# NBTC e vs SSCI E

The clearest difference is update cadence: SSCI E at every 9 days against NBTC e's every 4 months. SSCI E also leads on iOS requirement (7.0 vs 12.1). NBTC e'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.

NBTC e ships an update every 4 months, SSCI E every 9 days. The most recent releases landed on October 24, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | NBTC e | SSCI E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Size | 21 MB | 8 MB |
| Requires iOS | 12.1 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 9+ | 4+ |
| Developer | [Office of The National Broadcasting and Telecommunications Commission](https://appshunter.io/developer/721507053) | [The Institute for the Promotion of Teaching Science and Technology (IPST)](https://appshunter.io/developer/643591471) |

## What reviewers say

### NBTC e

[App page](https://appshunter.io/ios/app/nbtc-e-library/id955374020)

**Features:** macOS Compatibility

**In-app purchases:** none


### SSCI E

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NBTC e free?

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

### Is SSCI E free?

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

### Do NBTC e or SSCI E have ads?

Neither NBTC e nor SSCI E shows ads.

### Which is updated more often, NBTC e or SSCI E?

NBTC e ships an update every 4 months, and SSCI E every 9 days. Most recently, NBTC e was updated on October 24, 2026 and SSCI E on November 1, 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.*