Comparison

Sign Up by SignUp.com vs WhenAvailable

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sign Up by SignUp.com

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.

Highlights
  • Event scheduling and management
  • Volunteer coordination
  • Participant sign-up
  • Automated reminders
  • Calendar sync
  • Payment collection
  • Participant communication
Features
Currently charting
Read full description

Organizers, swiftly schedule and manage all the people and things you care about: volunteer calendars, parent teacher conferences, event registration, potlucks, office hours, mutual aid, snack duty, tournaments, festivals, giving trees, cookie booths, classes, prayer circles, ushers, greeters, health clinics and so much more. If you’ve been invited to participate, you can quickly sign up, pay dues and fees, track volunteer hours, get automated reminders, sync to your phone calendar and more! (Invitation link required to participate.) SignUp supports occupancy management at your workplace, house of worship, school, HOA and municipality. Join 22 million teachers and parents, business and nonprofit leaders, community and church members, coaches and teams, volunteers, friends and coworkers who trust SignUp to save time and achieve remarkable outcomes. ∞ ∞ ∞ ∞ Easiest Way to Plan your Events & Activities! Easiest Way to Sign Up! ∞ ∞ ∞ ∞ ◆ Organizers LOVE that they can easily: · Manage volunteers and events in real-time · Plan new SignUps on-the-go · Set up a series of shifts or conference appointments · Invite participants to sign up (text, email, Social Media, Remind) ·See all their SignUps in one place · Check status to see where there are openings · Search for a participant assignments · Make new assignments and remove participants · Message participants (text, phone, email) · Edit Spot details (assignment/shift/what to bring) · Edit participant contact information · Run reports · Check-in participants at events (Premium feature) ◆ Participants LOVE that they can easily: · Sign up quickly and choose assignments with a few taps · View all their assignments & invitations in one place · Message the activity organizer (text, phone, email) · Check activity location · Make a payment or contribution · Receive automated confirmations & reminders · Sync assignments to their calendars · Invite others to join* · Accept a waiver* · Join a waitlist* · Sign up family members* · Add their own Spots to the SignUp* DOWNLOAD Sign Up by SignUp.com Today! NO APP is required to organize or participate on a SignUp. If you need us, you can always find us at support@signup.com * Organizer enabled

About

WhenAvailable

Easily find the best date and time for group events. Suggest multiple options and let attendees vote, or RSVP to invitations. Guests don't need the app to participate.

Highlights
  • Create unlimited polls
  • Invite guests via email or link
  • Real-time poll results
  • Add themes to polls
  • RSVP to invitations
  • Guest group storage
Features
Read full description

Find the date/time that works best for a group of people. WhenAvailable helps you schedule your event based on when everyone can be there. Whether it is a dinner party, board meeting, or a guys' night out, the app makes it easy to find when works best for the group. Simply select dates and times you want to suggest for your event and then either send invitation emails to your guests through the app or copy a link to share with your guests on social media or via text messaging. Your guests do not need to have the app, sign in, or have an account to mark the times that work for them. WhenAvailable makes it quick and easy to find the best possible time for your event. Use the app for free to: - Create an unlimited number of polls - Invite up to 20 people to vote in each poll by either sending them an email invitation or sharing a link via text or social media to the poll - Real-time poll results - Add a THEME to your poll - View and send messages regarding a poll - RSVP to a poll others have sent you - Store a single guest group if you send a poll repeatedly to the same group of people - The app is always ads-free Optionally, you can buy a Premium subscription to the app. With the Premium subscription, you have a few added benefits, e.g.: - As an organizer, you can vote on behalf of your guests - Upload a cover image and logo for your poll - Invite an unlimited number of guests to the polls you create - Store an unlimited number of guest groups - Send reminders to guests who have not yet voted If you choose to purchase the Premium subscription, your subscription automatically renews annually. You can manage your subscriptions and can turn off auto-renewal by going to your iTunes Account Settings after purchase. The current subscription price is $37.99 USD per year plus tax where applicable. You may also choose to upgrade a single poll with a One-Time Premium purchase. The current price for a One-Time Premium is $9.99 USD plus tax where applicable. When you apply your One-Time Premium credit to a poll you get all the same benefits of the Premium Subscription apart from the additional guest groups. If you have any questions or feedback we are always happy to hear from you: https://whenavailable.com/contact or support@whenavailable.com Terms of Use: https://whenavailable.com/terms Privacy Policy: https://whenavailable.com/privacy

Screenshots

Sign Up by SignUp.com4 screens
WhenAvailable4 screens

Verdict

The call

The clearest difference is price: WhenAvailable at Free against Sign Up by SignUp.com's $1.99. WhenAvailable also leads on rating (4.3 vs 3.0) and review sentiment (50% vs 29%). Sign Up by SignUp.com's advantage is in-app purchases (none vs 2) and chart position (#21 vs unranked). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

WhenAvailable is free to download; Sign Up by SignUp.com costs $1.99 up front. WhenAvailable sells 2 in-app purchases, starting at $37.99 per year. Sign Up by SignUp.com asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

WhenAvailable holds the better App Store score, 4.3 against 3.0. Both are backed by a comparable volume of ratings — 23 and 7 respectively. Written reviews point the same way: 29% of Sign Up by SignUp.com's written reviews are positive against 50% of WhenAvailable's.

