# NDU vs S.E.S.O.B.E.L

The clearest difference is update cadence: S.E.S.O.B.E.L at every 3 weeks against NDU's every 2 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.

NDU ships an update every 2 months, S.E.S.O.B.E.L every 3 weeks. The most recent releases landed on October 20, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | NDU | S.E.S.O.B.E.L |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/ndu/id873015689/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 52 MB | 39 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Notre Dame University, Lebanon](https://appshunter.io/developer/873015692) | [DataRays](https://appshunter.io/developer/1175740339) |

## What reviewers say

### NDU

[App page](https://appshunter.io/ios/app/ndu/id873015689)

Access university news, events, and contact information for faculty and staff. Manage your academic life by checking grades, payments, course catalogs, and library resources. Stay updated with multimedia content from the university's YouTube and Flickr channels.

**Highlights:** University news and events, Faculty and staff directory, Check grades and payments, Course catalog and schedule, Library book search, Multimedia content access

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### S.E.S.O.B.E.L

[App page](https://appshunter.io/ios/app/sesobel/id6775820309)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NDU free?

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

### Is S.E.S.O.B.E.L free?

S.E.S.O.B.E.L is free to download, with no in-app purchases.

### Do NDU or S.E.S.O.B.E.L have ads?

Neither NDU nor S.E.S.O.B.E.L shows ads.

### Which is updated more often, NDU or S.E.S.O.B.E.L?

NDU ships an update every 2 months, and S.E.S.O.B.E.L every 3 weeks. Most recently, NDU was updated on October 20, 2026 and S.E.S.O.B.E.L on September 29, 2026.

---

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