# Green Java Interview vs Learn Kotlin

The clearest difference is in-app purchases: Green Java Interview at none against Learn Kotlin's 4. Green Java Interview also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Learn Kotlin sells 4 in-app purchases, starting at $4.99 per 7 days. Green Java Interview asks for nothing beyond the download.

## The numbers

| Metric | Green Java Interview | Learn Kotlin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/green-java-interview/id1200508631/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Monetization | Free | — |
| Size | 22 MB | 66 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Olecsii Chechel](https://appshunter.io/developer/1032751411) | [MEHMET CANKER (TR)](https://appshunter.io/developer/1565350155) |

## What reviewers say

### Green Java Interview

[App page](https://appshunter.io/ios/app/green-java-interview/id1200508631)

Prepare for full-stack mobile or Java developer interviews with real-world questions and expert answers. This app offers a convenient study guide and a handy reference for online interviews, leveraging the experience of other developers.

**Highlights:** Real interview questions, Prepared answers, Full-stack mobile developer focus, Java developer focus, Online interview reference, User-submitted questions

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn Kotlin

[App page](https://appshunter.io/ios/app/learn-kotlin-android-app-dev/id6739499371)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $6.99 | per month |
| Yearly Subscription | $24.99 | per year |
| Lifetime Subscription | $59.99 | one-time |


## Frequently asked questions

### Is Green Java Interview free?

Green Java Interview is free to download, with no in-app purchases.

### Is Learn Kotlin free?

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

### Do Green Java Interview or Learn Kotlin have ads?

Learn Kotlin shows ads; Green Java Interview does not.

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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.*