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Best 37Signals Llc Apps

10+ iOS apps curated and reviewed

4.2 avg rating
9 free apps
Updated June 2026

Whether you're new to 37signals llc or looking for an upgrade, our curated collection of 10+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top 37Signals Llc Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fizzy - KanbanFizzy - KanbanFree—NoNoJul 2026
2Basecamp - Project ManagementBasecamp - Project ManagementFree4.7★ (21K)NoNoJul 2026
3HEY CalendarHEY CalendarFree4.7★ (621)NoNoJul 2026
4HEY EmailHEY EmailFree4.7★ (4.3K)NoNoJul 2026
5Highrise - Simple CRMHighrise - Simple CRMFree3.1★ (21)NoNoMay 2026
6Basecamp 2 for iPhoneBasecamp 2 for iPhoneFree3.8★ (42)NoNoMay 2026
7HuaChatHuaChatFree—NoNoMay 2026
8ProNow - Professionals NowProNow - Professionals NowFree—NoNoJul 2026

Top Picks for 37Signals Llc

Basecamp - Project Management#2

Basecamp - Project Management by 37Signals LLC

Project & Team Communication
Strong Contender
💼 Business
4.7😊(21K ratings)
Free
Basecamp - Project Management screenshot 1
Basecamp - Project Management screenshot 2
Basecamp - Project Management screenshot 3
Basecamp - Project Management screenshot 4
Basecamp - Project Management screenshot 5

A project management platform designed to simplify team collaboration and project execution. It centralizes all project-related tasks, discussions, and decisions in one intuitive location, reducing complexity and making work more enjoyable.

What We Love

  • 👍 Powerful project management tool
  • 🚀 Efficient team communication
  • 📁 Effective file/document sharing
  • 📅 Useful calendar and scheduling features

Room to Improve

  • 🐛 Occasional crashes and bugs
  • 📱 Mobile app not as reliable as desktop
  • 🔍 Difficult to navigate and find things
HEY Calendar#3

HEY Calendar by 37Signals LLC

Make your day
Worth Considering
📊 Productivity
4.7😐(621 ratings)
Free
HEY Calendar screenshot 1
HEY Calendar screenshot 2
HEY Calendar screenshot 3
HEY Calendar screenshot 4
HEY Calendar screenshot 5
HEY Calendar screenshot 6

This calendar app organizes your schedule around days and weeks, reflecting how people naturally think. It supports habits, highlights important events, and accommodates flexible scheduling for tasks that don't have a fixed time. Enjoy a full-featured experience with unique twists on conventional calendar functions.

What We Love

  • 🚀 Thoughtful and different approach
  • 👍 Lovely UI
  • 👍 Wonderful UI
  • 👍 Innovative features like 'Sometime this Week'

Room to Improve

  • 🐛 Buggy and unreliable syncing
  • 🔍 Lacks integration with other calendars
  • 🔍 Missing key features like month/year view and search

More 37Signals Llc apps to explore

4
HEY Email
HEY Email
HEY Email
Email at its best, by Basecamp
Free

This email client streamlines your inbox with features like call-like screening for senders, grouped message organization, and a unified attachment library. It offers unique ways to read emails, manage receipts, and protect your privacy from trackers.

Screen senders like callsNaturally grouped messagesRead multiple emails at once
📊 Productivity
(4.3K)
subscription
5
Highrise - Simple CRM
Highrise - Simple CRM
Highrise - Simple CRM
by 37Signals LLC
Free

Manage leads and follow-ups efficiently with this straightforward CRM. Keep all client interactions in one place, set reminders, and streamline team sales efforts. Integrate with your email and other productivity tools for seamless workflow.

Track leads and manage follow-upsCentralized record of all lead interactionsEasy follow-up reminders
💼 Business
(21)
free
6
Basecamp 2 for iPhone
Basecamp 2 for iPhone
Basecamp 2 for iPhone
by 37Signals LLC
Free

Stay updated on your projects from any location. Engage in discussions, track task completion, and access all project files. Make decisions and refer to documents on the go.

Project updates from anywhereParticipate in discussionsTrack to-dos and file uploads
💼 Business
(42)
free
7
HuaChat
HuaChat
HuaChat
by 2021 Plus Co., Ltd.
Free
🌐 Social Networking
(0)
8
ProNow - Professionals Now
ProNow - Professionals Now
ProNow - Professionals Now
Local & Global Services App
Free

Connect with local and global professionals for on-demand services. Buy or sell services across hundreds of categories, from home repair to digital expertise. Features include live chat, scheduling, secure payments, and file sharing.

Connects customers with professionals800+ service categoriesLocal and global services
💼 Business
(0)
free
9
M3-2D
M3-2D
M3-2D
M3 for BladderScan
Free
🔧 Utilities
(0)

FAQ about 37Signals Llc

Are there free 37signals llc apps for iPhone?
Yes — 9 of the top 37signals llc apps we rank are free to download, including Fizzy - Kanban and Basecamp - Project Management.
Fizzy - Kanban has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 10+ 37signals llc apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.