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SelfControl VS Postmark

Compare SelfControl VS Postmark and see what are their differences

SelfControl

V2 updates! - Custom time interval for distraction free mode - Ability to turn off ' always on' mode - Improved UI -- Self Control -- A simple app to keep you focused online by blocking sites that you spend way too much time on.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
Postmark

Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
MailReach.co
The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder. 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?

SelfControl might be a bit more popular than Postmark. We know about 79 links to it since March 2021 and only 58 links to Postmark.

social mentions
79 vs 58
Time Tracking popularity
100% vs 0%
alternatives listed
183 vs 240+

Base details

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

SelfControl
Postmark
Website selfcontrolapp.com postmarkapp.com
Pricing
Open source
Open source Official pricing
Company — Startup from the United States
Listed in
Productivity Time Management Websites Blocker Time Tracking +1
Email Delivery Email Marketing Email Marketing Platforms Newsletter Marketing +1

Features and specs

What each product offers, as listed by its team.

SelfControl 4 features
Postmark 7 features
  • Effective Website Blocking
    SelfControl blocks access to distracting websites based on a customizable blocklist, helping users stay focused.
  • Timer Functionality
    Users can set a timer for how long they want websites to remain blocked, ensuring focused work periods without distraction.
  • Free to Use
    SelfControl is open-source and free to download and use, making it accessible to anyone without financial barriers.
  • Easy to Use
    The interface is straightforward and user-friendly, allowing users to quickly set their preferences and get started.

Possible disadvantages

  • Mac-Only
    SelfControl is only available for macOS, excluding Windows and Linux users from using the application.
  • No Undo Option
    Once the block period is set and started, it cannot be undone even by restarting the computer, which could be an issue if access to blocked sites is needed unexpectedly.
  • Limited Feature Set
    The app primarily focuses on website blocking, lacking additional productivity tools or features like app blocking or usage analytics.
  • No Scheduled Blocking
    SelfControl does not offer the ability to schedule block sessions in advance, meaning users must manually start each session.
  • High Delivery Rates
    Postmark is known for its high email delivery rates, ensuring that transactional emails reach inboxes promptly.
  • Fast Sending Speed
    Emails through Postmark are processed and sent very quickly, which is crucial for transactional emails requiring immediate delivery.
  • User-Friendly Interface
    The platform has an intuitive and easy-to-navigate interface, making it accessible for users of varying technical skills.
  • Detailed Analytics
    Postmark provides comprehensive analytics, including open rates, click rates, and delivery logs, enabling detailed tracking of email performance.
  • Reliable API
    Postmark offers a highly reliable and well-documented API, facilitating seamless integration with various applications.
  • Top-Notch Customer Support
    The service is praised for its responsive and knowledgeable customer support team, available to assist with any issues.
  • Emphasis on Security
    Postmark prioritizes email security with features like two-factor authentication and SSL encryption.

Possible disadvantages

  • Cost
    Postmark's pricing can be relatively high compared to some other email service providers, particularly for larger email volumes.
  • Lack of Marketing Email Features
    Postmark is primarily designed for transactional emails and lacks many advanced features needed for marketing emails, such as list segmentation and complex automation workflows.
  • Rate Limits
    Postmark imposes rate limits on sending emails, which might be a constraint for businesses with very high or bursty email volumes.
  • Limited Template Customization
    While Postmark allows for the use of email templates, the customization options are more limited compared to specialized email design tools.
  • Geographical Limits
    Postmark's server locations are primarily based in the U.S., which may affect email delivery speeds in other regions.
  • Lack of SMS Integration
    Postmark does not offer SMS sending capabilities, which may be a drawback for businesses looking to consolidate their communication channels.

Analysis

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

SelfControl
Postmark

Overall verdict

  • Overall, SelfControl is a highly recommended tool for individuals looking to enhance their productivity by minimizing digital distractions. Its open-source nature and no-nonsense approach make it a popular choice among students, freelancers, and professionals alike.

Why this product is good

  • SelfControl is considered a good application because it effectively blocks distracting websites, helping users focus on their tasks without getting sidetracked by online distractions. It's simple to use, efficient, and highly customizable, allowing users to specify which sites to block and for how long, ensuring a tailored productivity experience.

Recommended for

    SelfControl is ideal for students who need to concentrate on studying, remote workers who want to avoid procrastination, freelancers who require discipline in managing their time, and anyone who needs a simple solution to reduce digital distractions during focused work periods.

Overall verdict

  • Yes, Postmark is considered a good option for those needing a reliable and efficient transactional email service. It stands out due to its focus on speed, deliverability, and ease of use for both developers and businesses.

Why this product is good

  • Postmark is praised for its reliable email delivery service, which is specifically designed for transactional emails. It offers fast delivery times, extensive real-time tracking, and detailed analytics. Additionally, Postmark provides a user-friendly API and robust documentation, making it easy for developers to integrate and maintain. The service is known for its strong focus on sending emails quickly and efficiently, with a low probability of ending up in spam folders.

Recommended for

  • Businesses needing efficient and reliable transactional email delivery.
  • Developers looking for easy API integration and robust documentation.
  • Organizations requiring real-time email tracking and detailed analytics.
  • Companies prioritizing quick email deliverability and avoiding spam filters.

Videos

Walkthroughs and reviews on video.

SelfControl 2 videos + Add
Postmark 1 video + Add

How to block websites that distract you ? Selfcontrol [Mac App review and tutorial]

More videos

  • - SelfControl Review - Block distracting websites

Using Postmark to send email from Darkroom Booth

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
SelfControl
Postmark
100% 100%
Time Tracking
0% 0%
0% 0%
Email Marketing
100% 100%
100% 100%
Time Management
0% 0%
0% 0%
Email Delivery
100% 100%

User comments

Share your experience with using SelfControl and Postmark. 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.

SelfControl no reviews yet
Postmark no reviews yet

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

Social recommendations and mentions

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

SelfControl 79 mentions
Postmark 58 mentions

View more

  • 7 Best Email APIs for Developers in 2026 (Compared)
    Postmark has been doing one thing for over a decade: getting transactional email into inboxes fast. It separates transactional and broadcast traffic into different "message streams" so marketing sends don't damage your password-reset... - Source: dev.to / 7 days ago
  • 7 SMTP APIs Worth Knowing in 2026, and Where I'd Start
    Postmark has been doing exactly one thing since 2010: transactional email, done carefully. It enforces a hard separation between transactional and bulk/marketing sending streams (you can't mix them on the same account), which is exactly... - Source: dev.to / 27 days ago
  • Congrats to the Winners of Postmark Challenge: Inbox Innovators!
    We want to shout out Postmark for sponsoring this challenge. Postmark's developer-focused API and reliable inbound email parsing made these innovative projects possible, allowing the community to focus on creativity rather than email... - Source: dev.to / over 1 year ago

View more

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When comparing SelfControl and Postmark, you can also consider the following products.

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