UpkeepUpdate frequency

Sign Up by SignUp.com ships an update every 3 months, WhenAvailable monthly. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

Scorecard9 real differences · 2 level
Sign Up by SignUp.com versus WhenAvailable: the parameters behind the verdict, then further details
ParameterSign Up by SignUp.comWhenAvailable
Price$1.99Free — better
Rating3.0 (23 ratings)4.3 (7 ratings) — better
Positive reviews29.5% of reviews50.0% of reviews — better
Number of ratings23 — better7
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
Best chart rank#21 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size35 MB58 MB
Age rating12+4+
DeveloperVOLUNTEERSPOT, INC.WhenAvailable LLC

Customer experience

Sign Up by SignUp.com

All ratings23 ratings
Positive47.8%
Neutral0.0%
Negative52.2%
Written reviews78 reviews
Positive29.5%
Neutral9.0%
Negative61.5%

WhenAvailable

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Bugs and requests

Sign Up by SignUp.com

Reported bugs

52 issues
  • App does not open on iPad (white screen)
  • Account creation fails
  • Advertisements still visible after payment
  • App does not keep users logged in
  • App fails to display all data uploaded to the website
Show 47 more
  • App incorrectly saves event information
  • App overwrites entered information
  • App does not send notifications
  • App is difficult to manage and prone to hacking
  • App creates fake participants and assigns them to spots
  • App consumes excessive memory
  • App does not allow searching for events
  • App has a glitchy interface
  • App has an eternal login error loop
  • App crashes frequently
  • App does not work on newer devices
  • App shows errors when organizing or editing events
  • App does not allow managing signups or viewing past signups
  • App sends users to the website for essential functions
  • App is slow and unresponsive
  • App has a poor HTML version of the website
  • App does not save assigned spots or participant information
  • App interface is not intuitive or user-friendly
  • App is time-consuming for event management
  • App has misleading descriptions regarding organizer functionality
  • App has no function to see who has signed up for a spot
  • App does not work on all devices
  • App has login issues
  • App has a clunky interface
  • App does not remember login information
  • App requires login every time it's opened
  • App has a slow webpage
  • App has a terrible interface
  • App cannot view organization calendar
  • App does not allow persistent login state
  • App has no keychain shortcut or auto-fill
  • App does not allow managing signups
  • App sends users to the website for most functions
  • App is not mobile-friendly
  • App is frustrating to use
  • App is not user-friendly
  • App is time-consuming to change event dates
  • App has issues with sending emails directly
  • App has a login error loop
  • App is unacceptable for a paid product
  • App has errors when editing task descriptions
  • App is not alphabetical for volunteer lists
  • App cannot add volunteers without email addresses
  • App cannot send requests or messages to helpers
  • App is a slow webpage made into an app
  • App requires an invitation to sign up
  • App has limited functionality

Requested features

21 requests
  • Fix advertisements for paid users
  • Make the app work on iPad
  • Improve account creation process
  • Allow users to stay logged in
  • Implement Touch ID/Face ID for login
Show 16 more
  • Add a calendar view for upcoming events
  • Improve ability to see participant information
  • Add push notifications for signups/changes
  • Allow searching for events
  • Improve error handling for organizers
  • Add functionality to send requests/messages from the app
  • Improve mobile website responsiveness
  • Allow saving login credentials/auto-fill
  • Add dark mode
  • Improve organizer controls
  • Make volunteer lists alphabetical
  • Allow adding volunteers without email
  • Improve app stability and reduce crashes
  • Fix data display issues
  • Allow editing/deleting slots
  • Make the app free or significantly improve functionality for the price

WhenAvailable

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Sign Up by SignUp.com

No in-app purchases

2 purchases

WhenAvailable

Subscriptions1
  • Premium Membership$37.991 Year
One-time1
  • OneTime Premium$9.99

Questions

Is Sign Up by SignUp.com free?
Sign Up by SignUp.com costs $1.99, with no in-app purchases.
Is WhenAvailable free?
WhenAvailable is free to download, with in-app purchases available.
Which has better reviews, Sign Up by SignUp.com or WhenAvailable?
WhenAvailable is rated higher. Sign Up by SignUp.com averages 3.0 out of 5 from 23 ratings, while WhenAvailable averages 4.3 from 7 ratings.
Do Sign Up by SignUp.com or WhenAvailable have ads?
Neither Sign Up by SignUp.com nor WhenAvailable shows ads.
Which is updated more often, Sign Up by SignUp.com or WhenAvailable?
Sign Up by SignUp.com ships an update every 3 months, and WhenAvailable monthly. Most recently, Sign Up by SignUp.com was updated on October 17, 2026 and WhenAvailable on October 7, 2026.

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