a viewer.

Apple’s built-in Preview and Files apps handle basic viewing, highlighting, and signing. Once you need to edit existing text, merge pages, fill forms neatly, or convert a PDF to Word, a dedicated app makes the difference. Below is a practical roundup of top iPhone PDF editors, followed by a closer look at why WPS Office fits everyday mobile workflows—and step-by-step guides with screenshots.

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Why the Best PDF Editor for iPhone Makes It Easy

Yes, every iPhone can open PDFs out of the box. You can highlight text, add a quick markup, and sign a document in Preview or Files without installing anything.

But once you need to:

edit existing text instead of covering it with a text box
fill out multi-page forms with clean alignment
merge, split, or reorder pages
convert PDFs to Word, Excel, or images
run OCR on scanned pages
keep PDF work alongside Word, Excel, and slides in one app

…you will hit the limits of built-in tools. That is where a dedicated PDF editor for iPhone earns its place on your home screen.

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Top PDF Editor Apps for iPhone: A Practical Comparison

Below is a side-by-side look at the most popular PDF editor apps for iPhone, based on everyday mobile use—not desktop feature checklists.

PDF editor	Best for	Edit PDF features	Annotation features	Free tier	App Store rating
WPS Office	All-in-one office + PDF on iPhone	Edit text and images, merge/split/compress, convert to Word/Excel, OCR, page tools	Highlight, underline, comments, shapes, freehand, e-signatures	Free download; advanced PDF tools on Pro+	4.8
PDF Expert	Smooth reading and touch-first editing	Edit text/images, redact, organize pages, outlines	Highlight, draw, stamps, audio notes	7-day trial	4.6
Adobe Acrobat Reader	Business workflows and Adobe ecosystem	Edit text/images, merge, compress, organize	Sticky notes, comments, highlights	Free basics; premium for full edit	4.6
PDFelement	Balanced editing and AI extras	Edit text/images, import fonts, page management	Callouts, sticky notes, shapes	Limited free trial	4.6
PDFgear	Free, all-in-one editing	Insert text, edit images, organize pages	Highlight, underline, draw shapes	Free	4.7
Xodo	Essential editing and markup	Compress, merge, rotate, edit text/images	Stamps, notes, markup tools	3-day trial	4.3
Foxit PDF Editor	Advanced forms and security	Edit text/images, insert links/media, organize	Annotations, stamps	7-day trial	4.3
iLovePDF	Quick basic tools and scanning	Organize, compress PDFs	Highlight, notes, draw, insert images	Free basics; premium for full suite	4.8

Note: Ratings and pricing change over time. Check each app’s App Store listing for the latest details.

How to Choose the Best PDF Editor for iPhone for Your Workflow

There is no single winner for every user. Match the app to how you actually work on iPhone:

Need a free starting point? PDFgear and built-in Preview cover light viewing and markup. For deeper edits without a PDF-only subscription, WPS Office is a strong free download with a broad toolkit.
Live in Adobe’s business stack? Adobe Acrobat Reader offers the broadest compatibility with enterprise signing and review workflows—though full editing usually requires a subscription.
Want the smoothest Apple-native feel? PDF Expert is often praised for reading mode, touch gestures, and iCloud sync across iPhone, iPad, and Mac.
Mix PDFs with Word, Excel, and slides? WPS Office keeps every format in one app, which cuts down on switching when a PDF is just one step in a longer task.

If your day involves contracts, lecture notes, and the occasional spreadsheet export, treating WPS as your default best PDF editor for iPhone setup reduces friction more than juggling three separate apps.

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Why WPS Office Stands Out as the Best PDF Editor for iPhone

WPS Office packs Docs, Sheets, Slides, and PDF into one iPhone app—so it works well when you need the best PDF editor for iPhone and everyday office files in the same workflow.

WPS advantage	What you get on iPhone
All-in-one office suite	Open DOC, XLS, PPT, TXT, and PDF in one app; convert formats and share via AirDrop or Mail
Direct PDF editing	Fix typos, update dates, and swap images in place—no full-file conversion first
Annotate & review	Highlight, sticky notes, shapes, and freehand markup; sync via iCloud or other cloud storage
Fill & sign	Complete form fields; draw, type, or save e-signatures for contracts and approvals
PDF utilities	Merge, split, compress, rotate pages, add watermarks, and run OCR on scans (Pro+)
Cross-platform sync	Start on iPhone, continue on iPad, Mac, or Windows with the same cloud-connected files

Core annotation is free to use. Advanced edit, OCR, and conversion may require WPS Pro+—often priced below PDF-only premium plans from Adobe or PDF Expert.

How to Edit a PDF on iPhone with WPS Office

Ready to try WPS? Install WPS Office for iOS from the App Store, then follow the workflows below for the task you have today.

Step 1: Open your PDF in WPS Office

Launch WPS Office on your iPhone.
Go to the Files or Home tab and locate your PDF—on device storage, iCloud, or another connected cloud folder.
Tap the file to open it in the built-in PDF viewer.

Step 2: Edit text in your PDF

With the PDF open, tap Edit or go to Tools → PDF Edit.
Select the Text tool, then tap the paragraph you want to change.
Revise the wording, adjust font size or color if needed, and tap save or done.

Tip: Scanned pages behave like images. If text is not selectable, use OCR or convert the PDF to Word before editing.

Step 3: Annotate and highlight

Open the annotate or comment toolbar from the bottom menu.
Choose Highlight, Underline, or Strikethrough, then swipe across the target text.
Add a sticky note or text box for longer feedback tied to a specific spot.
Save when your review is complete.

Step 4: Fill forms and sign

Open the PDF form in WPS Office.
Tap each field and enter the requested information.
Open Fill & Sign (or Sign from the toolbar).
Draw or type your signature, place it on the signature line, resize if needed, and save.

Step 5: Merge, compress, or convert PDFs

From the PDF viewer or Tools tab, open PDF utilities (merge, split, compress, convert).
Select the action you need—for example, merge two reports or compress a large scan before emailing.
Follow the on-screen prompts, then save or share the output via AirDrop, Mail, or your cloud folder.

For major rewrites—multi-page reports or complex tables—convert the PDF to Word inside WPS, edit in Writer, then export back to PDF when the content is ready.

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FAQs

What is the best PDF editor for iPhone overall?
It depends on your workflow. PDF Expert is widely praised for Apple-native polish; Adobe Acrobat fits Adobe-centric teams; WPS Office is a top pick when you want PDF editing plus Word, Excel, and slides in one free-to-download app.

Can I edit PDF text directly on iPhone?
Yes. Apps like WPS Office, PDF Expert, Adobe Acrobat Reader, and PDFelement let you edit existing text in born-digital PDFs. Built-in Preview only adds overlay text boxes—it does not rewrite the original text layer.

Are there free PDF editors for iPhone?
Yes. Preview and Files cover basic viewing and markup. PDFgear offers a free editing toolkit. WPS Office is free to download with generous basics; advanced PDF edit, OCR, and conversion may require WPS Pro+.

Does WPS Office work on iPhone and iPad?
Yes. WPS Office runs on iPhone and iPad with the same core PDF tools. Files saved to cloud storage stay accessible across your Apple devices and other platforms.

Can I sign PDFs on iPhone without printing?
Absolutely. WPS Fill & Sign, Adobe Acrobat, PDF Expert, and several other apps let you draw or type a signature directly on the form. Confirm your organization’s policy for legally binding e-signatures on high-stakes contracts.

How do I edit a scanned PDF on iPhone?
Run OCR or convert the scan to an editable format first. WPS Office includes OCR tools on supported plans; without OCR, text on a scan remains an image you cannot select like normal paragraphs.

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Summary

The best PDF editor for iPhone is the one that finishes your task without sending you back to a laptop. For light markup, built-in tools or PDFgear may be enough. For business Adobe workflows, Acrobat remains the familiar choice. For polished Apple-only reading and editing, PDF Expert is a frequent recommendation.

If your work mixes PDFs with everyday office files—and you want edit, annotate, sign, merge, and convert in one place—WPS Office delivers professional-grade PDF tools on iPhone at a lower total cost than stacking multiple single-purpose apps. Install it, open your next PDF, and pick the workflow that matches the file in front of you.

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Table of Content

Best PDF Editor for iPhone: Top Apps and How to Edit with WPS

Why the Best PDF Editor for iPhone Makes It Easy

Top PDF Editor Apps for iPhone: A Practical Comparison

How to Choose the Best PDF Editor for iPhone for Your Workflow

Why WPS Office Stands Out as the Best PDF Editor for iPhone