1. Home
  2. Topics
  3. 3U Tools

Best 3U Tools Apps

227+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated June 2026

Every iPhone needs a few good 3u tools apps. We benchmark 227+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for 3U Tools

Documents: File Manager & Docs#1

Documents: File Manager & Docs by Readdle Technologies Limited

Converter. Downloader. Reader.
Editor's Choice
📊 Productivity
4.8😊(616K ratings)
FreeAdsIn-App Purchases
#53in Productivity
Documents: File Manager & Docs screenshot 1
Documents: File Manager & Docs screenshot 2
Documents: File Manager & Docs screenshot 3
Documents: File Manager & Docs screenshot 4
Documents: File Manager & Docs screenshot 5
Documents: File Manager & Docs screenshot 6

Manage and organize all your files efficiently with our user-friendly file manager. Easily categorize, search, and access your documents on the go. Simplify your file management tasks today.

What We Love

  • 💯 Excellent file management capabilities
  • 🚀 Seamless integration with cloud services
  • 📚 Versatile document viewer and editor
  • 🎵 Reliable offline music player

Room to Improve

  • 🐛 Occasional crashes and bugs
  • 🔒 Concerns over in-app subscription model
  • 🔍 Inconsistent search and file management functionality
iTunes Store#2

iTunes Store by Apple Inc.

Strong Contender
🎬 Entertainment
4.8😐(2.1M ratings)
FreeAds
iTunes Store screenshot 1

Discover and enjoy a vast selection of music, movies, and TV shows with easy purchasing options on any device. Access over 100 million songs, browse genres, pre-order new releases, and watch your favorites offline.

What We Love

  • 💿 Ability to purchase and own music
  • 🎶 Great selection of music
  • 🎨 Variety of music genres
  • 🔍 Convenient music discovery

Room to Improve

  • 🔍 Difficult music discovery and search
  • 🗂️ Fragmented music library management
  • 🔒 Restricted access to purchased content
WhatsApp Messenger#3

WhatsApp Messenger by WhatsApp Inc.

Simple. Reliable. Private.
Worth Considering
🌐 Social Networking
4.7😊(18M ratings)
FreeAdsIn-App Purchases
#2in Social Networking
WhatsApp Messenger screenshot 1
WhatsApp Messenger screenshot 2
WhatsApp Messenger screenshot 3
WhatsApp Messenger screenshot 4
WhatsApp Messenger screenshot 5

A popular messaging and video calling app used by over 2 billion people worldwide, offering private, encrypted communication with group chats, voice and video calls, and real-time sharing features. Stay connected with friends and family easily. For more information or support, visit Settings > Help > Contact Us within the app.

What We Love

  • 💬 Great communication tool
  • 🌍 Connects people globally
  • 🔒 Secure and private messaging
  • 📱 Versatile features (calls, video, groups)

Room to Improve

  • 🐛 Bugs and glitches (freezing, crashing, notification issues)
  • 🔒 Privacy concerns with data sharing
  • 🙈 Lack of customization and control (status, groups)

More 3U Tools apps to explore

4
SHAREit: Transfer, Share Files
SHAREit: Transfer, Share Files
SHAREit: Transfer, Share Files
Clean,Compress And Protect
Free

Transfer files, photos, videos, music, and more with a super-fast and secure app. Download videos, clean your phone, manage files, and free up storage space with this trusted file transfer application.

📊 Productivity
(147K)
5
ChatGPT
ChatGPT
ChatGPT
The official app by OpenAI
Free

Discover the ultimate AI-powered chat app for iOS with voice mode, creative inspiration, tailored advice, learning opportunities, professional input, and instant answers. Join millions of users and download now for free!

📊 Productivity
(7.8M)
6
IPLocate
IPLocate
IPLocate
IP Query&Location Acquisition
Free

iAnyGo IP Finder is a powerful application for easily retrieving detailed information about any IP address. Quickly discover location details, network provider, and more with just a few clicks. Try it now for seamless IP querying!

🔧 Utilities
(23)
7
Simple Transfer - Photo+Video
Simple Transfer - Photo+Video
Simple Transfer - Photo+Video
Copy, Sync and Backup Photos
Free

Copy, sync, and back up photos and videos seamlessly between your devices with Simple Transfer. Easily transfer, convert, and manage your media files without using external servers, ensuring privacy and security. Experience hassle-free photo management and storage with Simple Transfer.

