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Best Freestyle Libre 3 Reader Apps

250+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated July 2026

Out of 250+ freestyle libre 3 reader apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Freestyle Libre 3 Reader Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1FreeStyle Libre 3 – USFreeStyle Libre 3 – USFree2.4★ (6K)NoNoJul 2026
2Libre by AbbottLibre by AbbottFree4.6★ (110K)NoNoJul 2026
3FreeStyle LibreLink - USFreeStyle LibreLink - USFree2.9★ (3.3K)NoNoJul 2026
4PDF Scanner - File ReaderPDF Scanner - File ReaderFree5.0★ (2)YesNoJul 2026
5ReadEra – book reader pdf epubReadEra – book reader pdf epubFree4.2★ (222)NoNoJul 2026
6Apple BooksApple BooksFree4.4★ (71K)YesNoJul 2026
7Thorium ReaderThorium ReaderFree4.7★ (3)NoNoJul 2026
8Rah Book ReaderRah Book ReaderFree4.7★ (8.9K)NoNoJul 2026

Top Picks for Freestyle Libre 3 Reader

FreeStyle Libre 3 – US#1

FreeStyle Libre 3 – US by Abbott Labs

Continuous Glucose Monitoring
Editor's Choice
🏥 Medical
2.4😐(6K ratings)
Free
#35in Medical
FreeStyle Libre 3 – US screenshot 1
FreeStyle Libre 3 – US screenshot 2
FreeStyle Libre 3 – US screenshot 3
FreeStyle Libre 3 – US screenshot 4
FreeStyle Libre 3 – US screenshot 5
FreeStyle Libre 3 – US screenshot 6

Monitor your glucose levels in real-time with advanced continuous glucose monitoring technology. Receive immediate alerts for low or high glucose readings and gain insights into your trends with detailed reports. This app is designed for individuals managing diabetes.

What We Love

  • 🚀 Smaller and less obtrusive sensor
  • 🚀 Accurate continuous glucose monitoring
  • 👍 Helpful for managing diabetes
  • 👍 Improved from previous Libre versions

Room to Improve

  • 🐛 Frequent sensor failures and connectivity issues
  • 🔊 Loud and non-customizable alarms
  • 🔍 Limited data visualization and analysis capabilities
Libre by Abbott#2

Libre by Abbott by Abbott Labs

Continuous Glucose Monitoring
Strong Contender
🏥 Medical
4.6😊(110K ratings)
Free
#24in Medical
Libre by Abbott screenshot 1
Libre by Abbott screenshot 2
Libre by Abbott screenshot 3
Libre by Abbott screenshot 4
Libre by Abbott screenshot 5
Libre by Abbott screenshot 6

This app provides continuous glucose monitoring for individuals with diabetes. It automatically updates glucose readings to your phone every minute and offers insights into trends and settings. Compatible with specific FreeStyle Libre sensors, it aids in managing diabetes by tracking glucose levels.

What We Love

  • 🚀 Streaming every minute
  • 👍 User-friendly design
  • ⭐️ Five-star rating

Room to Improve

  • 🔧 Needs more customization
  • 🔍 Lack of detailed view
  • 🔌 Unreliable connection
FreeStyle LibreLink - US#3

FreeStyle LibreLink - US by Abbott Labs

Abbott Diabetes Care
Worth Considering
🏥 Medical
2.9😐(3.3K ratings)
Free
FreeStyle LibreLink - US screenshot 1
FreeStyle LibreLink - US screenshot 2
FreeStyle LibreLink - US screenshot 3
FreeStyle LibreLink - US screenshot 4
FreeStyle LibreLink - US screenshot 5

Monitor glucose levels by scanning a sensor with your smartphone. View current readings, trends, and history. Track notes on food, insulin, and exercise, and generate reports. Connect with healthcare professionals for comprehensive diabetes management.

