504 vs GO2TRain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
504
Master essential vocabulary with this language learning app. It offers clear definitions, example sentences, and native pronunciation for high-utility words. Engage with interactive games like flashcards and quizzes to reinforce learning and track your progress effectively.
- Essential vocabulary selection
- Clear definitions and example sentences
- Native pronunciation audio
- Interactive learning games (flashcards, quizzes)
- Progress tracking tools
- Multi-language support
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Build your vocabulary with 504 Words – a smarter way to learn languages. 504 Words is a language learning app that helps you master the most essential vocabulary through clear definitions, example sentences, and interactive games. Whether you're learning English, German, French, or future supported languages, this app is designed to make your progress efficient and enjoyable. Learn the right words We’ve carefully selected 504 high-utility words for each language, focusing on real-world usage and practical communication. Every word comes with: - A clear definition - An example sentence - Native pronunciation Practice through interactive games Make learning fun and effective with built-in study modes: - Flashcards to test your memory - Multiple choice quizzes to reinforce understanding - Listening games to improve your pronunciation and recognition skills These game modes make it easier to retain new words and stay engaged every day. Track your progress Stay motivated with performance tracking tools. Monitor the words you've mastered and focus on areas where you need improvement. Great for daily practice and long-term learning. Multi-language support Start with English, German, and French. More languages will be added soon. Whether you're a beginner or refreshing your knowledge, the app adapts to your level and pace. Designed for all learners 504 Words offers a clean, intuitive interface suitable for learners of all ages. Use it at home, in class, or while traveling. No ads, no distractions—just focused learning. Download 504 Words today and take the first step toward confident communication in any language. https://nefarius-apps.github.io/504/privacy-policy https://nefarius-apps.github.io/504/terms-of-use
GO2TRain
Master new languages with engaging video lessons, AI chat practice, and downloadable handouts. Connect with language partners to improve speaking skills. Available on mobile and desktop.
- Diverse language selection
- Engaging video lessons
- Language partner connection
- AI chat for practice
- Downloadable handouts
- Quizzes and exercises
- Desktop version available
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Unlock a World of Languages with GO2TRain! Say goodbye to language barriers and start your journey to fluency with GO2TRain – the ultimate language learning app that makes mastering new languages fun, easy, and accessible for everyone. Whether you’re dreaming of speaking English, German, French, Korean, Turkish, Italian, Arabic, Russian, Spanish, or Chinese, GO2TRain offers engaging lessons tailored to all skill levels. Join thousands of learners and start your language adventure today! Why GO2TRain? - Diverse Language Selection: Master popular languages like English, German, French, Korean, Turkish, Italian, Arabic, Russian, Spanish, and Chinese, with new languages added regularly. - Engaging Video Lessons: Interactive video sessions from 45 to 90 minutes, making learning feel like having a personal tutor on hand. - Find a Language Partner: Connect with other learners and practice together! Find a partner to improve your speaking skills in a real-world context. - AI Chat for Instant Practice: Improve your writing and conversation skills by chatting with our AI assistant, available to help anytime! - Downloadable Handouts: Review important point of lessons easily with downloadable study materials. - Quizzes and Exercises: Test your skills after each session and advance your language abilities. - Desktop Version Available: Prefer learning on a bigger screen? GO2TRain is now available on desktop for a more immersive experience. Your Language, Your Adventure! GO2TRain goes beyond language learning – it’s about experiencing new cultures and stories from around the world. Ready to embark on your language journey? Download GO2TRain now and open the door to endless opportunities. -- Subscription details -- Unlock the full potential of GO2TRain with our premium subscription plans: Premium Subscription – Enjoy unlimited access for just $5.99 per month. Premium 6-Month Subscription – Get 6 months of premium access for only $19.99. Payment will be charged to your Apple ID account upon purchase confirmation. The renewal cost will be the same as the original subscription price. You can manage or cancel your subscription anytime in your App Store account settings Terms of Service : https://go2train.co/termsofservice Privacy Policy : https://go2train.co/privacypolicy
Screenshots
Verdict
The clearest difference is ads: GO2TRain at none against 504's shown. GO2TRain also leads on iOS requirement (15.0 vs 18.0). 504's advantage is update cadence (fortnightly vs monthly) and ratings volume (4.6K vs 1.3K). On price, rating, review sentiment 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
Both are free to download. 504 sells 6 in-app purchases, starting at $4.99 per 7 days and GO2TRain sells 7 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for 504 against 4.9 for GO2TRain. Both are backed by a comparable volume of ratings — 4.6K and 1.3K respectively. Written reviews are what separate them: 73% of 504's written reviews are positive against 74% of GO2TRain's.
504 ships an update fortnightly, GO2TRain monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | 504 | GO2TRain |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4.6K ratings) | 4.9 (1.3K ratings) — better |
| Positive reviews | 73.0% of reviews | 74.2% of reviews — better |
| Number of ratings | 4.6K — better | 1.3K |
| Update frequency | Fortnightly — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 66 MB | 138 MB |
| Age rating | 4+ | 4+ |
| Developer | Nefarius Apps | GO2TR EGITIM TURIZM GAYRIMENKUL DANISMANLIK REKLAMCILIK PAZARLAMA VE TICARET ANONIM S |
Customer experience
504
GO2TRain
User reviews
504
From 4.6K App Store ratingsWhat we love
- 🚀 Easy to learn
- 👍 Useful vocabulary practice
- 🚀 Convenient for learning on the go
Room to improve
- 🐛 Bugs and glitches in latest version
- 🔒 Concerns about data tracking
- 🔊 Issues with pronunciation and audio
GO2TRain
From 1.3K App Store ratingsWhat we love
- 🤩 Awesome learning app
- 👍 Great and free app to learn new languages
- 👌 Useful for learning new languages
- 🔥 Totally free with amazing courses
Room to improve
- 🐛 App crashes and closes immediately after opening
- 🐛 App not working properly on latest iOS version
- 🐛 Different sections of the app not opening
- 🐛 App keeps crashing and logging out of lessons
Bugs and requests
504
Reported bugs
3 issues- Pronunciation not working in latest version
- Lessons for second half of book blocked behind paywall
- Compatibility issues with older devices
Requested features
3 requests- Add part of speech for each word
- Include a note box for personal examples
- Add dark mode option
GO2TRain
Reported bugs
2 issues- Videos not opening in iOS
- App crashing after updates
Requested features
2 requests- Add Japanese language courses
- Provide a desktop version of the app
In-app purchases
504
- Premium$4.997 Days
- Premium1 Month trial$9.991 Month
- Premium$9.991 Month
Show 3 moreShow fewer
- Premium3 Days trial2 variants$9.997 Days
- Premium$34.991 Year
- Yearly Pro Membership3 Days trial$59.991 Year
GO2TRain
- GO2TRain$1.997 Days
- GO2TRain$4.991 Month
- GO2TRain$5.991 Month
Show 3 moreShow fewer
- GO2TRain2 variants$19.996 Months
- GO2TRain$29.991 Year
- GO2TRain$49.991 Month
- GO2TRain$149.00








