Comparison

504 vs Basic for Listening

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

Head to head
About

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.

Highlights
  • Essential vocabulary selection
  • Clear definitions and example sentences
  • Native pronunciation audio
  • Interactive learning games (flashcards, quizzes)
  • Progress tracking tools
  • Multi-language support
Features
Read full description

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

About

Basic for Listening

This app offers an activity-rich listening course designed to build skills in listening and conversation. It includes practice for testing and exam techniques, aiming to develop confident listeners and improve exam success.

Highlights
  • Activity-rich listening course
  • Builds listening and conversation skills
  • Practice for testing and exam techniques
  • Engaging and motivating activities
  • Short, practical content chunks
Features
Read full description

Tactics for Listening Third Edition is an activity-rich listening course with proven success in building skills in listening and conversation. Now with Tactics for Testing, it provides plenty of practice in testing and exam techniques. The result is confident listeners - and exam success. This three-level American English listening course uses short chunks and practical, relevant activities to engage and motivate students.

Screenshots

5044 screens
Basic for Listening4 screens

Verdict

The call

The clearest difference is in-app purchases: Basic for Listening at none against 504's 13. Basic for Listening also leads on review sentiment (100% vs 73%) and rating (5.0 vs 4.8). 504's advantage is update cadence (fortnightly vs every 13 months) and ratings volume (4.6K vs 5). On price, ads and device support 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. 504 sells 12 in-app purchases, starting at $4.99 per 7 days. Basic for Listening asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Basic for Listening holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 504 has 4.6K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 73% of 504's written reviews are positive against 100% of Basic for Listening's.

UpkeepUpdate frequency

504 ships an update fortnightly, Basic for Listening every 13 months. The most recent releases landed on September 21, 2026 and June 10, 2026 respectively.

Scorecard7 real differences · 3 level
504 versus Basic for Listening: the parameters behind the verdict, then further details
Parameter504Basic for Listening
PriceFreeFree
Rating4.8 (4.6K ratings)5.0 (5 ratings) — better
Positive reviews72.6% of reviews100.0% of reviews — better
Number of ratings4.6K — better5
Update frequencyFortnightly — betterEvery 13 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.011.0 — better
Further details — not scored
Size65 MB116 MB
Age rating4+4+
DeveloperNefarius AppsLe Bin

Customer experience

504

All ratings4,596 ratings
Positive94.6%
Neutral2.7%
Negative2.7%
Written reviews62 reviews
Positive72.6%
Neutral4.8%
Negative22.6%

Basic for Listening

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Basic for Listening

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

504

Subscriptions11
  • Premium$4.997 Days
  • Weekly Pro Membership3 Days trial$8.997 Days
  • Weekly Premium Membership3 Days trial$9.997 Days
Show 8 more
  • Premium1 Month trial$9.991 Month
  • Premium$9.991 Month
  • Premium3 Days trial2 variants$9.997 Days
  • Monthly Pro Membership3 Days trial$17.991 Month
  • Monthly Premium Membership3 Days trial$19.991 Month
  • Premium$34.991 Year
  • Yearly Premium Membership3 Days trial$59.991 Year
  • Yearly Pro Membership3 Days trial$59.991 Year
One-time1
  • Lifetime Access$79.99
None

Basic for Listening

No in-app purchases

Questions

Is 504 free?
504 is free to download, with in-app purchases available.
Is Basic for Listening free?
Basic for Listening is free to download, with no in-app purchases.
Which has better reviews, 504 or Basic for Listening?
Basic for Listening is rated higher. 504 averages 4.8 out of 5 from 4.6K ratings, while Basic for Listening averages 5.0 from 5 ratings.
Do 504 or Basic for Listening have ads?
Both 504 and Basic for Listening show ads.
Which is updated more often, 504 or Basic for Listening?
504 ships an update fortnightly, and Basic for Listening every 13 months. Most recently, 504 was updated on September 21, 2026 and Basic for Listening on June 10, 2026.

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