What We Love

  • 🚀 Convenient and easy to use
  • 📈 Helpful for managing diabetes
  • 🔍 Provides detailed glucose data
  • 🔋 Sensor lasts 14 days

Room to Improve

  • 🐛 Inaccurate readings compared to finger sticks
  • 🔌 Compatibility issues with newer iOS versions
  • 🕰️ Delays in data transfer to Apple Health

More Freestyle Libre 3 Reader apps to explore

4
PDF Scanner - File Reader
PDF Scanner - File Reader
PDF Scanner - File Reader
Scan, Edit, Merge & Manage
Free

Transform your iPhone into a powerful document studio. Scan, read, edit, merge, and manage all your PDF files with this all-in-one, ultra-fast, and intuitive application. Keep your documents confidential with local processing.

Intelligent document scanningPDF reading and annotationDrawing and easy signing
🔧 Utilities
(2)
ad-supported
5
ReadEra – book reader pdf epub
ReadEra – book reader pdf epub
ReadEra – book reader pdf epub
Read books & PDF files easily!
Free

This app allows you to read and listen to books and documents in various formats, including PDF and EPUB. It offers text-to-speech functionality, customizable reading settings, and a built-in book manager for your library. Enjoy an ad-free and registration-free reading experience.

Multi-format ebook support (EPUB, PDF, MOBI, DOCX, etc.)Text-to-Speech (TTS) for listening to booksAd-free and registration-free experience
📚 Books
(222)
free
6
Apple Books
Apple Books
Apple Books
Read, listen, discover.
Free

Discover, read, and listen to millions of books and audiobooks. Browse curated collections, personalized recommendations, and bestsellers. Customize your reading experience with various themes and settings, and set reading goals to build a habit. Share your library with family.

Discover millions of books and audiobooksPersonalized recommendations and curated collectionsCustomizable reading experience (fonts, themes, spacing)
📚 Books
(71K)
free with in-app purchases
7
Thorium Reader
Thorium Reader
Thorium Reader
Read it your way
Free

Organize all your ebooks, comics, and manga in a single app. Customize your reading experience with adjustable text, fonts, and themes. Listen to audiobooks and zoom into visual content with ease.

Unified bookshelf for all contentAdjustable text size and spacingMultiple font options
📚 Books
(3)
free
8
Rah Book Reader
Rah Book Reader
Rah Book Reader
by Majid Sharifi
Free

This application allows users to download and read PDF documents and audiobooks. It offers a simple and free experience for accessing digital content on mobile devices.

Download PDF documentsRead audiobooksSimple interface
📚 Books
(8.9K)
free
9
PDF Reader: Edit & OCR Scan
PDF Reader: Edit & OCR Scan
PDF Reader: Edit & OCR Scan
Sign, annotate & convert files
Free

Easily scan, read, edit, and manage PDF documents on your iPhone and iPad. Convert images to PDF, extract text with OCR, and sign your documents. Organize files with merging, splitting, and password protection.

Scan documents with cameraConvert photos to PDFExtract text with OCR
📊 Productivity
(1)
free with in-app purchases
10
Yomi Comic
Yomi Comic
Yomi Comic
Comic & Manga Reader
Free
📚 Books
(0)
11
iPublishCentral Reader
iPublishCentral Reader
iPublishCentral Reader
by IMPELSYS INC
Free

Read and manage your digital library with this app. It supports PDF and EPUB formats, allowing you to organize books, customize your reading experience with notes and highlights, and sync progress across devices. Download content from various sources, including cloud storage and email.

Read PDF and EPUB ebooksOrganize books into shelvesAdd notes and highlights
📚 Books
(156)
free
12
eBoox - fb2 ePub book reader
eBoox - fb2 ePub book reader
eBoox - fb2 ePub book reader
Read books comfortably
Free

This application provides a comfortable and customizable reading experience for a wide variety of e-book formats. It offers features like bookmarks, highlights, dark mode, and offline reading, with seamless online synchronization. Books can be easily uploaded from various sources, including cloud storage and email.