📷 Photo & Video
(16K)
8
Files
Files
Files
by Apple Distribution International
Free

Access and organize your files from any location with this app. Easily navigate folders, use tags for organization, access iCloud Drive, and easily transfer files between different storage services. Effortlessly manage your files with high-resolution thumbnails, drag-and-drop capabilities, and quick access to recent files. Explore the features now and simplify your file management tasks!

🔧 Utilities
(6.6K)
9
Battery Testing
Battery Testing
Battery Testing
Battery Health
Free

BatteryTesting is a battery benchmarking app for iOS devices that monitors runtimes, provides battery health data, and helps identify battery issues. Easily check your device's battery health and runtime data with this app.

🔧 Utilities
(12K)
10
Apple Support
Apple Support
Apple Support
We’re here to help
Free

Access personalized support for all your Apple products and services through the app. Troubleshoot issues with real-person chat or step-by-step guides, find nearby stores, book reservations, and manage subscriptions. No AppleCare plan required.

🔧 Utilities
(31K)
11
Charging Fun Animation
Charging Fun Animation
Charging Fun Animation
Play Engine & Wallpaper
Free

Experience fun and interactive animated charging scenes with Charging Fun Animation. Watch as various engines and vehicles come to life during the charging process. Download now for an electrifying experience!

🔧 Utilities
(16K)
12
Google Translate
Google Translate
Google Translate
Text, Photo & Voice Translator
Free

A versatile language translation tool that effortlessly translates text, images, and spoken words in multiple languages. Enhance communication and break down language barriers easily.

🔍 Reference
(83K)
13
YouTube
YouTube
YouTube
Videos, Music and Live Streams
Free

Watch, listen, and stream videos, music, and live content on this app. Explore trending topics, connect with creators, and create your own content on any device. Join the YouTube community and support favorite creators with channel memberships.

📷 Photo & Video
(48M)
14
Messenger
Messenger
Messenger
SMS, 음성 및 영상 통화
Free

Stay connected with free text, audio, and video calls through our all-in-one communication app. Customize privacy settings, reactions, chat themes, and enjoy watching videos together with friends. Start staying connected today!

🌐 Social Networking
(13M)
15
Google Maps
Google Maps
Google Maps
Places, navigation & traffic
Free

Discover and navigate locations effortlessly with a powerful mapping app. Seamlessly find places and get directions with ease. Explore the world at your fingertips.

🗺️ Navigation
(348K)
16
Test & Check for iPhone
Test & Check for iPhone
Test & Check for iPhone
Device system status info tool
Free

I'd be happy to help! However, it seems like the description of the application is cut off. Could you please provide the complete description of the application? If you meant to share a JSON object, it seems like it's incomplete. Please provide the complete JSON object or a clear description of the application, and I'll help you create a concise version in a couple of sentences.

🔧 Utilities
(36)
17
Battery Life - check runtimes
Battery Life - check runtimes
Battery Life - check runtimes
Battery data at a glance
Free

Monitor iPhone and Apple Watch battery data effortlessly with this ultimate battery analysis tool. Gain insights into runtimes, receive customized notifications, and track battery charges with ease. Download now for a convenient way to stay informed about your device's battery health.

🔧 Utilities
(33K)
18
CPU-x Dasher z Battery life
CPU-x Dasher z Battery life
CPU-x Dasher z Battery life
Real cpu frequency & speedtest
Free

Get real-time updates on your device's CPU frequency, temperature, and battery life with this powerful application. Stay informed and optimize your device's performance effortlessly.

📊 Productivity
(22K)
19
Google Chrome
Google Chrome
Google Chrome
Rapide et sécurisé, par Google
Free

A lightning-fast web browser designed for seamless internet browsing across various devices. Experience an efficient and user-friendly way to explore the web – download now for faster browsing!

🔧 Utilities
(220K)
20
Device System Services - Tools
Device System Services - Tools
Device System Services - Tools
System Services - Tools
Free

Access essential device system services including hardware, network, memory, disk, and battery information with a simple press and hold to copy feature in this application. Easily access detailed data such as system uptime, network carrier information, memory usage, and battery life stats. Perfect for monitoring and managing your device efficiently.

🔧 Utilities
(397)

Looking for something similar to 3u tools?

Explore related topics