Comparison

Learn SQL & Database vs CastReader

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

Head to head
About

Learn SQL & Database

Master SQL and database management with interactive lessons, a built-in compiler, and real-world project practice. Learn fundamentals to advanced topics across MySQL, MongoDB, and PostgreSQL, earning certifications along the way.

Highlights
  • Complete SQL course
  • Built-in SQL compiler
  • Database project practice
  • Interactive learning with quizzes
  • Earn certifications
  • Covers MySQL, MongoDB, PostgreSQL
Features
Read full description

Want to master SQL and become a pro at working with databases? Welcome to the Learn SQL & Database App by EmbarkX – your all-in-one platform to learn SQL, understand databases, and practice using real-world SQL queries and database systems like MySQL, MongoDB, and PostgreSQL. Whether you're new to SQL or want to strengthen your database skills, this app helps you learn SQL step-by-step with interactive lessons, hands-on SQL compiler practice, and real database projects. Key Features of the Learn SQL App: - Complete SQL Course: Learn SQL fundamentals and advanced topics with easy-to-understand lessons. - Built-in SQL Compiler: Practice writing SQL queries directly in the app. - Database Project Practice: Build and query real databases using MySQL, MongoDB & PostgreSQL. - Interactive Learning: Learn SQL through exercises, quizzes, and real-world use cases. - Earn Certifications: Get certified as you complete modules in SQL and database management. What You’ll Learn in SQL & Database App: - SQL Basics: Understand SQL syntax, queries, filtering, sorting, and JOINs with MySQL and PostgreSQL. - Database Fundamentals: Learn how databases work, understand DBMS concepts, and explore relational vs. non-relational models. - CRUD Operations: Learn how to Create, Read, Update, and Delete data using SQL statements. - Advanced SQL Queries: Work with subqueries, aggregate functions, group by, having, and nested queries. - Normalization & Keys: Understand database normalization, primary keys, foreign keys, and constraints. - MySQL & PostgreSQL: Practice queries in MySQL and PostgreSQL environments. - MongoDB Basics: Get introduced to NoSQL and learn how MongoDB differs from traditional databases. - Real-World Scenarios: Apply SQL to practical problems and data sets used in real applications. Why Choose Learn SQL & Database App by EmbarkX? - Learn SQL with Real Use Cases: Build practical skills by solving real data problems. - Use SQL Compiler Anywhere: Practice coding with our interactive SQL compiler anytime, anywhere. - All Major Databases Covered: Learn SQL with MySQL, PostgreSQL, and MongoDB. - Designed for All Levels: Perfect for beginners, students, professionals, and tech enthusiasts. - Structured Curriculum: Learn database and SQL in a progressive and hands-on way. - Certifications for Every Module: Earn credentials that boost your programming and data skills. Who Is This App For? - Students learning to code or working on computer science courses - Developers looking to improve their SQL and database knowledge - Tech professionals wanting to manage databases more effectively - Beginners interested in learning programming and data querying - Anyone preparing for data-related interviews or certifications No prior coding or database experience is required. Whether you're learning programming for the first time or adding SQL to your toolkit, this app will guide you every step of the way. Get Certified and Advance Your Career in Data & Programming As you complete each module, earn certifications in SQL, MySQL, PostgreSQL, and MongoDB. Add these to your resume or LinkedIn and show your expertise in database management systems. Start Learning SQL & Databases Today! Download the Learn SQL & Database App now and start coding SQL queries, managing real databases, and becoming a data expert! For feedback or support, contact us at: embarkxofficial@gmail.com Privacy Policy & Terms: - https://embarkx.com/legal/privacy - https://embarkx.com/legal/terms

About

CastReader

Transform your documents, web pages, and even photos into spoken audio with natural-sounding voices. Follow along with synchronized text highlighting and get AI-powered explanations for complex passages. Enjoy unlimited reading and premium features with a Pro subscription.

Highlights
  • Text-to-speech for documents and web
  • Synchronized text highlighting
  • AI-powered explanations
  • Import from camera, files, and web
  • Support for 32 languages
  • Kindle library integration
  • YouTube caption reading
Features
Read full description

