# Combine Operators

> Interactive learning tool for Apple's Combine framework with publisher and operator visualizations. (iPhone/iPad app by Alper Incedalci.)

- Source: https://appshunter.io/ios/app/combine-operators/id1507756027 (this page in markdown: same URL + `.md`)
- Developer: [Alper Incedalci](https://appshunter.io/developer/1406149335)
- Category: Developer Tools, Education
- Price: Free
- Rating: 4.91/5 from 32 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 3 MB
- Languages: English
- Released: 2020-04-14
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/combine-operators/id1507756027/reviews.md

## What is Combine Operators?

Combine Operators wants to help you improve your knowledge with Combine framework.

- Interact directly with underlying publisher instances through an intuitive UI.
- Follow the whole journey of publishers, when they get subscriptions, receive demands, cancelled or completed.
- Get familiar with operator concepts or just refresh your knowledge.
- Observe through helpful animations how subjects and operators behave with different input values.
- Pseudo codes for each operator.

## Key features

- Interactive publisher UI
- Publisher journey tracking
- Operator concept learning
- Animation-based behavior observation
- Pseudo-code for operators

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/combine-operators/id1507756027/reviews.md

### 5/5 — Great tool when working with Combine

*2022-06-02, version 1.1.4*

Oh my gawd, thank you. Easy to understand and explore the other combine publishers

### 5/5 — Programming Visual Learner

*2021-02-06, version 1.1.4*

This application makes it easy to learn Combine programming. Thank you for this wonderful application. I hope it expands to SwiftUI and other frameworks.

## Frequently asked questions about Combine Operators

### What is Combine Operators?

Combine Operators is a free educational app designed to help developers learn and understand Apple's Combine framework. It offers interactive visualizations and pseudo-code examples for various operators and publisher behaviors.

### Is Combine Operators free to use?

Yes, Combine Operators is completely free to download and use. There are no in-app purchases or subscription fees associated with the application.

### What devices is Combine Operators available on?

Combine Operators is available on iPhone, iPad, and iPod touch devices, making it accessible for a wide range of Apple users.

### How often is Combine Operators updated?

The app was last updated on January 19, 2021, with version 1.1.4. While update frequency can vary, this indicates recent maintenance and potential for future improvements.

### What age rating does Combine Operators have?

Combine Operators has an age rating of 4+, making it suitable for users of all ages interested in learning about programming concepts.

### Can I interact with underlying publisher instances in Combine Operators?

Yes, the app allows you to interact directly with underlying publisher instances through an intuitive user interface, providing a hands-on learning experience.

### Does Combine Operators show how publishers receive subscriptions and demands?

Yes, Combine Operators allows you to follow the entire journey of publishers, including when they receive subscriptions, demands, and when these are cancelled or completed.

### Does Combine Operators have ads?

The provided data does not specify if Combine Operators contains advertisements. However, given its free status and lack of in-app purchases, it's possible it may include ads.

## Version history (last 1 release)

### 1.1.4 — 2021-01-19

1.1.4:
- Minor bug fixes.

1.1:
- Added pseudo code for operator animations.
- Added animations for observing publisher lifecycle.
- Added more operators including switchToLatest.
- Added reset subscriptions button.
- Added error handling operators.

## Apps similar to Combine Operators

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Carnets - Jupyter (with scipy)](https://appshunter.io/ios/app/carnets-jupyter-with-scipy/id1559497253) | 4.6 (76) | Free | Developer Tools |
| [ZappyCode - Coding at Any Age](https://appshunter.io/ios/app/zappycode-coding-at-any-age/id1523733753) | 3.3 (39) | Free | Developer Tools |
| [Swifty Compiler: Swift IDE](https://appshunter.io/ios/app/swifty-compiler-swift-ide/id1544749600) | 4.4 (178) | Free | Developer Tools |
| [Minima Sculptor](https://appshunter.io/ios/app/minima-sculptor/id1493318997) | 4.5 (87) | Free | Developer Tools |
| [a-Shell mini](https://appshunter.io/ios/app/a-shell-mini/id1543537943) | 4.8 (14) | Free | Developer Tools |
| [Java Recipes](https://appshunter.io/ios/app/java-recipes/id1180812403) | 4.6 (45) | Free | Developer Tools |

## More apps by Alper Incedalci

- [Particles Editor](https://appshunter.io/ios/app/particles-editor/id1483328725)

All apps by Alper Incedalci: https://appshunter.io/developer/1406149335

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*