# SSCI E vs MOC Library

The clearest difference is update cadence: SSCI E at every 9 days against MOC Library's every 4 months. SSCI E also leads on iOS requirement (7.0 vs 12.1). MOC Library's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

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

SSCI E ships an update every 9 days, MOC Library every 4 months. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SSCI E | MOC Library |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Size | 8 MB | 13 MB |
| Requires iOS | **7.0** | 12.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [The Institute for the Promotion of Teaching Science and Technology (IPST)](https://appshunter.io/developer/643591471) | [Ministry of Commerce](https://appshunter.io/developer/1045838122) |

## What reviewers say

### SSCI E

[App page](https://appshunter.io/ios/app/ssci-e-book/id1023332919)

**Features:** macOS Compatibility

**In-app purchases:** none


### MOC Library

[App page](https://appshunter.io/ios/app/moc-library/id1470377629)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SSCI E free?

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

### Is MOC Library free?

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

### Do SSCI E or MOC Library have ads?

Neither SSCI E nor MOC Library shows ads.

### Which is updated more often, SSCI E or MOC Library?

SSCI E ships an update every 9 days, and MOC Library every 4 months. Most recently, SSCI E was updated on October 18, 2026 and MOC Library on October 3, 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.*