
Raindrop.io
Instapaper
Matter
Obsidian
My Mind
Notion
Glasp
Effortlessly rediscover and organize your Kindle highlights

CodeTray.dev
DevsBox
DevToolKit.site
FreeToolkit
WebToolKit.tech
Webtools.takendrabam.com.np
29 free browser-based developer tools — JWT, regex, cron, timestamp converters, CSS generators, security checkers, and content generators. No sign-up required.

Which is more popular?
Based on our record, Readwise seems to be more popular. It has been mentioned 88 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | readwise.io | samtoolkit.com |
| Pricing | ||
| Platforms | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Readwise yet.
SamToolkit is a free collection of 29 small, focused developer utilities across 7 categories — converters, debuggers, generators and reference tools. Everything runs client-side in your browser, so nothing you paste or type is ever sent to a server. There is no account, no sign-up and no paywall,...
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
No analysis of SamToolkit yet.
Walkthroughs and reviews on video.
Readwise: How to use Spaced Repetition with your books
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How often each product is chosen within a category, 0–100% relative to the other.


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


I imported my kindle highlights, as many others. Now I daily review some highlights (thanks to a dashboard, I am motivated). And where I didn't create highlights, as I only listened to the audiobooks, I get the...
We have no reviews of SamToolkit yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Anyway, as I reached the end of the chapter, I wanted to read my Readwise's daily recap. However, my iPhone was in other room. I didn’t want to get up; I was tired. - Source: dev.to / 4 months ago
The only highlights that Readwise retrieves semi-automatically are from the books I buy from Kindle, by going into the Readwise app and clicking a button. If I upload them to Kindle or need highlights from the Apple Books app, I have to... - Source: dev.to / almost 2 years ago
Readwise also has this feature. I get a daily email with a random assortment of highlights that have been pulled in from multiple sources (Reader, Notion, Kindle, etc.) The product benefit in their case is that it's kind of like Zapier,... - Source: Hacker News / almost 2 years ago
Tracking SamToolkit since Sep 2026.
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