Comparison

Angles vs IELTS Slay

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

Head to head
About

Angles

Access a vast library of non-fiction book summaries across many categories. Get quick insights with flash summaries or dive deep with chapter-by-chapter analysis. Personalized AI recommendations enhance your learning journey.

Highlights
  • AI-powered personalized recommendations
  • Flash summaries for quick insights
  • Deep chapter-by-chapter analysis
  • 200+ non-fiction book summaries
  • Diverse category selection
  • User-friendly interface
Read full description

Discover a world of wisdom with our powerful book summary app! Whether you're short on time or looking for in-depth comprehension, we’ve got you covered. Dive into a vast library of over 200 non-fiction book summaries across diverse categories and experience learning like never before. Features You Will Love: 1. Personalized AI Recommendations: Our intelligent AI tailors daily recommendations to suit your interests and learning goals, making your reading experience personalized and efficient. 2. Flash Summary: Get the essence of a book in just a few minutes! Perfect for a quick knowledge boost during your commute or break. 3. Deep Summary: Delve deep with chapter-by-chapter analysis for a comprehensive understanding. Ideal for those wanting to master the subject. 4. Vast Categories: Choose from an array of categories including Career & Success, Mindfulness & Happiness, Relationships, Science, Tech & Startups, Psychology, Productivity, Management & Leadership, Motivation & Creativity, Money & Markets, Business, Marketing & Sales, Spirituality & Philosophy, and Communication. 5. Easy to Use: User-friendly and intuitive design to make your reading experience seamless and enjoyable. **Why Wait? Start your journey to becoming a better you. Download our app and explore knowledge like never before. Learn quickly, grow continuously, and become the best version of yourself! ———————— • Privacy Policy → https://anglesapp.com/privacy • Terms of Service → https://anglesapp.com/terms

About

IELTS Slay

Enhance your English vocabulary and grammar skills for the IELTS exam. This adaptive learning app uses a sophisticated algorithm to tailor quizzes to your proficiency level, helping you improve quickly. Developed by experts with over 20 years of educational technology experience.

Highlights
  • Adaptive quiz questions
  • Rasch algorithm for personalized learning
  • Vocabulary and grammar practice
  • IELTS level improvement
  • Developed by educational technology experts
Features
Read full description

IELTS® Slay is an adaptive IELTS vocabulary and grammar practice app. It delivers quiz questions according to the student's proficiency in English using the highly effective Rasch algorithm. Using it regularly improves the student's IELTS level in a very short time. It has been proudly developed by CommonTown which has more than 20 years of experience in educational technology research and products.

Screenshots

Angles3 screens
IELTS Slay4 screens

Verdict

The call

The clearest difference is update cadence: IELTS Slay at weekly against Angles's every 3 weeks. IELTS Slay also leads on iOS requirement (13.1 vs 15.0). Angles's advantage is ratings volume (4 vs 1). On price, rating, 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. Angles sells 2 in-app purchases, starting at $9.99 per month and IELTS Slay sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Angles against 5.0 for IELTS Slay. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

Angles ships an update every 3 weeks, IELTS Slay weekly. The most recent releases landed on September 16, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
Angles versus IELTS Slay: the parameters behind the verdict, then further details
ParameterAnglesIELTS Slay
PriceFreeFree
Rating5.0 (4 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings4 — better1
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.1 — better
Further details — not scored
Size6 MB16 MB
Age rating4+4+
DeveloperFarid AsadiCommonTown Pte Ltd

Customer experience

Angles

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

IELTS Slay

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Angles

Subscriptions2
  • Angles Premium$9.991 Month
  • Angles Premium$47.901 Year
1 purchases

IELTS Slay

One-time1
  • Premium Access$4.99

Questions

Is Angles free?
Angles is free to download, with in-app purchases available.
Is IELTS Slay free?
IELTS Slay is free to download, with in-app purchases available.
Which has better reviews, Angles or IELTS Slay?
Angles and IELTS Slay are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.
Do Angles or IELTS Slay have ads?
Neither Angles nor IELTS Slay shows ads.
Which is updated more often, Angles or IELTS Slay?
Angles ships an update every 3 weeks, and IELTS Slay weekly. Most recently, Angles was updated on September 16, 2026 and IELTS Slay on October 11, 2026.

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