Comparison

Enigma JS vs Frontend Milo

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

Head to head
About

Enigma JS

This app offers JavaScript quizzes covering common interview questions for web and mobile developers. It provides detailed explanations to help users learn and practice tricky language concepts and essential React/React Native knowledge.

Highlights
  • Common JavaScript interview questions
  • React and React Native concepts
  • Detailed explanations for each question
  • Quizzes for beginners and experienced developers
  • Practice tricky language parts
Features
Read full description

Enigma is a JavaScript quiz app featuring the most common interview questions. Here, youโ€™ll find tricky parts of JavaScript language and the key concepts essential for React and React Native developers. Whether you are an experienced developer or a beginner, you'll find questions and explanations in this app that will help you learn and practice. Some quizzes are designed to understand the basics, while others targeting tricky parts of the Javascript language that we developers encounter time to time. - Refresh your knowledge by having quick quizzes anywhere during your day. - Stay up-to-date by learning and practicing tricky parts of the language. - For each question see detailed explanations that are designed to help you comprehend the concepts.

About

Frontend Milo

Features
Read full description

Frontend Milo helps you master frontend development through daily, structured learning. Now featuring Audio Explanations - listen hands-free and learn anywhere, anytime. It is designed for frontend engineers who want to stay sharp, prepare for interviews, or grow their technical depth without long study sessions. -------------------------------------------------- HOW IT WORKS -------------------------------------------------- Each day, you will receive 10 carefully selected frontend questions covering real-world topics such as React, TypeScript, JavaScript, CSS, performance, and design patterns. You can review detailed explanations, ask follow-up questions using the built-in AI Mentor, listen to audio versions of answers, and track your learning progress over time. -------------------------------------------------- KEY FEATURES -------------------------------------------------- - Daily Practice - Get 10 curated questions every day to stay consistent and confident. - Custom Topics - Choose up to 5 focus areas from 20+ frontend topics including React, TypeScript, JavaScript, CSS, Web APIs, and Performance. - In-Depth Explanations - Every question includes clear reasoning and real-world examples. - AI Mentor - Ask follow-up questions and receive instant, contextual answers. - Audio Explanations - Listen to answers hands-free while commuting, cooking, or relaxing. - Progress Tracking - Review your history, mark questions as done, or save them for later. - Offline Access - Continue learning even without an internet connection. -------------------------------------------------- MEMBERSHIP OPTIONS -------------------------------------------------- 1. Free Plan - Access fundamental topics and view detailed answers for up to 3 questions per day. 2. Premium Plan - Unlock all 20+ topics, customize your daily question count (3 / 5 / 10 / 15), and enjoy up to 100 AI follow-ups per question. - Renewal schedule and pricing depend on your selected plan. - Manage or cancel your subscription anytime in your Apple ID Account Settings. - By subscribing, you agree to our Terms of Service and Privacy Policy. Terms of Service: https://frontendmilo.com/terms-of-service Privacy Policy: https://frontendmilo.com/privacy-policy -------------------------------------------------- WHO IT IS FOR -------------------------------------------------- Frontend Milo is built for: - Engineers preparing for frontend interviews. - Developers who want to keep their React, TypeScript, and JS skills sharp. - Busy professionals who prefer short, focused daily learning. - Learners who want both text and audio explanations for better retention. -------------------------------------------------- WHY FRONTEND MILO -------------------------------------------------- Frontend Milo makes it easy to learn consistently, improve your problem-solving mindset, and build real confidence for frontend interviews. Stay sharp, stay curious, and make learning part of your daily routine.

Screenshots

Enigma JS4 screens
Frontend Milo4 screens

Verdict

The call

The clearest difference is ads: Frontend Milo at none against Enigma JS's shown. Frontend Milo also leads on update cadence (every 4 days vs every 14 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Enigma JS sells 1 one-off in-app purchase and Frontend Milo sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Enigma JS ships an update every 14 months, Frontend Milo every 4 days. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

Scorecard2 real differences ยท 6 level
Enigma JS versus Frontend Milo: the parameters behind the verdict, then further details
ParameterEnigma JSFrontend Milo
PriceFreeFree
Positive reviews28.6% of reviewsโ€”
Update frequencyEvery 14 monthsEvery 4 days โ€” better
AdsYesNo โ€” better
In-app purchasesYesYes
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.115.1
Further details โ€” not scored
Size59 MB38 MB
Age rating4+4+
DeveloperYesno LabsLei Jin

In-app purchases

1 purchases

Enigma JS

One-time1
  • Remove ads and unlock content$9.99
3 purchases

Frontend Milo

Subscriptions3
  • 1 Month$6.991 Month
  • 6 Months$24.996 Months
  • 12 Months$34.991 Year

Questions

Is Enigma JS free?
Enigma JS is free to download, with in-app purchases available.
Is Frontend Milo free?
Frontend Milo is free to download, with in-app purchases available.
Do Enigma JS or Frontend Milo have ads?
Enigma JS shows ads; Frontend Milo does not.
Which is updated more often, Enigma JS or Frontend Milo?
Enigma JS ships an update every 14 months, and Frontend Milo every 4 days. Most recently, Enigma JS was updated on September 8, 2026 and Frontend Milo on September 9, 2026.

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