
Sunsama
Fantastical 2
Google Calendar
Motion
TickTick
Structured
Todoist
The time blocking app for Mac. Plan your day in time blocks, synced both ways with Apple Calendar, Google Calendar and Outlook. Pay once, no subscription.

Bootstrap
Materialize CSS
Semantic UI
UIKit
Tailwind CSS
Material UI
Bulma
The most advanced responsive front-end framework in the world

Which is more popular?
Based on our record, Foundation seems to be more popular. It has been mentioned 23 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | chunkapp.net | get.foundation |
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| Platforms | — | |
| Company | Startup from France · 1 - 9 employees · 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Chunk – Time Blocking App for Mac Chunk is a time blocking app for Mac that lets you plan your day in time blocks, synced both ways with Apple Calendar, Google Calendar and Outlook, for a one-time $39.99 with no subscription. Plan your day in time blocks Tasks and Schedule, side by side: lists,...
No description of Foundation yet.
What each product offers, as listed by its team.


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


No analysis of Chunk yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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BEST & WORST NEW FOUNDATIONS
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Chunk and Foundation.
Chunk's answer
Chunk allows users to really experience all the benifits of timeblocking from directly in the menubar. No bloat, no fuss. We built it for focus not friction.
Chunk's answer
Our main customer base is professionals seeking to maximise productivity, the ADHD community and students preparing for exams or studying.
Share your experience with using Chunk and Foundation. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Chunk integrates smoothly with Apple, Google, and Outlook calendars. Accessible right from your Mac’s menubar, it ensures distraction-free access to your tasks. Its minimalist fullscreen notifications offer clear,...
I had low expectations for this if i'm honest and its actually been really good I Just bought the lifetime access and was gutted you didn't support Apple calendar but then you released apple support the very...
Chunk is a new tool I’ve started using, and it’s simple but fills a crucial gap for anyone looking for a straightforward single-day planner. As someone with ADHD, I find it perfect for keeping track of my day without...
The reason I picked Foundation for this list is its strong emphasis on creating responsive designs, a feature that many developers value in the era of mobile browsing. This framework differentiates itself with an...
Semantic, coherent, and fully customizable, the Foundation empowers developers to create designs that are not only visually appealing but also adaptable to various screen sizes. Starting with small devices, developers...
Not only this, but they also have ‘Foundation for Emails’, which is a framework to code responsive HTML emails. Hence, whenever you are looking for an alternative to Bootstrap, do give Foundation a try.
Recommendations tracked on public social media and blogs since March 2021.


Tracking Chunk since Apr 2025.
First, I confess that I had built quite a lot of CSS Frameworks and Design Systems in my early developer life. So, this is going to be more of a personal experience. Ever since Coding Assistant LLMs became pretty good (2025-Q4 -... - Source: Hacker News / 15 days ago
Foundation - The most advanced responsive front-end framework. - Source: dev.to / 9 months ago
Foundation is a mobile-first responsive front-end framework that provides a range of CSS and JavaScript components for creating websites quickly. It’s often seen as a competitor to Bootstrap, offering more flexibility and customization... - Source: dev.to / about 2 years ago
When comparing Chunk and Foundation, you can also consider the following products.


Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Compare Bootstrap to Chunk or Foundation:

Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
Compare Fantastical 2 to Chunk or Foundation:

A modern responsive front-end framework based on Material Design
Compare Materialize CSS to Chunk or Foundation:

Spend less time managing your day & more time enjoying it
Compare Google Calendar to Chunk or Foundation:

A UI Component library implemented using a set of specifications designed around natural language
Compare Semantic UI to Chunk or Foundation: