# Leaflet for Swift&Algorithm vs Interview Genie

The clearest difference is review sentiment: Interview Genie at 100% against Leaflet for Swift&Algorithm's 71%. Interview Genie also leads on iOS requirement (18.0 vs 26.0). Leaflet for Swift&Algorithm's advantage is update cadence (every 8 days vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Leaflet for Swift&Algorithm sells 1 one-off in-app purchase and Interview Genie sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Leaflet for Swift&Algorithm ships an update every 8 days, Interview Genie monthly. Both last shipped on October 14, 2026.

## The numbers

| Metric | Leaflet for Swift&Algorithm | Interview Genie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (297 ratings)](https://appshunter.io/ios/app/leaflet-for-swift-and-algorithm/id1420814118/reviews)** | — |
| Number of ratings | **297** | — |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 53 MB | 14 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [雷 戴](https://appshunter.io/developer/696880612) | [Abhinav Jha](https://appshunter.io/developer/1814767276) |

## 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)


### Interview Genie

[App page](https://appshunter.io/ios/app/interview-genie/id6746021462)

Prepare for iOS developer interviews with AI-powered mock interviews, spaced repetition for retention, and customizable practice drills. Track progress with detailed analytics and widgets, and compete with others via Game Center.

**Highlights:** AI-powered mock interviews, Spaced repetition system, Customizable drills and practice, Comprehensive study guide, Home screen widgets, Detailed analytics, Game Center integration

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drill Top-Up | $1.99 | one-time |
| Coach Top-Up | $1.99 | one-time |
| Lite Pack | $3.99 | one-time |
| Unlock All Access | $5.99 | one-time |
| On-Device AI Pack | $7.99 | one-time |
| Unlock + AI Lite | $8.99 | one-time |
| Plus Pack | $8.99 | one-time |
| Unlock + On-Device AI | $12.99 | one-time |
| AI Max + Free Unlock | $14.99 | one-time |
| Max Pack | $14.99 | 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 Interview Genie free?

Interview Genie is free to download, with in-app purchases available.

### Do Leaflet for Swift&Algorithm or Interview Genie have ads?

Neither Leaflet for Swift&Algorithm nor Interview Genie shows ads.

### Which is updated more often, Leaflet for Swift&Algorithm or Interview Genie?

Leaflet for Swift&Algorithm ships an update every 8 days, and Interview Genie monthly. Most recently, Leaflet for Swift&Algorithm was updated on October 14, 2026 and Interview Genie on October 14, 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.*