# .NET Core vs StudyNinja

The clearest difference is in-app purchases: StudyNinja at none against .NET Core's 3. StudyNinja also leads on update cadence (every 2 weeks vs every 18 months). .NET Core's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. .NET Core sells 3 in-app purchases, starting at $19.99 per 7 days. StudyNinja asks for nothing beyond the download.

.NET Core ships an update every 18 months, StudyNinja every 2 weeks. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | .NET Core | StudyNinja |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 2 weeks** |
| Size | 21 MB | 50 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SG APPs](https://appshunter.io/developer/1507658418) | [Pankaj Jangid](https://appshunter.io/developer/1880994489) |

## What reviewers say

### .NET Core

[App page](https://appshunter.io/ios/app/net-core-interview-prep/id6742101259)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Access | $19.99 | per 7 days |
| 1 Month Access | $24.99 | per month |
| Lifetime Access | $9.99 | one-time |


### StudyNinja

[App page](https://appshunter.io/ios/app/studyninja/id6772452362)

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

**In-app purchases:** none


## Frequently asked questions

### Is .NET Core free?

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

### Is StudyNinja free?

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

### Do .NET Core or StudyNinja have ads?

StudyNinja shows ads; .NET Core does not.

### Which is updated more often, .NET Core or StudyNinja?

.NET Core ships an update every 18 months, and StudyNinja every 2 weeks. Most recently, .NET Core was updated on October 7, 2026 and StudyNinja on September 29, 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.*