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OpenSignup VS Doodle

Compare OpenSignup VS Doodle and see what are their differences

OpenSignup

OpenSignup: ad-free, open-source signup sheets for school parents, coaches, and community organizers.

Rating
0 reviews
Pricing
Open source Free
Promote on VibeVoted
Alternatives Is it good?
Doodle

Make meetings happen. With Doodle, scheduling becomes quick and easy.

Rating
0 reviews
Pricing
Freemium $6.95 / Monthly (1 User)
Promote on VibeVoted
Alternatives Is it good?
Heartbeat Chat
Build a community people will pay for on Heartbeat. We provide everything you need to turn an audience into a business. Heartbeat is a solution for memberships, courses, events, payments, and more, unified by powerful automations and AI. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Doodle seems to be more popular. It has been mentioned 17 times since March 2021.

social mentions
0 vs 17
Volunteer Management popularity
100% vs 0%
alternatives listed
9 vs 240+

Base details

Website, pricing, platforms and company facts side by side.

OpenSignup
Doodle
Website opensignup.org doodle.com
Pricing
Open source Free
Freemium $6.95 / Monthly (1 User) Official pricing
Platforms
Web Mobile
—
Listed in
School Software Other Nonprofit Tools Form Builder Nonprofit Fundraising And Donation Management Membership Management Forms And Surveys Volunteer Management +5
Appointments and Scheduling Appointment Scheduling Meeting Scheduling Event Scheduling Calendar Polls +3

About OpenSignup and Doodle

In their own words, as submitted to SaaSHub.

OpenSignup
Doodle

OpenSignup is a completely free, ad-free, open-source tool for coordinating group events. Whether you're organizing snack rotations, volunteer shifts, potlucks, or carpools, you can publish a clean, polished signup sheet in minutes. What sets it apart: No login for participants. They tap your...

Read more about OpenSignup

No description of Doodle yet.

Features and specs

What each product offers, as listed by its team.

OpenSignup 4 features
Doodle 5 features
  • Free and ad-free
    Completely free to use with zero ads.
  • Effortless setup
    Describe your event in plain English and get a ready-made signup sheet in seconds.
  • Built for any event
    Snack rotations, volunteer shifts, potlucks, carpools, and more.
  • Clean, polished sheets
    Publish a professional-looking signup page in minutes.
  • Ease of Use
    Doodle offers an intuitive interface that allows users to easily schedule meetings and events. The process is straightforward and requires minimal technical know-how.
  • Availability Polls
    Users can create polls to find the best time for group meetings, making it simple to coordinate with multiple participants who have conflicting schedules.
  • Integrations
    Doodle integrates with major calendar systems like Google Calendar, Outlook, and iCal, allowing users to sync their appointments and schedules seamlessly.
  • Free Basic Version
    Doodle offers a free basic version with essential features, making it accessible to users who need basic scheduling without incurring any costs.
  • Reminders and Notifications
    The platform sends automatic reminders and notifications, helping to reduce the chances of participants forgetting their commitments.

Possible disadvantages

  • Limited Free Features
    While the basic version is free, some advanced features require a subscription, which might be a drawback for users looking for comprehensive tools without costs.
  • Ads
    The free version is supported by advertisements, which can be distracting and reduce the overall user experience.
  • Privacy Concerns
    Users have to share their availability and email addresses, which raises potential privacy and data security concerns.
  • Mobile App Limitations
    The mobile application may lack some functionalities available on the web version, which could be inconvenient for users who prefer scheduling on-the-go.
  • User Interface Overload
    For some users, the interface can become cluttered, especially when managing multiple polls or events, leading to potential confusion and mismanagement.

Analysis

An editorial look at what each product does well and who it suits.

OpenSignup
Doodle

Overall verdict

  • I don't have verified, reliable information about a specific product or service called 'OpenSignup' at opensignup.org, so I can't confidently assess its quality, legitimacy, or features.

Why this product is good

  • No verified data available on this specific domain or service
  • Unable to confirm company legitimacy, reviews, or track record
  • Cannot verify security practices, pricing, or feature set without direct access to current, authoritative sources

Recommended for

  • Anyone considering this service should independently verify its legitimacy, check for reviews, confirm SSL/security certificates, and research the company behind it before signing up or providing personal information

No analysis of Doodle yet.

Videos

Walkthroughs and reviews on video.

OpenSignup 1 video + Add
Doodle 3 videos + Add

OpenSignup Introduction

Doodly Review | Animated Doodle Video Tutorial

More videos

  • - Rock-A-Doodle - AniMat’s Classic Reviews
  • - Doodly Review - The Easiest and Most Realistic Doodle Animation Software - Doodly Demo

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
OpenSignup
Doodle
100% 100%
Volunteer Management
0% 0%
0% 0%
Appointment Scheduling
100% 100%
100% 100%
School Software
0% 0%
0% 0%
Appointments and Scheduling
100% 100%

Questions & Answers

As answered by people managing OpenSignup and Doodle.

What makes your product unique?

OpenSignup's answer

OpenSignup is completely free, ad-free, and open-source, no paywalls, no upsells, no tracking. Setup is fast, describe your event in plain English and get a ready-made signup sheet in seconds.

Why should a person choose your product over its competitors?

OpenSignup's answer

  • No ads, ever: unlike most free coordination tools
  • No login for participants: no friction, higher response rates
  • Free and open-source: transparent and community-owned
  • Fast setup: go from a plain-English description to a polished sheet in minutes

How would you describe the primary audience of your product?

OpenSignup's answer

Everyday community coordinators: school parents, coaches, and community organizers.

Anyone organizing snack rotations, volunteer shifts, potlucks, or carpools who wants to skip the chaotic reply-all email threads and group texts.

What's the story behind your product?

OpenSignup's answer

OpenSignup started when a dad got tired of ad-heavy, painful-to-use signup tools and endless group texts for his kid's class. He built a free, open-source alternative so any parent or volunteer could coordinate an event without the ads, the forced accounts, or the hair-pulling.

Who are some of the biggest customers of your product?

OpenSignup's answer

Used by school PTAs, youth sports teams, and neighborhood groups across the country.

Which are the primary technologies used for building your product?

OpenSignup's answer

  • Frontend: Next.js React, TypeScript (strict mode), Tailwind CSS
  • Backend: Next.js, pg-boss, and React Email
  • Database: Postgres via Drizzle ORM
  • Testing: Vitest

User comments

Share your experience with using OpenSignup and Doodle. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

OpenSignup no reviews yet
Doodle no reviews yet

We have no reviews of OpenSignup yet. Be the first one to post

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

OpenSignup 0 mentions
Doodle 17 mentions

Tracking OpenSignup since Jun 2026.

  • Ask HN: Those making $500/month on side projects in 2025 – Show and tell
    How's this different than the good old Doodle everyone uses in europe at least? https://doodle.com/en/. - Source: Hacker News / 11 months ago
  • So I've had another instance where the extension was just disabled on a site.
    I made this post a few months ago regarding how the extension was just disabled on a site I had accessed. I checked trusted sites, and there was nothing there. Today, I went onto a site called doodle, I'm sure many of you have used it or... Source: about 3 years ago
  • Who's up for a Shut-Up-And-Write session right now?
    Can we set up a doodle poll so everyone can vote on the time that works for them? https://doodle.com/en/. Source: over 3 years ago

View more

Alternatives to OpenSignup and Doodle

When comparing OpenSignup and Doodle, you can also consider the following products.

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