# Arduino Bluetooth Pro vs Leaflet for Swift&Algorithm

The clearest difference is price: Leaflet for Swift&Algorithm at Free against Arduino Bluetooth Pro's $7.99. Leaflet for Swift&Algorithm also leads on update cadence (every 6 days vs every 4 months) and review sentiment (71% vs 50%). Arduino Bluetooth Pro's advantage is in-app purchases (none vs 1) and chart position (#132 vs unranked). On rating, ads and device support there is nothing between them.

Leaflet for Swift&Algorithm is free to download; Arduino Bluetooth Pro costs $7.99 up front. Leaflet for Swift&Algorithm sells 1 one-off in-app purchase. Arduino Bluetooth Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Arduino Bluetooth Pro against 4.6 for Leaflet for Swift&Algorithm. That said, the two scores are not equally well evidenced: Leaflet for Swift&Algorithm has 297 ratings behind it against 20, so its average is the more settled of the two. Written reviews are what separate them: 50% of Arduino Bluetooth Pro's written reviews are positive against 71% of Leaflet for Swift&Algorithm's.

Arduino Bluetooth Pro ships an update every 4 months, Leaflet for Swift&Algorithm every 6 days. The most recent releases landed on September 16, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Arduino Bluetooth Pro | Leaflet for Swift&Algorithm |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [4.6 (20 ratings)](https://appshunter.io/ios/app/arduino-bluetooth-pro/id1111181830/reviews) | [4.6 (297 ratings)](https://appshunter.io/ios/app/leaflet-for-swift-and-algorithm/id1420814118/reviews) |
| Number of ratings | 20 | **297** |
| Positive reviews | 50.0% of reviews | **71.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#132** | — |
| Size | 105 MB | 54 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bad Assassin Games](https://appshunter.io/developer/556279629) | [雷 戴](https://appshunter.io/developer/696880612) |

## What reviewers say

### Arduino Bluetooth Pro

[App page](https://appshunter.io/ios/app/arduino-bluetooth-pro/id1111181830)

**Currently charting:** #132 Top Paid · Developer Tools (US App Store)

Control Arduino projects via Bluetooth with a customizable interface. Send and receive data, use voice commands for keywords, and monitor serial communication. Ideal for IoT projects, robotics, and smart devices.

**Highlights:** Customizable Bluetooth control, Send/Receive data, Voice command support, Serial monitor, Automatic device search, D-pad control

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

**In-app purchases:** none


### 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)


## Frequently asked questions

### Is Arduino Bluetooth Pro free?

Arduino Bluetooth Pro costs $7.99, with no in-app purchases.

### Is Leaflet for Swift&Algorithm free?

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

### Which has better reviews, Arduino Bluetooth Pro or Leaflet for Swift&Algorithm?

Arduino Bluetooth Pro and Leaflet for Swift&Algorithm are both rated 4.6 out of 5 on the App Store, from 20 and 297 ratings respectively.

### Do Arduino Bluetooth Pro or Leaflet for Swift&Algorithm have ads?

Neither Arduino Bluetooth Pro nor Leaflet for Swift&Algorithm shows ads.

### Which is updated more often, Arduino Bluetooth Pro or Leaflet for Swift&Algorithm?

Arduino Bluetooth Pro ships an update every 4 months, and Leaflet for Swift&Algorithm every 6 days. Most recently, Arduino Bluetooth Pro was updated on September 16, 2026 and Leaflet for Swift&Algorithm on September 21, 2026.

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