# MindCastle vs DigitalTwin ai

The clearest difference is in-app purchases: DigitalTwin ai at none against MindCastle's 4. DigitalTwin ai also leads on iOS requirement (17.0 vs 26.0). MindCastle's advantage is device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. MindCastle sells 4 in-app purchases, starting at $1.29 per month. DigitalTwin ai asks for nothing beyond the download.

## The numbers

| Metric | MindCastle | DigitalTwin ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 4 MB | 2 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Code Maxima](https://appshunter.io/developer/1737735058) | [NICHOLAS ERWIN HEITKAMP](https://appshunter.io/developer/1867627286) |

## What reviewers say

### MindCastle

[App page](https://appshunter.io/ios/app/mindcastle/id6758439688)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.29 | per month |
| Annual Subscription | $10.99 | per year |
| Reset Password | $0.99 | one-time |
| Save Password | $0.99 | one-time |


### DigitalTwin ai

[App page](https://appshunter.io/ios/app/digitaltwin-ai/id6771415951)

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

**In-app purchases:** none


## Frequently asked questions

### Is MindCastle free?

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

### Is DigitalTwin ai free?

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

### Do MindCastle or DigitalTwin ai have ads?

Neither MindCastle nor DigitalTwin ai shows ads.

---

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