Learn Javascript Language vs Happiness Hacker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Learn Javascript Language
Master Javascript programming with this educational app. It offers audio pronunciation of terms, quizzes, study modes, and bookmarking for flashcards and questions. Track your progress through chapters and overall with visual indicators.
- Audio pronunciation of Javascript terms
- Text-to-Speech engine for audio
- Quizzes for practice
- Study mode
- Bookmarking for flashcards and quizzes
- Progress indicators
- Progress visualization
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This app is a great resource to learn about Javascript Programming Language. The app is engineered to make users perfect understanding common Javascript Programming Language questions by studying for a very short amount of time. Audio functionality and bookmarking is available throughout the app on chapter, section, study mode and quiz modes. The app will help you learn the correct pronunciation of terminologies used in Javascript Programming Language using English language. Following are the main features of this app 1. Supports pronouncing Javascript Programming Language terminologies in English Language 2. Uses Text to Speech Engine for Audio Functionality 3. Quizzes 4. Study Mode 5. Bookmarking Study Flashcards and Quiz Questions 6. Progress Indicators for Every Chapter 7. Visualization for Overall Progress
Happiness Hacker
Track behaviors scientifically proven to boost well-being, including sleep, gratitude, and acts of kindness. Access guided meditations and an online course on the science of happiness. All data is stored locally for privacy.
- Daily happiness and sleep tracker
- Gratitude journal
- Kindness, connection, savoring, and activity tracker
- Guided meditations
- Science of Well-Being online course
- Strategies for inner critic, strengths, and goal-setting
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The Happiness Hacker App is where you can keep track of a variety of behaviors that have been scientifically proven to increase happiness and well-being. Features: -Daily happiness and sleep tracker -Gratitude journal -Tracker/journal for performing kind acts, making connections with others, savoring experiences, and performing physical activity -Guided meditations -The Science of Well-Being online course by Dr. Laurie Santos -Strategies for fighting your inner critic, finding your strengths, and goal-setting This app stores data entirely on your device and not in the cloud to maintain privacy and anonymity. Developed by Noah Brauner, class of 2025
Screenshots
Verdict
The clearest difference is rating: Happiness Hacker at 4.3 against Learn Javascript Language's 1.0. Happiness Hacker also leads on in-app purchases (none vs 1) and update cadence (every 4 months vs every 16 months). On price, ads, 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
Both are free to download. Learn Javascript Language sells 1 one-off in-app purchase. Happiness Hacker asks for nothing beyond the download.
Happiness Hacker holds the better App Store score, 4.3 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
Learn Javascript Language ships an update every 16 months, Happiness Hacker every 4 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.
| Parameter | Learn Javascript Language | Happiness Hacker |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.3 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 16 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Ghumman Tech LLC | Noble and Greenough School |
In-app purchases
Learn Javascript Language
- Remove Ads$9.99
Happiness Hacker
No in-app purchases
Questions
Is Learn Javascript Language free?
Is Happiness Hacker free?
Which has better reviews, Learn Javascript Language or Happiness Hacker?
Do Learn Javascript Language or Happiness Hacker have ads?
Which is updated more often, Learn Javascript Language or Happiness Hacker?
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