# iSOLID vs John Academy

The clearest difference is in-app purchases: iSOLID at none against John Academy's 2. iSOLID also leads on ads (none vs shown). John Academy's advantage is iOS requirement (12.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. John Academy sells 2 in-app purchases, starting at $34.99 per 6 months. iSOLID asks for nothing beyond the download.

## The numbers

| Metric | iSOLID | John Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isolid-learn-programming/id6752113008/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | — |
| Monetization | Free | — |
| Size | 33 MB | 76 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nikolai Borisov](https://appshunter.io/developer/1838085350) | [John Academy](https://appshunter.io/developer/1843609588) |

## What reviewers say

### iSOLID

[App page](https://appshunter.io/ios/app/isolid-learn-programming/id6752113008)

Master programming fundamentals, Swift, and iOS development with clear explanations, code examples, and interactive quizzes. Track your progress and prepare for interviews with this comprehensive learning tool.

**Highlights:** Swift & iOS development, SOLID principles explained, Programming concepts, Interactive quizzes, Progress tracking, Interview preparation

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

**In-app purchases:** none


### John Academy

[App page](https://appshunter.io/ios/app/john-academy-online-courses/id6753343698)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6 Months Plan | $34.99 | per 6 months |
| Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is iSOLID free?

iSOLID is free to download, with no in-app purchases.

### Is John Academy free?

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

### Do iSOLID or John Academy have ads?

John Academy shows ads; iSOLID does not.

---

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