Best What Is App

249+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated November 2026

WhatsApp is the household name in what is app, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top What Is App (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1WhatsAppWhatsAppFree4.7★ (19M)YesYesNov 2026
2WhatsApp BusinessWhatsApp BusinessFree4.7★ (1.5M)YesYesNov 2026
3InstagramInstagramFree4.7★ (30M)YesYesNov 2026
4FacebookFacebookFree4.5★ (29M)YesYesNov 2026
5YouTubeYouTubeFree4.7★ (50M)YesYesNov 2026
6TikTok - Videos, Shop & LIVETikTok - Videos, Shop & LIVEFree4.7★ (18M)YesYesNov 2026
7Gmail - Email by GoogleGmail - Email by GoogleFree4.7★ (2.5M)YesYesNov 2026
8MessengerMessengerFree4.7★ (14M)YesYesNov 2026

Top Picks for What Is App

WhatsApp#1

WhatsApp by WhatsApp Inc.

Group messaging & calling
Editor's Choice
🌐 Social Networking
4.7😊(19M ratings)
FreeAdsIn-App Purchases
#2in Social Networking
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Connect with friends and family through messaging, voice, and video calls. Organize groups, share media, and make plans easily. Enjoy private conversations with end-to-end encryption across multiple devices.

What We Love

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

Room to Improve

  • 🐛 Bugs and glitches (freezing, crashing, notification issues)
  • 🔒 Privacy concerns with data sharing
  • 🙈 Lack of customization and control (status, groups)
  • 📤 Backup and restore issues
  • 🚫 Arbitrary account bans
4.7😐(1.5M ratings)
FreeAdsIn-App Purchases
#15in Business
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This app offers business tools to help you work smarter, build trust, and grow your company. It provides automated messages, customer organization, and in-app ordering and payments to enhance customer experience and sales.

What We Love

  • 🚀 Excellent communication tool
  • 👍 User-friendly interface
  • 🔒 Secure messaging
  • 💡 Helpful business features

Room to Improve

  • 🐛 Frequent app crashes and hangs
  • 🔍 Lack of customer support
  • 🔒 Privacy concerns with account suspensions
  • 🤔 Confusing account management
Instagram#3

Instagram by Instagram, Inc.

Videos, creators & friends
Worth Considering
📷 Photo & Video
4.7😐(30M ratings)
FreeAdsIn-App Purchases
#2in Photo & Video
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Share your life's moments and discover entertaining videos and content from friends and creators. Connect with your community, explore interests, and shop for products. Features include short-form videos, disappearing stories, and customizable posts.

What We Love

  • 💕 Excellent way to connect with friends and family
  • 🌍 Ability to discover new content and accounts
  • 🎨 Great platform for artists and creators to showcase their work
  • 🤝 Helps small businesses promote their products

Room to Improve

  • 🐛 Frequent bugs and glitches
  • 🤖 Overly aggressive AI moderation leading to unfair account suspensions
  • 🔒 Poor customer support and lack of transparency around account issues
  • 📊 Declining organic reach and push towards paid advertising
  • 🔀 Confusing layout changes that make the app less user-friendly

More What Is App apps to explore

FAQ about What Is App

What is the best what is app for iPhone?
WhatsApp tops our what is app ranking as of November 2026, with a 4.7-star average from 19M App Store ratings, and it's free to download.
Yes — 20 of the top what is app we rank are free to download, including WhatsApp and WhatsApp Business.
WhatsApp shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ what is app on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.