# DevTutor vs Java Prep

The clearest difference is update cadence: DevTutor at every 2 weeks against Java Prep's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DevTutor sells 3 in-app purchases, starting at $1.99 per month and Java Prep sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

DevTutor ships an update every 2 weeks, Java Prep every 6 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | DevTutor | Java Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/devtutor-learn-swift-swiftul/id6471227008/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Freemium | — |
| Size | 155 MB | 17 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [楚江 王](https://appshunter.io/developer/1714265259) | [嘉 邱](https://appshunter.io/developer/1708883953) |

## What reviewers say

### DevTutor

[App page](https://appshunter.io/ios/app/devtutor-learn-swift-swiftul/id6471227008)

Learn to build apps with SwiftUI using replicable code samples and real-time UI previews. Access official Swift documentation offline in English and Chinese, and explore third-party packages.

**Highlights:** Replicable code samples, Real-time UI previews, Offline Swift documentation (EN/ZH), Third-party package exploration, SwiftUI learning resources

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access Monthly | $1.99 | per month |
| All Access Annually | $9.99 | per year |
| All Access Lifetime | $49.99 | one-time |


### Java Prep

[App page](https://appshunter.io/ios/app/java-prep/id6748876631)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $0.99 | per month |
| Quarterly Membership | $2.99 | per 3 months |
| Semi-Annual Membership | $5.99 | per 6 months |


## Frequently asked questions

### Is DevTutor free?

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

### Is Java Prep free?

Java Prep is free to download, with in-app purchases available.

### Do DevTutor or Java Prep have ads?

Neither DevTutor nor Java Prep shows ads.

### Which is updated more often, DevTutor or Java Prep?

DevTutor ships an update every 2 weeks, and Java Prep every 6 weeks. Most recently, DevTutor was updated on November 3, 2026 and Java Prep on October 30, 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.*