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Kap VS Underscore Done

Compare Kap VS Underscore Done and see what are their differences

Kap

Kap is an open-source screen recorder built with web technology.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
Underscore Done

Real-world tasks your agent can't do alone.

Rating
0 reviews
Pricing
Paid $0.01 (Per api call)
Alternatives Is it good?
ZeroTwo AI
ZeroTwo is a premium multi-provider AI platform which combines the tools models and features of Claude, Gemini, Grok, Openai and more into one. Canvas, Deep Research, MCP, Connectors, Agents, Projects and even Apps are all available in one place! 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, Kap seems to be a lot more popular than Underscore Done. While we know about 39 links to Kap, we've tracked only 1 mention of Underscore Done.

social mentions
39 vs 1
Screen Recording popularity
100% vs 0%
alternatives listed
230 vs 2

Base details

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

Kap
Underscore Done
Website getkap.co underscoredone.com
Pricing
Open source
Paid $0.01 (Per api call) Official pricing
Company — Startup from the United States · 2026
Listed in
Screen Recording Screenshot Annotation Video Maker Screenshots +1
APIs Developer APIs AI Agents AI +1

About Kap and Underscore Done

In their own words, as submitted to SaaSHub.

Kap
Underscore Done

No description of Kap yet.

Underscore Done (_done) is a suite of pay-per-call utility APIs built for AI agents. No API keys, no subscriptions - agents pay per request with USDC via the x402 protocol

Read more about Underscore Done

Features and specs

What each product offers, as listed by its team.

Kap 6 features
Underscore Done 0 features
  • Open Source
    Kap is an open-source project, meaning its code is freely available for users to inspect, modify, and enhance. This encourages community contributions and transparency.
  • Ease of Use
    Kap provides a simple and intuitive interface that makes screen recording easy, even for users who aren't very tech-savvy.
  • Customization
    Kap offers a variety of customizable settings and options, allowing users to tailor the screen recording experience to their specific needs.
  • Export Options
    Kap supports multiple export formats including GIF, MP4, WebM, and APNG, providing flexibility in how recordings can be used or shared.
  • Plugin Support
    Kap's functionality can be extended through a wide array of plugins, enabling users to add additional features and integrations.
  • Cross-Platform
    Kap is available for macOS, and while primarily developed for macOS, it's possible to run it on other OS using tools like Homebrew.

Possible disadvantages

  • Performance Overhead
    Screen recording can be resource-intensive, potentially affecting the performance of other applications running simultaneously.
  • Limited to macOS
    Kap is primarily designed for macOS, which limits its native usability for users on Windows or Linux platforms.
  • Feature Limitations
    While Kap is great for basic screen recording, it may lack advanced features found in other professional screen recording tools, such as detailed video editing capabilities.
  • Learning Curve for Plugins
    Although the plugin system adds versatility, it may require some time for users to find, install, and learn to use the right plugins effectively.
  • File Size
    The files generated can be quite large, especially for high-resolution recordings, which may be a concern for storage and sharing.

No features have been listed yet.

Analysis

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

Kap
Underscore Done

Overall verdict

  • Kap is considered a solid choice for anyone looking for an easy-to-use, efficient, and free screen recording tool on macOS. It balances simplicity with functionality, making it suitable for a wide range of users.

Why this product is good

  • Kap is a screen recording tool designed for macOS, known for its simplicity and open-source nature. It allows users to quickly capture their screens with ease, supporting a variety of formats and offering different customization options. The app provides additional flexibility through plugins, making it adaptable to specific needs. Being open-source also means that it is continually improved by contributions from the developer community, which keeps the tool up-to-date with users' needs.

Recommended for

    Kap is highly recommended for macOS users who need a straightforward screen recording solution. It is particularly beneficial for content creators, educators, and developers who require quick screen captures without the complexity of more advanced applications.

No analysis of Underscore Done yet.

Videos

Walkthroughs and reviews on video.

Kap 3 videos + Add
Underscore Done 0 videos + Add

OrganiCup - Adet Kabı, Menstrual Kap

More videos

  • - ✩Review: Kap Creations Resin Molds
  • - Test Kap och Gersåg - Review Mitre saw Metabo KGS 216 + stand KSU 251, (eng. subtitles)

No Underscore Done videos yet. You could help us improve this page by suggesting one.

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
Kap
Underscore Done
100% 100%
Screen Recording
0% 0%
0% 0%
AI Agents
100% 100%
100% 100%
Screenshot Annotation
0% 0%
0% 0%
AI
100% 100%

Questions & Answers

As answered by people managing Kap and Underscore Done.

What makes your product unique?

Underscore Done's answer:

We provide data and actions that AI cannot achieve.

Also we don't require accounts, registration, api keys. And we charge per usage and never charge monthly subscriptions.

How would you describe the primary audience of your product?

Underscore Done's answer:

Ai Agents that work on behalf of people.

User comments

Share your experience with using Kap and Underscore Done. For example, how are they different and which one is better?

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Social recommendations and mentions

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

Kap 39 mentions
Underscore Done 1 mention
  • QuickRecorder(macOS): open-source, lightweight, high-performance screen recorder
    This works great and is replacing Kap[1] for me. [1] https://getkap.co/. - Source: Hacker News / over 1 year ago
  • Show HN: I made an open-source Loom alternative
    How about with a K instead https://getkap.co/. - Source: Hacker News / over 2 years ago
  • Show HN: Cap – open-source alternative to Loom
    I thought it was Kap for a moment https://getkap.co/ similar name, similar product (but that one is ready to use). Also a bit confused as it seems there is nothing there besides an idea and a landing page. - Source: Hacker News / almost 3 years ago

View more

  • Why I'm Passionate About x402
    _done is a catalog of small, pay-per-call utility APIs aimed at AI agents: things like DNS and WHOIS lookups, screenshots, OCR, hashing, QR codes, and SEO extraction. Every call costs one cent in USDC over x402. There's no account and no... - Source: dev.to / 14 days ago

Alternatives to Kap and Underscore Done

When comparing Kap and Underscore Done, you can also consider the following products.

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