# Leaflet for Swift&Algorithm vs Kotlin Recipes

The clearest difference is update cadence: Leaflet for Swift&Algorithm at every 8 days against Kotlin Recipes's every 3 months. Leaflet for Swift&Algorithm also leads on ratings volume (297 vs 8). Kotlin Recipes's advantage is review sentiment (100% vs 71%) and iOS requirement (16.0 vs 26.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Leaflet for Swift&Algorithm sells 1 one-off in-app purchase and Kotlin Recipes sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Leaflet for Swift&Algorithm against 4.5 for Kotlin Recipes. That said, the two scores are not equally well evidenced: Leaflet for Swift&Algorithm has 297 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 71% of Leaflet for Swift&Algorithm's written reviews are positive against 100% of Kotlin Recipes's.

Leaflet for Swift&Algorithm ships an update every 8 days, Kotlin Recipes every 3 months. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Leaflet for Swift&Algorithm | Kotlin Recipes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (297 ratings)](https://appshunter.io/ios/app/leaflet-for-swift-and-algorithm/id1420814118/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/kotlin-recipes/id1459431509/reviews) |
| Number of ratings | **297** | 8 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 53 MB | 2 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [雷 戴](https://appshunter.io/developer/696880612) | [Fedor Obraztsov](https://appshunter.io/developer/1012115119) |

## What reviewers say

### Leaflet for Swift&Algorithm

[App page](https://appshunter.io/ios/app/leaflet-for-swift-and-algorithm/id1420814118)

This app offers comprehensive learning modules for Swift, SwiftUI, and Combine, alongside data structures and algorithms. It provides micro-classes, tutorials, code style guides, and practical examples to help users master programming concepts and develop efficient applications.

**Highlights:** Swift language tutorials, SwiftUI and Combine development, Data structure and algorithm learning, Micro-classes for core concepts, Code style guide, Algorithm problem-solving examples

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Pro Version | $0.99 | one-time |

**What reviewers like**

- 👍 Good explanations
- 👍 Easy to use
- 👍 Clean interface
- 👍 Helpful for learning
- 👍 Lovely app

**What reviewers complain about**

- 🐛 Solutions not loading
- 🐛 App crashes on launch
- 🐛 Frequent crashes
- 🐛 Not a true dark mode
- 🐛 Code formatting issues

**Reported bugs**

- Solutions for problems are not loading
- App crashes on first load
- App crashes immediately on launch
- App crashes after first use and backgrounding
- Paid for pro user, but no answers for many questions

**Requested features**

- Add more iOS technical upgrades
- Add filter options for algorithms (e.g., top 100, top 200)
- Allow users to write their own notes for algorithms
- Add JavaScript examples
- Allow users to suggest/edit explanations (wiki-like)


### Kotlin Recipes

[App page](https://appshunter.io/ios/app/kotlin-recipes/id1459431509)

Access a curated collection of ready-to-use code examples for Kotlin and SQL. Quickly find solutions to common programming tasks, prepare for exams and interviews, and learn with offline access to tested code snippets.

**Highlights:** Kotlin code recipes, SQL code recipes, Tested code examples, Quick search functionality, Offline access, Exam and interview preparation, Cross-platform iOS and macOS support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Оperations with example | $0.99 | one-time |
| Unlock the paid topics | $0.99 | one-time |
| Kotlin Samples | $0.99 | one-time |
| SQL queries | $0.99 | one-time |
| Full version | $2.99 | one-time |


## Frequently asked questions

### Is Leaflet for Swift&Algorithm free?

Leaflet for Swift&Algorithm is free to download, with in-app purchases available.

### Is Kotlin Recipes free?

Kotlin Recipes is free to download, with in-app purchases available.

### Which has better reviews, Leaflet for Swift&Algorithm or Kotlin Recipes?

Leaflet for Swift&Algorithm is rated higher. Leaflet for Swift&Algorithm averages 4.6 out of 5 from 297 ratings, while Kotlin Recipes averages 4.5 from 8 ratings.

### Do Leaflet for Swift&Algorithm or Kotlin Recipes have ads?

Neither Leaflet for Swift&Algorithm nor Kotlin Recipes shows ads.

### Which is updated more often, Leaflet for Swift&Algorithm or Kotlin Recipes?

Leaflet for Swift&Algorithm ships an update every 8 days, and Kotlin Recipes every 3 months. Most recently, Leaflet for Swift&Algorithm was updated on October 18, 2026 and Kotlin Recipes on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*