# Leaflet for Swift&Algorithm vs My Device Identifiers

The clearest difference is rating: Leaflet for Swift&Algorithm at 4.6 against My Device Identifiers's 4.0. Leaflet for Swift&Algorithm also leads on ads (none vs shown) and update cadence (every 6 days vs monthly). My Device Identifiers's advantage is in-app purchases (none vs 1) and review sentiment (85% vs 71%). On price and device support there is nothing between them.

Both are free to download. Leaflet for Swift&Algorithm sells 1 one-off in-app purchase. My Device Identifiers asks for nothing beyond the download.

Leaflet for Swift&Algorithm holds the better App Store score, 4.6 against 4.0. 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 complicate that: 71% of Leaflet for Swift&Algorithm's written reviews are positive against 85% of My Device Identifiers's, so the app with the better star average is not the one people write more warmly about.

Leaflet for Swift&Algorithm ships an update every 6 days, My Device Identifiers monthly. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Leaflet for Swift&Algorithm | My Device Identifiers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (297 ratings)](https://appshunter.io/ios/app/leaflet-for-swift-and-algorithm/id1420814118/reviews)** | [4.0 (8 ratings)](https://appshunter.io/ios/app/my-device-identifiers/id1544172686/reviews) |
| Number of ratings | **297** | 8 |
| Positive reviews | 71.4% of reviews | **84.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 54 MB | 22 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [雷 戴](https://appshunter.io/developer/696880612) | [Kochava](https://appshunter.io/developer/1064196627) |

## 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)


### My Device Identifiers

[App page](https://appshunter.io/ios/app/my-device-identifiers/id1544172686)

This app allows users to view and copy device identifiers like IDFA and IDFV. It leverages ATT (AppTrackingTransparency) for this functionality. Useful for developers and those interested in app tracking.

**Highlights:** View IDFA, View IDFV, Copy device identifiers, Utilizes AppTrackingTransparency (ATT), Developer tool

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

**In-app purchases:** none


## Frequently asked questions

### Is Leaflet for Swift&Algorithm free?

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

### Is My Device Identifiers free?

My Device Identifiers is free to download, with no in-app purchases.

### Which has better reviews, Leaflet for Swift&Algorithm or My Device Identifiers?

Leaflet for Swift&Algorithm is rated higher. Leaflet for Swift&Algorithm averages 4.6 out of 5 from 297 ratings, while My Device Identifiers averages 4.0 from 8 ratings.

### Do Leaflet for Swift&Algorithm or My Device Identifiers have ads?

My Device Identifiers shows ads; Leaflet for Swift&Algorithm does not.

### Which is updated more often, Leaflet for Swift&Algorithm or My Device Identifiers?

Leaflet for Swift&Algorithm ships an update every 6 days, and My Device Identifiers monthly. Most recently, Leaflet for Swift&Algorithm was updated on September 21, 2026 and My Device Identifiers on September 22, 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.*