# IPST E vs NLT Library

The clearest difference is update cadence: NLT Library at every 3 months against IPST E's every 7 months. NLT Library also leads on device support (3 vs 1). IPST E's advantage is iOS requirement (8.0 vs 13.0). 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.

IPST E ships an update every 7 months, NLT Library every 3 months. The most recent releases landed on October 7, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | IPST E | NLT Library |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 6.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 13 MB | 43 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Institute for the Promotion of Teaching Science and Technology (IPST)](https://appshunter.io/developer/643591471) | [Fine Arts Department](https://appshunter.io/developer/1448462684) |

## What reviewers say

### IPST E

[App page](https://appshunter.io/ios/app/ipst-e-book/id772521304)

**In-app purchases:** none


### NLT Library

[App page](https://appshunter.io/ios/app/nlt-library/id1324901557)

Access a digital library of books easily and conveniently from your device. This application offers various features to make reading more enjoyable and entertaining, serving as a helpful tool for students and users of the system.

**Highlights:** Digital library access, Easy book access, Read anytime, anywhere, Engaging reading features, Convenient for students

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IPST E free?

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

### Is NLT Library free?

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

### Do IPST E or NLT Library have ads?

Neither IPST E nor NLT Library shows ads.

### Which is updated more often, IPST E or NLT Library?

IPST E ships an update every 7 months, and NLT Library every 3 months. Most recently, IPST E was updated on October 7, 2026 and NLT Library on September 16, 2026.

---

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