Best Customer Information System Apps

206+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated May 2026

Quo (formerly OpenPhone) is the household name in Customer Information System, but it's far from the only option. We track 206+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Customer Information System Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Quo (formerly OpenPhone)Quo (formerly OpenPhone)Free4.4★ (11K)NoYesSep 2026
2FreshdeskFreshdeskFree4.5★ (3K)NoNoSep 2026
3FrontAppFrontAppFree3.3★ (184)NoNoSep 2026
4Clover Go - Dashboard & POSClover Go - Dashboard & POSFree4.8★ (65K)NoNoSep 2026
5FastCustomer: Fast customer serviceFastCustomer: Fast customer serviceFree2.7★ (153)NoYesMay 2026
6CIS Perumda Air Minum SurabayaCIS Perumda Air Minum SurabayaFree5.0★ (2)NoNoJun 2026
7Loyverse POS - Point of SaleLoyverse POS - Point of SaleFree4.7★ (369)NoNoSep 2026
8Melon CRM Customer ManagementMelon CRM Customer ManagementFree4.8★ (34)NoYesSep 2026

Top Picks for Customer Information System

Quo (formerly OpenPhone)#1

Quo (formerly OpenPhone) by OpenPhone Technologies Inc

Business calling and texting
Editor's Choice
💼 Business
4.4😊(11K ratings)
FreeIn-App Purchases
#64in Business
Quo (formerly OpenPhone) screenshot 1
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Quo (formerly OpenPhone) screenshot 4
Quo (formerly OpenPhone) screenshot 5
Quo (formerly OpenPhone) screenshot 6

This app provides a unified platform for business calls, texts, and customer information, enabling personalized customer relationships at scale. It features AI-powered call answering, flexible routing, and a mini CRM to ensure no customer is missed and to facilitate business growth.

What We Love

  • 🚀 Great phone
  • 👍 Fantastic App
  • 👍 Great app!
  • 👍 Great service
  • 👍 Amazing!
  • 👍 Very Satisfied Customer
  • 👍 Excellent interface
  • 👍 A truly functional app of convenience for small businesses
  • 👍 Simply The Best!
  • 👍 An amazing app
  • 👍 Couldn't live without it
  • 👍 Great product and service!
  • 👍 Open Phone is awesome!
  • 👍 A LIFESAVER
  • 👍 Works like a charm
  • 👍 😍
  • 👍 Omg
  • 👍 Best application
  • 👍 Love it!!
  • 👍 OpenPhone for the win
  • 👍 Amazing app

Room to Improve

  • 🔇 Unable to mute individual numbers
  • 🐛 SMS notifications don't alert sometimes
  • 🔒 Forced to let AI read all of our messages
  • 🔒 Scam
  • 🔒 Complex Registration
  • 🐛 Few very old bugs still
  • 🐛 Issues
  • 🐛 Bad connection
  • 🐛 Problems with SMS
  • 🐛 No live support and complete lack of business number calling experience
  • 🐛 Connection issues
  • 🐛 Slow connection sometimes and majority of the time when calls don't come through
  • 🐛 Simply doesnt work. Support talks a lot, but does nothing.
  • 🔒 TRUFFA NON COMPRATE PER NESSUN MOTIVO
  • 🔒 Unsubscribe simply does not work
  • 🐛 Love OpenPhone but 2 bugs
  • 🐛 Likely Sales Number
  • 🐛 Horrible lag with iPhone 14 Pro
  • 🐛 not so good
  • 🐛 Calls don't work
  • 🐛 Used to be perfect before the recent update
  • 🐛 Lots of issues
  • 🐛 Useless
  • 🔒 Won't let you verify this number BS
  • 🐛 Not working
  • 🐛 TRUFFA NON COMPRATE PER NESSUN MOTIVO
  • 🔒 Unsubscribe simply does not work
4.5😞(3K ratings)
Free
Freshdesk screenshot 1
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Freshdesk screenshot 4
Freshdesk screenshot 5
Freshdesk screenshot 6

Manage customer support inquiries from multiple channels directly from your mobile device. Prioritize tickets, assign agents, and automate routine tasks to ensure prompt and efficient customer service. Stay updated with real-time notifications.

What We Love

  • 🚀 Easy to use
  • 🚀 Convenient mobile access
  • 🚀 Helpful for on-the-go support
  • 🚀 Great ticketing system
  • 🚀 Well-executed app

Room to Improve

  • 🐛 Unreliable notifications
  • 🐛 Buggy and unstable
  • 🐛 Poor search and filtering
  • 🐛 Clunky and frustrating UI
  • 🐛 Missing key features from web version
  • 🐛 Frequent crashes and errors
FrontApp#3

FrontApp by FrontApp, Inc.

Customer operations platform
Worth Considering
💼 Business
3.3😐(184 ratings)
Free
FrontApp screenshot 1
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FrontApp screenshot 4

This platform streamlines customer communication for support, sales, and account management teams. It combines help desk efficiency with email familiarity, using automated workflows and real-time collaboration to deliver exceptional service at scale.

What We Love

  • 👥 Excellent for shared team inboxes
  • 🎯 Streamlined email collaboration
  • ⚡ Desktop and web versions are solid
  • 🔄 Useful commenting and tagging features
  • 💬 Great for internal team communication
  • 🤝 Responsive customer support team
  • 📧 Better than Gmail for team workflows
  • 🔗 Excellent integrations available

Room to Improve

  • 🐢 Slow app performance and loading times
  • 🐛 Frequent crashes and freezing
  • 📱 Mobile app significantly behind desktop version
  • 💰 Expensive pricing with unexpected increases
  • 🔐 Login issues (Google and Microsoft auth)
  • 🌙 No dark mode support
  • ⚠️ Poor email sending reliability
  • 🔌 Requires frequent app reinstalls
  • 📋 Missing key mobile features
  • 🎨 Suboptimal mobile UI/UX design

More Customer Information System apps to explore

FAQ about Customer Information System

What are the best Customer Information System apps for iPhone?
Quo (formerly OpenPhone) tops our Customer Information System apps ranking as of May 2026, with a 4.4-star average from 11K App Store ratings, and it's free to download.
Yes — 20 of the top Customer Information System apps we rank are free to download, including Quo (formerly OpenPhone) and Freshdesk.
Quo (formerly OpenPhone) has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 206+ Customer Information System apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Quo is a business phone system that unifies calls, texts, and customer information into a single platform. It helps businesses build personal customer relationships at scale by providing tools like shared inboxes, internal notes, and a mini CRM.
Key features include a unified platform for calls and texts, shared inboxes for team visibility, a mini CRM with custom contact properties, AI-powered 24/7 call answering, and flexible call routing to ensure efficient customer response.