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

AppTweak
AppFollow
Asolytics
appfigures
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App Radar
Mobile Action
Track keywords, discover opportunities, analyze competitors and get AI-powered ASO suggestions to grow your app visibility on the App Store & Play Store.

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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|---|---|---|
| Website | eloquentjavascript.net | applyra.io |
| Pricing | ||
| Company | — | Startup from France · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Eloquent JavaScript yet.
Applyra is a comprehensive tool designed to enhance your app's visibility on the App Store and Play Store through AI-powered ASO insights. It offers a range of powerful features to help you track keywords, discover new opportunities, and analyze competitors. Key features include: - Keyword...
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 Applyra.io 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 Applyra.io.
Applyra.io's answer:
Applyra is an App Store Optimization tool built specifically for indie developers and small studios, not enterprises. It delivers the essentials of expensive ASO suites, daily keyword rank tracking, keyword discovery, competitor analysis, and AI-powered listing suggestions, at a flat $9.99 per month with a genuinely usable free tier. No per-seat pricing, no agency contracts, no dashboard you need training to use.
Applyra.io's answer:
Tools like AppTweak and Sensor Tower start well above $60 per month and are built for agencies and large teams. Applyra covers the core ASO workflow, tracking rankings across the App Store and Google Play, finding keywords competitors rank for, and getting AI suggestions to improve your listing, for $9.99 per month flat with unlimited apps and keywords. It is affordable, focused, and fast to act on, which fits solo founders who need results without the cost or complexity.
Applyra.io's answer:
Indie app developers, solo founders, and small mobile studios who publish on the App Store and Google Play and want to grow their organic visibility without paying enterprise ASO prices.
Applyra.io's answer:
Applyra was built by Aurélien Weiss, an indie developer in France, out of frustration that serious ASO tools were priced for agencies and enterprises. He built the tool he wanted for his own apps: daily rank tracking, keyword research, competitor analysis, and AI-driven listing suggestions, at a price an indie can actually afford. It launched in 2025 and now tracks thousands of apps for developers worldwide.
Applyra.io's answer:
Next.js (App Router) and React on the front end, TypeScript throughout, Supabase (PostgreSQL and authentication), Tailwind CSS, and Stripe for payments. It uses App Store and Google Play data pipelines for ranking data, and large language models via the Vercel AI SDK for the AI-powered keyword and metadata suggestions. Hosted on Vercel.
Applyra.io's answer:
Applyra serves indie developers and small studios worldwide rather than large enterprises, tracking thousands of apps across the App Store and Google Play. Its users are mostly solo developers and small teams.
Share your experience with using Eloquent JavaScript and Applyra.io. For example, how are they different and which one is better?
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 Applyra.io since Feb 2026.
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