Read your own books aloud. CastReader turns PDF and EPUB books, web articles, and documents into speech, with text highlighting that helps you follow every word. Listen while you commute, study, or give your eyes a break. READ ALOUD AND FOLLOW ALONG Hear the original text in natural voices while the spoken words are highlighted and the page scrolls automatically. Read a chapter, review study notes, or listen to text recognized from a photo. Keep your place with both sound and text. UNDERSTAND WITH AI EXPLAIN For a difficult passage, listen to an AI-generated explanation. CastReader reads the explanation while marking the original with highlights, circled terms, and numbered steps, so you can connect each idea to the source. BRING YOUR OWN CONTENT - Camera or photo: recognize printed text - Web: open a URL and start listening - Files: PDF, EPUB, TXT, DOCX, and images - Paste: turn copied text into speech instantly - Kindle: connect your Kindle library and continue reading - Listen to YouTube: share or paste a public video link and hear its public captions with synchronized highlighting For Listen to YouTube, only public videos with accessible captions are supported. Videos requiring sign-in, age verification, membership, regional access, or private access cannot be read. CastReader does not play, download, or retain YouTube video or audio streams; speech is generated from caption text. CastReader is not affiliated with or endorsed by YouTube. ON IPHONE AND IPAD Use the layouts built for iPhone and iPad, in portrait or landscape. The Safari extension reads web pages with highlighting and automatic scrolling. Enable it in Safari settings and allow access to the pages you want to read. 32 READING LANGUAGES The international app now reads Bengali, Marathi, Punjabi (Gurmukhi) and Tamil, in addition to the existing 28 languages. The interface remains available in 28 languages. China services support 9 reading languages. Voice options and cloning support vary by language and region. FREE AND CASTREADER PRO Use CastReader free every day. Choose a monthly or annual Pro subscription for unlimited reading with standard voices, unlimited AI explanations, premium voice access, and playback speeds up to 3x. Cloned voices require Pro and use a separate allowance: 120 minutes per monthly allowance period. Optional 120-minute top-up packs add cloned-voice time without extending Pro. Local prices, billing periods, and renewal terms are shown in App Store before purchase. Voice and feature availability may vary by region. Dark mode and background playback are supported. Supported languages use Apple’s on-device OCR. Bengali, Marathi, Punjabi and Tamil use Google cloud OCR: images are sent for recognition through the international service after sign-in. Accuracy varies by language and image quality. Local reading history stays on your device; connected services handle their account and reading data under their own policies. Support for iPhone Duo: unfold for a roomier reading view, then fold back while keeping your place. Read Aloud and AI Explain adapt to the available space. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Learn SQL & Database4 screens
CastReader4 screens

Verdict

The call

The clearest difference is rating: CastReader at 4.8 against Learn SQL & Database's 3.9. CastReader also leads on review sentiment (97% vs 62%) and update cadence (every 2 days vs every 3 weeks). On price, ratings volume, ads and in-app purchases 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

Both are free to download. Learn SQL & Database sells 5 one-off in-app purchases and CastReader sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CastReader holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 15 and 42 respectively. Written reviews point the same way: 62% of Learn SQL & Database's written reviews are positive against 97% of CastReader's.

UpkeepUpdate frequency

Learn SQL & Database ships an update every 3 weeks, CastReader every 2 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 7 level
Learn SQL & Database versus CastReader: the parameters behind the verdict, then further details
ParameterLearn SQL & DatabaseCastReader
PriceFreeFree
Rating3.9 (15 ratings)4.8 (42 ratings) — better
Positive reviews61.5% of reviews96.8% of reviews — better
Number of ratings1542 — better
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS16 — better17.6
Further details — not scored
Size70 MB205 MB
Age rating4+4+
DeveloperFaisal Memonohsame Inc

Customer experience

Learn SQL & Database

All ratings15 ratings
Positive73.3%
Neutral0.0%
Negative26.7%
Written reviews13 reviews
Positive61.5%
Neutral0.0%
Negative38.5%

CastReader

All ratings41 ratings
Positive92.7%
Neutral4.9%
Negative2.4%
Written reviews31 reviews
Positive96.8%
Neutral0.0%
Negative3.2%

In-app purchases

5 purchases

Learn SQL & Database

One-time5
  • One Time Offer - 1$4.99
  • One Time Offer - 2$4.99
  • Onboarding Welcome Offer$7.99
Show 2 more
  • Lifetime Unlock$9.99
  • Offer Compare Price$9.99
5 purchases

CastReader

Subscriptions4
  • CastReader Pro (Monthly)7 Days trial$4.991 Month
  • CastReader Pro (Monthly)7 Days trial$9.991 Month
  • CastReader Pro (Yearly)7 Days trial$34.991 Year
Show 1 more
  • CastReader Pro (Yearly)7 Days trial$59.991 Year
One-time1
  • 120 Clone Voice Minutes$2.99

Questions

Is Learn SQL & Database free?
Learn SQL & Database is free to download, with in-app purchases available.
Is CastReader free?
CastReader is free to download, with in-app purchases available.
Which has better reviews, Learn SQL & Database or CastReader?
CastReader is rated higher. Learn SQL & Database averages 3.9 out of 5 from 15 ratings, while CastReader averages 4.8 from 42 ratings.
Do Learn SQL & Database or CastReader have ads?
Neither Learn SQL & Database nor CastReader shows ads.
Which is updated more often, Learn SQL & Database or CastReader?
Learn SQL & Database ships an update every 3 weeks, and CastReader every 2 days. Most recently, Learn SQL & Database was updated on October 30, 2026 and CastReader on November 9, 2026.

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