
Brevo
MailerLite
GetResponse
Constant Contact
HubSpot
ActiveCampaign
Campaign Monitor
MailChimp is the best way to design, send, and share email newsletters.

Toggl
FreshBooks
Harvest
Clockify
TimeLake.io
Bonsai
Invoice Ninja
Turn billable work and expenses into client-ready invoices.

Which is more popular?
Based on our record, MailChimp seems to be more popular. It has been mentioned 91 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mailchimp.com | doubletime.io |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States | Startup from Australia · 1 - 9 employees · 2023 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of MailChimp yet.
DoubleTime helps freelancers and consultants turn tracked work and billable expenses into client-ready invoices. Keep your clients, rates, notes and billing in one place, without rebuilding the details at the end of the month. Run a timer while you work, add time later, or create invoice lines by...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
MailChimp is recommended for small to medium-sized businesses, entrepreneurs, and non-profits who want a cost-effective solution for email marketing. It's also suitable for those new to email marketing who are looking for a simple yet powerful tool to reach their audience and grow their subscriber base.
No analysis of DoubleTime yet.
Walkthroughs and reviews on video.
WARNING! MailChimp Review: Marketers & Entrepreneurs Stayaway! (Why I left MailChimp)
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing MailChimp and DoubleTime.
DoubleTime's answer:
DoubleTime puts the steps between doing the work and sending the invoice in one place. You can see which entries are ready to bill and which need a client or rate before you create an invoice.
An invoice can include tracked time, manual charges and expenses passed on to the client. Tracked work and expenses stay linked to their invoice lines, so you can check where those charges came from.
DoubleTime's answer:
It's a good fit if you bill clients yourself and want to spend less time putting invoices together. You can track work as you go or add charges later, then review and send the invoice from the same app.
You can start with the free Core plan, which includes two invoices a month. Pro is US$48 a year or US$6 a month and adds unlimited invoicing and extra reports. You don't need a credit card to get started.
DoubleTime's answer:
Freelancers, consultants and other people who bill clients for their own work. That includes developers, designers and trade professionals.
It's particularly handy when a job involves a mix of project work, short calls, revisions and costs that need to go on the same invoice.
DoubleTime's answer:
We built DoubleTime at 0x234 because client work doesn't always arrive in neat blocks. A quick call, a small fix or a follow-up can be easy to forget when you sit down to invoice a week later.
We wanted a practical way to record that work while the details were fresh, apply the right rate and turn it into an invoice. DoubleTime is independently built, with a focus on the day-to-day billing needs of people who work for themselves.
DoubleTime's answer:
DoubleTime is a Progressive Web App (PWA), so it runs in the browser and can also be installed on desktop and mobile devices.
For integrations, it offers a REST API, OAuth access and an MCP server for connecting AI tools such as Codex and Claude Code.
Share your experience with using MailChimp and DoubleTime. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Good for email marketing
It validates your email lists to check for invalid or undeliverable emails so that you can maximize your marketing campaign potential. You can either upload your email list and clean it in bulk using the CSV format,...
Mailchimp is a popular marketing automation and email marketing tool. Its form and landing page builders are useful for generating signups and expanding email lists. Are you wondering if Campaign Monitor and Mailchimp...
We have no reviews of DoubleTime yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Use tools like Mailchimp or Klaviyo to send newsletters and promotional emails to your customers. This can help keep them engaged and encourage repeat purchases. - Source: dev.to / 12 months ago
Your website is the best place to build your most valuable marketing asset: your email list. By connecting your site to an email platform like Mailchimp or ConvertKit, you can set up automated messages that build real, lasting loyalty. - Source: dev.to / about 1 year ago
Integrating with marketing tools like Mailchimp through Strapi's API ensures that user data is consistently updated and synchronized, enabling more effective and targeted marketing campaigns. Whenever a user updates their profile or... - Source: dev.to / almost 2 years ago
Tracking DoubleTime since Jul 2023.
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