Supports EPUB, MOBI, FB2, DOC, TXT, and moreCustomizable fonts, text size, and brightnessDark mode and offline reading
📚 Books
(2.9K)
free
13
Reader
Reader
Reader
minimalist powerful PDF reader
Free
$2.99 | 100% OFF

This app provides a distraction-free reading and annotation experience for PDF documents on iOS. Seamlessly sync your annotated files with your Mac for further editing and workflow integration via iCloud.

Distraction-free readingPDF annotationiCloud sync with Mac
📊 Productivity
(3)
free with in-app purchases
14
File Reader: PDF, ZIP, RAR
File Reader: PDF, ZIP, RAR
File Reader: PDF, ZIP, RAR
PDF ZIP RAR CBZ CBR Viewer
Free
$1.99 | 100% OFF

Easily open and view various document and archive formats, including PDFs, ZIPs, RARs, and image files. Enjoy fast, smooth reading of large files and browse archives directly within the app. It works offline, making your documents accessible anywhere.

Supports PDF, ZIP, RAR, CBZ, CBRImage file support (JPG, PNG, HEIC, TIFF)Fast and smooth large file viewing
📚 Books
(1)
free
15
PDF Reader & Editor - Ora Docs
PDF Reader & Editor - Ora Docs
PDF Reader & Editor - Ora Docs
All-in-One Document Reader
Free
🔧 Utilities
(0)
16
KyBook 3 Ebook Reader
KyBook 3 Ebook Reader
KyBook 3 Ebook Reader
Epub, Mobi, Djvu and More
Free

This app is a versatile e-book reader and cataloger supporting numerous formats like EPUB, MOBI, and PDF. It offers a comfortable reading experience with customizable options, powerful annotation tools, and seamless cloud storage integration. Organize your library with tags, collections, and a handy cataloguer.

Supports all major e-book formatsOPDS catalog accessComfortable reading mode with themes
📚 Books
(4.2K)
free with in-app purchases
17
OpenDocument Reader - view ODT
OpenDocument Reader - view ODT
OpenDocument Reader - view ODT
Read and edit ODT, ODS and ODP
Free

View and edit ODT, ODS, and ODP files on your mobile device. Seamlessly open documents from cloud storage or your device's file explorer, with support for password-protected files and keyword searching. Enjoy offline access and basic editing capabilities.

View ODT, ODS, ODP filesBasic document editingOpen from cloud storage
📊 Productivity
(839)
ad-supported
18
ReadFlow
ReadFlow
ReadFlow
Read PDF books like EPUB!
Free

This app transforms PDF documents into a comfortable reading experience on small screens. It offers text reflow, customization options for fonts and themes, and iCloud sync for seamless access across devices. Enjoy reading PDFs as easily as other ebook formats.

PDF text reflow for mobileCustomizable fonts and themesImport custom font files
📊 Productivity
(3)
free with in-app purchases
19
閱讀
閱讀
閱讀
EPUB、TXT与漫画阅读
Free

A native iOS reading application for various content formats including ebooks, manga, and RSS feeds. It offers stable pagination, text-to-speech, and customization options for a comfortable long-session reading experience.

Read EPUB, TXT, Markdown, CBZ/ZIPHorizontal and CJK vertical readingPaged or scroll reading modes
📚 Books
(2)
free
20
Ebook Reader
Ebook Reader
Ebook Reader
by EBOOKS.COM PTY LIMITED
Free

Access and read your favorite books on the go with this free application. Enjoy a vast collection of popular titles, read online, or download them for offline access. Features include intuitive page turning, adjustable fonts, and synchronized reading progress across devices.

Read books online or offlineSync reading progress across devicesAdjustable font size and night mode
📚 Books
(562)
free

FAQ about Freestyle Libre 3 Reader

What are the best freestyle libre 3 reader apps for iPhone?
FreeStyle Libre 3 – US tops our freestyle libre 3 reader apps ranking as of July 2026, with a 2.4-star average from 6K App Store ratings, and it's free to download.
Yes — 20 of the top freestyle libre 3 reader apps we rank are free to download, including FreeStyle Libre 3 – US and Libre by Abbott.
FreeStyle Libre 3 – US has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 250+ freestyle libre 3 reader apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.