# MCSD PD vs OSSC!

The clearest difference is update cadence: MCSD PD at monthly against OSSC!'s every 7 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.

MCSD PD ships an update monthly, OSSC! every 7 months. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MCSD PD | OSSC! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Size | 22 MB | 25 MB |
| Requires iOS | 16.1 | 16.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [MUSCOGEE COUNTY SCHOOL DISTRICT](https://appshunter.io/developer/1578567228) | [Oregon Solar Energy Industries Association](https://appshunter.io/developer/1648949973) |

## What reviewers say

### MCSD PD

[App page](https://appshunter.io/ios/app/mcsd-pd/id6499055377)

**Features:** macOS Compatibility

**In-app purchases:** none


### OSSC!

[App page](https://appshunter.io/ios/app/ossc/id6695726119)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MCSD PD free?

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

### Is OSSC! free?

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

### Do MCSD PD or OSSC! have ads?

Neither MCSD PD nor OSSC! shows ads.

### Which is updated more often, MCSD PD or OSSC!?

MCSD PD ships an update monthly, and OSSC! every 7 months. Most recently, MCSD PD was updated on October 16, 2026 and OSSC! 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.*