# Catholic DSI vs MSC Guide

The clearest difference is update cadence: MSC Guide at every 3 weeks against Catholic DSI's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Catholic DSI ships an update every 8 months, MSC Guide every 3 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Catholic DSI | MSC Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Size | 11 MB | 25 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [eClass Limited](https://appshunter.io/developer/1683448274) | [Region Computer](https://appshunter.io/developer/1457872162) |

## What reviewers say

### Catholic DSI

[App page](https://appshunter.io/ios/app/catholic-dsi/id1432383432)

**Features:** macOS Compatibility

**In-app purchases:** none


### MSC Guide

[App page](https://appshunter.io/ios/app/msc-guide/id6450447220)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Catholic DSI free?

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

### Is MSC Guide free?

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

### Do Catholic DSI or MSC Guide have ads?

Neither Catholic DSI nor MSC Guide shows ads.

### Which is updated more often, Catholic DSI or MSC Guide?

Catholic DSI ships an update every 8 months, and MSC Guide every 3 weeks. Most recently, Catholic DSI was updated on October 16, 2026 and MSC Guide on October 7, 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.*