RxMarbles vs Combine Tutorial
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RxMarbles
Visualize and understand ReactiveX observable sequences with interactive diagrams. This educational tool helps developers grasp complex asynchronous programming concepts by illustrating event-based data streams and composition operators.
- Interactive observable diagrams
- Visualization of event streams
- Demonstration of composition operators
- Educational tool for asynchronous programming
- Explains observer pattern extensions
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Interactive diagrams of Rx Observables. ReactiveX is a library for composing asynchronous and event-based programs by using observable sequences. It extends the observer pattern to support sequences of data and/or events and adds operators that allow you to compose sequences together declaratively while abstracting away concerns about things like low-level threading, synchronization, thread-safety, concurrent data structures, and non-blocking I/O.
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!
Screenshots
Verdict
The clearest difference is in-app purchases: RxMarbles at none against Combine Tutorial's 1. RxMarbles also leads on ads (none vs shown) and update cadence (every 4 months vs every 34 months). On price 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. Combine Tutorial sells 1 one-off in-app purchase. RxMarbles asks for nothing beyond the download.
RxMarbles ships an update every 4 months, Combine Tutorial every 34 months. The most recent releases landed on September 25, 2026 and September 11, 2026 respectively.
| Parameter | RxMarbles | Combine Tutorial |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (16 ratings) — better | — |
| Positive reviews | 84.0% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 4 months — better | Every 34 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.2 — better | 16.0 |
| Further details — not scored | ||
| Size | 21 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | AnjLab | 红燕 马 |
In-app purchases
RxMarbles
No in-app purchases
Combine Tutorial
- COMBINE TUTORIAL$0.99
