Comparison

Crammfly vs Learn Three.js Offline

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Crammfly

Enhance your learning with a flashcard app featuring a built-in study timer and customizable review schedules. It offers automatic card flipping and reading in multiple languages to aid memorization.

Highlights
  • Learning Timer
  • Review Schedule with notifications
  • Switchable Learn Order
  • Auto-Flip cards
  • Auto-Reading with adjustable speed and pitch
  • Supports 13 languages
Features
Read full description

"Crammfly" is the Flashcard App that support your own study with [Learning Timer],[Review Schedule]. ※※※※※※ Features ※※※※※※ 1, Learning Timer While you studying by "Crammfly", it countdown your learning time. It makes you focus on studying to conscious the learning time more. ([Learning Timer] can also be turned off) 2, Review Schedule When the time comes that you should review, "Crammfly" will send you a notification. And, Review schedule can set the way you want it. 3, Switching of Learn Order The learn order can change [front → reverse] or [reverse or front], and can replace the all cards order at random. 4, Auto-Flip Without operating screen, "Crammfly" can automatically [Flip over a card] and [Move to next card] at every preset seconds. And combined with the feature of Auto-Reading(see below), It is automatically [Flip over a card] and [Move to next card] at the end of reading. 5, Auto-Reading It can change the pitch and reading-speed. And it support for the 13 languages(below). ~ Supported languages ~ English(US) English(UK) Simplified Chinese Traditional Chinese French German Italian Japanese Korean Polish Spanish Swedish (※1: If notification settings in your device is on)

About

Learn Three.js Offline

Master 3D graphics and interactive web development with comprehensive tutorials and interactive demos. Learn Three.js from scratch, access code snippets, and explore rich content to build stunning visualizations on your mobile device.

Highlights
  • Learn Three.js from scratch
  • Interactive 3D demos
  • In-depth articles and video tutorials
  • Code snippets and templates
  • Offline learning capabilities
Features
Read full description

Learn Three.js – Your Complete Offline Guide to Modern 3D Web Development Learn Three.js is a complete learning app designed for students, beginners, and professional web developers who want to master 3D graphics on the web. Whether you're creating interactive websites, games, animations, or immersive visualizations, this app provides structured lessons that help you learn from the fundamentals to advanced concepts. Study anytime without an internet connection. Every lesson is organized into easy-to-follow chapters with practical explanations and code examples that make learning enjoyable and effective. Why Learn Three.js? Three.js is one of the most popular JavaScript libraries for creating 3D graphics in web browsers using WebGL. It simplifies complex graphics programming and enables developers to build stunning interactive experiences with less code. This app helps you understand both the theory and practical implementation of Three.js through carefully organized tutorials. App Features Offline Learning Access all tutorials without requiring an internet connection after installation. Beginner Friendly Learn step by step with clear explanations and practical examples. Comprehensive Tutorials Study topics ranging from basic concepts to advanced Three.js development. Code Examples Understand every concept through easy-to-read sample code. Interview Questions Prepare for developer interviews with commonly asked Three.js questions. Frequently Asked Questions Who Should Use This App? Students learning web development Frontend developers JavaScript developers WebGL beginners Game developers Creative developers UI and UX engineers Technical artists Anyone interested in interactive 3D web experiences Whether you're building your first 3D scene or creating professional interactive applications, Learn Three.js provides the knowledge and practical guidance you need to become a confident Three.js developer. Download Learn Three.js today and start building beautiful, interactive 3D experiences for the modern web.

Screenshots

Crammfly4 screens
Learn Three.js Offline4 screens

Verdict

The call

The clearest difference is review sentiment: Crammfly at 100% against Learn Three.js Offline's 0%. Crammfly also leads on price (Free vs $1.99) and update cadence (every 7 months vs every 35 months). Learn Three.js Offline's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Crammfly is free to download; Learn Three.js Offline costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Crammfly ships an update every 7 months, Learn Three.js Offline every 35 months. The most recent releases landed on November 3, 2026 and November 11, 2026 respectively.

Scorecard5 real differences · 5 level
Crammfly versus Learn Three.js Offline: the parameters behind the verdict, then further details
ParameterCrammflyLearn Three.js Offline
PriceFree — better$1.99
Rating—1.0 (1 ratings) — better
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 7 months — betterEvery 35 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported — betterPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.013.0
Further details — not scored
Size5 MB38 MB
Age rating4+4+
Developerkota endoMuhammad Mubeen

Customer experience

Crammfly

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Learn Three.js Offline

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Crammfly

No in-app purchases

None

Learn Three.js Offline

No in-app purchases

Questions

Is Crammfly free?
Crammfly is free to download, with no in-app purchases.
Is Learn Three.js Offline free?
Learn Three.js Offline costs $1.99, with no in-app purchases.
Do Crammfly or Learn Three.js Offline have ads?
Crammfly shows ads; Learn Three.js Offline does not.
Which is updated more often, Crammfly or Learn Three.js Offline?
Crammfly ships an update every 7 months, and Learn Three.js Offline every 35 months. Most recently, Crammfly was updated on November 3, 2026 and Learn Three.js Offline on November 11, 2026.

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