
Zoho Invoice
FreshBooks
Wave Financial
QuickBooks Online
Invoice Simple
Invoice Generator
InvoicePlane
Invoice Ninja is a free, open-source solution for invoicing and billing customers.
SignUpGenius
SameTeam
Doodle
Wejoinin
Coordara
Trello
SignupReady
Coordinate group events in second. No signups, no apps, just one shared link.

Which is more popular?
Based on our record, Invoice Ninja seems to be more popular. It has been mentioned 7 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
ST
SharedTask.ai
|
|
|---|---|---|
| Website | invoiceninja.com | sharedtask.ai |
| Pricing | ||
| Company | — | Startup from the United States · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Invoice Ninja yet.
SharedTask stops group text chaos by giving you one shareable link for event coordination. Create tasks, share the link, and participants claim items in real-time - no signups required. How It Works: Create event → Add tasks → Share link → Everyone claims tasks → Coordinate effortlessly Key...
What each product offers, as listed by its team.

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

No analysis of Invoice Ninja yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
INVOICE NINJA REVIEW 💸 TUTORIAL 🏦 INSTALL (SELF HOSTED) 💻 $50 FREEBIE 💰
More videos
No SharedTask.ai videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Invoice Ninja and SharedTask.ai. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

Let's look at this scenario: Tom is the owner of TMZ Marketing, a digital marketing firm that services small to medium-sized businesses in LA. He invoices all his clients on the 20th of every month using Sage, a...
We have no reviews of SharedTask.ai yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.

I didnt see https://invoiceninja.com/ get mentioned yet, but it is my favorite software solution in this space. You can self host it or pay them for hosting. PDF generation and alot more. - Source: Hacker News / over 3 years ago
I've used https://invoiceninja.com/ when I did freelance work. Source: over 3 years ago
I've been liking Invoice Ninja (https://invoiceninja.com/), though I don't know about asset depreciation though. Source: over 3 years ago
Tracking SharedTask.ai since Oct 2025.
When comparing Invoice Ninja and SharedTask.ai, you can also consider the following products.

100% free online invoicing software for small businesses.
Compare Zoho Invoice to Invoice Ninja or SharedTask.ai:

SignUpGenius is a tool for scheduling events, sending out invitations, and managing your respondents all in one place.
Compare SignUpGenius to Invoice Ninja or SharedTask.ai:

The ideal accounting software for small business owners.
Compare FreshBooks to Invoice Ninja or SharedTask.ai:

Plan events without guest accounts, app downloads, or ads. SameTeam helps churches, schools, PTAs, nonprofits, sports teams, and community groups organize RSVPs, signups, potlucks, and volunteers with one simple link.
Compare SameTeam to Invoice Ninja or SharedTask.ai:

Award-winning financial software designed for entrepreneurs.
Compare Wave Financial to Invoice Ninja or SharedTask.ai:

Make meetings happen. With Doodle, scheduling becomes quick and easy.
Compare Doodle to Invoice Ninja or SharedTask.ai: