VS Code
CodePen
GitHub
Node.js
RegExr
JSFiddle
CodeSandbox
Free ebook for the JS Beginners

Appkittie
AppMagic
Sensor Tower
Appfigures Explorer
Appfigures for Android
AppWiso ✦ Simple App Store Intelligence
Mobile Action
Mobile app intelligence for revenue, rankings, ads, and paywalls.
Which is more popular?
Based on our record, Eloquent JavaScript seems to be more popular. It has been mentioned 218 times since March 2021.
Website, pricing, platforms and company facts side by side.
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EJS
Eloquent JavaScript
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|
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|---|---|---|
| Website | eloquentjavascript.net | peekly.app |
| Pricing | ||
| Platforms | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Eloquent JavaScript yet.
Peekly is a mobile app intelligence platform for founders, indie hackers, marketers, and product teams. It tracks estimated revenue, downloads, rankings, active ads, paywalls, and growth signals across iOS and Android apps. Data is updated daily to help users discover growing apps, validate...
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 Peekly.app yet.
Walkthroughs and reviews on video.
Eloquent JavaScript A Modern Introduction to Programming 3rd Edition by Marijn Haverbeke review
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How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing Eloquent JavaScript and Peekly.app.
Peekly.app's answer:
Peekly combines mobile app revenue estimates, rankings, ads, paywalls, and growth signals in one daily-updated platform built for founders and indie hackers.
Peekly.app's answer:
Peekly is easier to access and more actionable than expensive enterprise app intelligence tools. It helps builders discover growing apps and validate ideas quickly.
Peekly.app's answer:
Indie hackers, startup founders, vibe coders, marketers, product managers, and small mobile app teams.
Peekly.app's answer:
Peekly was created to help builders discover mobile apps that are growing and making money, then turn those insights into better product ideas.
Peekly.app's answer:
Web application, mobile app store data, market intelligence, ranking analysis, and revenue estimation models.
Share your experience with using Eloquent JavaScript and Peekly.app. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

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

If you haven’t read Eloquent JavaScript , go check it out. It’s one of my all-time favourite programming books — hands down. - Source: dev.to / about 1 year ago
Videos, blogs, text-based teachings, YouTube project-based learning, books, and the like are all examples of various methods and mediums of acquiring skills, especially in the software engineering industry. As I continue to navigate... - Source: dev.to / almost 2 years ago
Seconded. I won't recommend it and no one I know has recommended it for a decade. It's hard for someone who doesn't know JS to know which parts has changed and is no longer the way to do things. https://github.com/getify/You-Dont-Know-JS... - Source: Hacker News / about 2 years ago
Tracking Peekly.app since Aug 2026.
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