# IMS Unison University vs ISB

The clearest difference is update cadence: ISB at every 2 weeks against IMS Unison University's every 14 months. ISB also leads on iOS requirement (15.1 vs 26.0). 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.

IMS Unison University ships an update every 14 months, ISB every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | IMS Unison University | ISB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Size | 38 MB | 53 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [IMS Unison University](https://appshunter.io/developer/1532004206) | [Indian School of Business](https://appshunter.io/developer/884930546) |

## What reviewers say

### IMS Unison University

[App page](https://appshunter.io/ios/app/ims-unison-university/id1532004207)

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

**In-app purchases:** none


### ISB

[App page](https://appshunter.io/ios/app/isb-learning-app/id6760743087)

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

**In-app purchases:** none


## Frequently asked questions

### Is IMS Unison University free?

IMS Unison University is free to download, with no in-app purchases.

### Is ISB free?

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

### Do IMS Unison University or ISB have ads?

Neither IMS Unison University nor ISB shows ads.

### Which is updated more often, IMS Unison University or ISB?

IMS Unison University ships an update every 14 months, and ISB every 2 weeks. Most recently, IMS Unison University was updated on November 3, 2026 and ISB on November 5, 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.*