Rectangles & Primes vs Combine Tutorial
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Rectangles & Primes
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Rectangle provides a fun and insightful maths experience for kids aged 6 to 12. They will improve their understanding of number factorization and prime numbers.
Combine Tutorial
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Combine is a basic library for Swift programming. You can implement responsive programming through the Combine framework. The App provides knowledge explanations about Combine and the use of high-order functions, helping you to have a deeper understanding of the framework. The App also provides corresponding programming codes. You can use sample codes to help you quickly complete the code learning. I wish you a wonderful experience in programming!
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Verdict
The clearest difference is in-app purchases: Rectangles & Primes at none against Combine Tutorial's 1. Rectangles & Primes also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 34 months). On price 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
Both are free to download. Combine Tutorial sells 1 one-off in-app purchase. Rectangles & Primes asks for nothing beyond the download.
Rectangles & Primes ships an update every 3 weeks, Combine Tutorial every 34 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.
| Parameter | Rectangles & Primes | Combine Tutorial |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks โ better | Every 34 months |
| Ads | No โ better | Yes |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.0 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 10 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Johannes Charra | ็บข็ ้ฉฌ |
In-app purchases
Rectangles & Primes
No in-app purchases
Combine Tutorial
- COMBINE TUTORIAL$0.99
Questions
Is Rectangles & Primes free?
Is Combine Tutorial free?
Do Rectangles & Primes or Combine Tutorial have ads?
Which is updated more often, Rectangles & Primes or Combine Tutorial?
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