JavaScript Manual vs idevtool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JavaScript Manual
An offline, ad-free guide to JavaScript, covering its core guide, built-in objects, and Web API. Access comprehensive documentation without an internet connection.
- JavaScript guide
- Built-in objects
- Web API documentation
- Offline access
- Ad-free experience
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JavaScript Manual - Complete Offline Reference Your go-to companion for JavaScript development. Read everything from ES6+ basics to Web APIs anytime, anywhere - fully offline. Three core modules: - JavaScript Guide: variables, functions, closures, async/await, prototypes and modern ES6+ syntax - Built-in Objects: Array, Object, String, Number, Date, RegExp, Map, Set, Promise and more, with methods and examples - Web API: DOM, Fetch, Storage, Canvas, WebSocket and browser interfaces Why developers love it: - 100% offline - all content stored on your device - Zero ads - clean, distraction-free reading - Lightweight and fast - built for quick lookups Perfect for learning, coding reference, interview prep, and offline study. Questions or feedback? Contact: devspera@outlook.com
idevtool
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This tool allows developers to open and debug iOS environment through an emulated SSH port. Just run it and view the output connection details in the main console.
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Verdict
The clearest difference is update cadence: idevtool at every 4 days against JavaScript Manual's every 31 months. JavaScript Manual's advantage is iOS requirement (15.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
JavaScript Manual ships an update every 31 months, idevtool every 4 days. The most recent releases landed on September 20, 2026 and September 14, 2026 respectively.
| Parameter | JavaScript Manual | idevtool |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 31 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 34 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Hua Yang | Yuval Hanoch Hirschenbeen Sadde |
In-app purchases
JavaScript Manual
No in-app purchases
idevtool
No in-app purchases
Questions
Is JavaScript Manual free?
Is idevtool free?
Do JavaScript Manual or idevtool have ads?
Which is updated more often, JavaScript Manual or idevtool?
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