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Best Sign Up Apps

250+ iOS apps curated and reviewed

4.0 avg rating
19 free apps
Updated August 2026

Looking for free sign up apps? 19 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Sign Up Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sign Up by SignUp.comSign Up by SignUp.com$1.993.0★ (23)NoNoAug 2026
2SignUpGeniusSignUpGeniusFree1.3★ (63)YesNoAug 2026
3Sign Up AdminSign Up AdminFree—NoNoMay 2026
4Online SignupOnline SignupFree1.0★ (1)NoNoJul 2026
5Google SheetsGoogle SheetsFree4.8★ (1.8M)NoNoSep 2026
6Evite: Party Invitation MakerEvite: Party Invitation MakerFree4.8★ (513K)YesYesSep 2026
7Sign Me Up AnywhereSign Me Up AnywhereFree5.0★ (1)NoNoMay 2026
8Sign Documents PDF Now :SignupSign Documents PDF Now :SignupFree5.0★ (1)NoYesAug 2026

Top Picks for Sign Up

Sign Up by SignUp.com#1

Sign Up by SignUp.com by VOLUNTEERSPOT, INC.

Easiest event planning
Editor's Choice
📊 Productivity
3.0😞(23 ratings)
$1.99
#13in Productivity
Sign Up by SignUp.com screenshot 1
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Sign Up by SignUp.com screenshot 4
Sign Up by SignUp.com screenshot 5
Sign Up by SignUp.com screenshot 6

This app simplifies event planning and coordination for organizers and participants. It allows for easy scheduling of volunteers, conferences, and various activities, with features for sign-ups, payments, and communication. Participants can quickly join events, track their commitments, and receive reminders.

What We Love

  • 👍 Easy to use for volunteers
  • 👍 Organizes events effectively
  • 👍 Saves time for organizers
  • 👍 Clean and modern look

Room to Improve

  • 👎 App is just a mobile website
  • 👎 Not worth the price
  • 👎 Doesn't open on iPad
SignUpGenius#2

SignUpGenius by SignUpGenius, Inc.

Organize events & fundraising
Strong Contender
📊 Productivity
1.3😞(63 ratings)
FreeAds
SignUpGenius screenshot 1
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SignUpGenius screenshot 6

Easily create and manage event sign-ups, volunteer schedules, and group activities from your phone. Coordinate participants, track RSVPs, send automated reminders, and collect payments securely. This tool streamlines event planning for schools, nonprofits, and community groups.

What We Love

  • 👍 Easy to view signups you've joined
  • 📱 Convenient mobile access to existing signups
  • ✅ Website version works well for creation
  • 🎯 Useful for quick signup verification

Room to Improve

  • 📺 Excessive and intrusive advertisements covering screen
  • 🔄 Requires re-login every time app opens
  • 📝 Cannot create or edit signups in app

More Sign Up apps to explore

4
Online Signup
Online Signup
Online Signup
Sign up for Service
Free

This app simplifies service and event registration. Create a single account to manage all your sign-ups and meet entry requirements for various activities.

Create one accountManage registrationsMeet service requirements
📊 Productivity
(1)
free
5
Google Sheets
Google Sheets
Google Sheets
Collaborate on Spreadsheets
Free

Create, edit, and collaborate on spreadsheets from anywhere, anytime. Work offline, format cells, insert formulas, and view charts. Seamlessly edit Excel files and enjoy automatic saving of your work.

Create and edit spreadsheetsReal-time collaborationOffline access
📊 Productivity
(1.8M)
free
6
Evite: Party Invitation Maker
Evite: Party Invitation Maker
Evite: Party Invitation Maker
Online Invites & Event Planner
Free

Create and send digital invitations for any occasion, from birthdays to weddings. Customize designs, track RSVPs, manage guest lists, and even include gift registries or crowdfunding options. Plan your next event effortlessly.

Thousands of free and premium digital invitationsCustomizable templates for any occasionRSVP tracking and guest updates
🌟 Lifestyle
(513K)
free with in-app purchases
7
Sign Me Up Anywhere
Sign Me Up Anywhere
Sign Me Up Anywhere
by Maryland Department of Natural Resources
Free

This mobile solution allows you to collect company names, contact names, and email addresses directly on your device. It can be used in kiosk mode to replace traditional methods of data collection at events. Customize the information fields and add custom questions to personalize your data gathering.

Collect company names, contacts, and emailsKiosk mode for eventsCustomizable information fields
📊 Productivity
(1)
free
8
Sign Documents PDF Now :Signup
Sign Documents PDF Now :Signup
Sign Documents PDF Now :Signup
Docu Signer, E Signature Maker
Free

Easily add your signature, initials, or text to any PDF document offline. Organize signed and unsigned files, and share them securely. Offers multiple signature options for a personalized touch.

Offline PDF signingMultiple signature options (draw, scan, type)Document organization (signed/unsigned)
💼 Business
(1)
free with in-app purchases
9
eSign Documents - Fill & Sign
eSign Documents - Fill & Sign
eSign Documents - Fill & Sign
PDF Electronic Signature Maker
Free

Easily fill, sign, and send documents electronically from your device. Supports PDFs, Word files, and images, offering secure and legally binding e-signatures in seconds. Import files from various sources for a streamlined workflow.

Fill out forms and documentsAdd electronic signaturesImport files from cloud storage
🔧 Utilities
(0)
free with in-app purchases
10
Zelos Team Management
Zelos Team Management
Zelos Team Management
Shifts, tasks and live chats
Free

Facilitate team coordination with tools for distributing tasks, managing shift signups, and real-time communication. Built for on-demand teams, volunteers, and event staff, it helps keep everyone engaged and connected.

Shift signup and managementTask dispatch and progress trackingLive chat for tasks and groups
💼 Business
(1)
free
11
Membership.io
Membership.io
Membership.io
by Searchie
Free
💼 Business
(0)
12
The Membership Experience
The Membership Experience
The Membership Experience
Start a successful membership
Free
💼 Business
(0)
13
Google Docs
Google Docs
Google Docs
Edit Documents and Collaborate
Free

Create, edit, and collaborate on documents online in real time. Work together seamlessly with your team, even offline, and access a variety of file types. AI-powered features can help draft and refine content.

Real-time collaborationOffline editingTemplate library
📊 Productivity
(3.2M)
freemium
14
Wave: Secure Messaging
Wave: Secure Messaging
Wave: Secure Messaging
End To End Encrypted
Free

A privacy-focused messaging app offering end-to-end encrypted chats without requiring sign-ups or personal information. It utilizes a decentralized network for enhanced user control and supports both one-to-one and group conversations.

End-to-end encryptionNo sign-up requiredDecentralized network
🌐 Social Networking
(1)
free
15
Bucket List Together - Soonish
Bucket List Together - Soonish
Bucket List Together - Soonish
Ideas for Couples & Friends
Free

Easily collect and vote on ideas with friends, partners, or family. Create shared lists for restaurants, movies, or bucket list adventures, and turn plans into memories. No account or email required to get started.

Multiple list types: voting, priority, todoShareable lists with unique codesNo account or signup required
🌟 Lifestyle
(1)
free
16
Membership.io Demo App
Membership.io Demo App
Membership.io Demo App
by Searchie
Free
💼 Business
(0)
17
Sigly: Sign PDF Documents Fill
Sigly: Sign PDF Documents Fill
Sigly: Sign PDF Documents Fill
Electronic e Signature Creator
Free

Effortlessly import and sign documents directly from your phone. Create and apply your signature or initials to any form in seconds. Experience the convenience of a powerful electronic signing tool.

Import and edit documentsCreate digital signaturesSign forms quickly
💼 Business
(17)
free with in-app purchases
18
Mask - Incognito AI Chat
Mask - Incognito AI Chat
Mask - Incognito AI Chat
Anon. Private. No signup GPT5.
Free

Engage in private, encrypted AI conversations without signup. Access multiple advanced AI models simultaneously to compare responses and gain insights. Chats are stored locally for your control and privacy.

Anonymous AI chatAccess ChatGPT, Claude, GeminiCompare multiple AI responses
📊 Productivity
(5)
freemium
19
ChikaD
ChikaD
ChikaD
by ChikaD Inc.
Free
🌐 Social Networking
(0)
20
Unvaulted: Sign-Up Bonuses
Unvaulted: Sign-Up Bonuses
Unvaulted: Sign-Up Bonuses
Credit cards, cash, & rewards
Free

Discover and track sign-up bonuses from banks, credit cards, and apps. This tool helps you find offers, calculate potential earnings, and stay on schedule to claim your rewards. Monitor your progress and view your total profit.

350+ live offersRanked by real dollar valueFilters for region, fees, rewards
💰 Finance
(3)
freemium

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FAQ about Sign Up

What are the best sign up apps for iPhone?
Sign Up by SignUp.com tops our sign up apps ranking as of August 2026, with a 3.0-star average from 23 App Store ratings, and it's priced at $1.99.
Yes — 19 of the top sign up apps we rank are free to download, including SignUpGenius and Sign Up Admin.
Sign Up by SignUp.com has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ sign up apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps organizers easily schedule and manage events, volunteer calendars, parent-teacher conferences, and a wide range of other activities. Participants can quickly sign up, track their involvement, and receive automated reminders.
Organizers can manage volunteers and events in real-time, plan new sign-ups on the go, set up shifts, invite participants via various methods, see all sign-ups in one place, check for openings, make assignments, message participants, and edit spot details.

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