# INFORMS vs IISE

The clearest difference is ads: INFORMS at none against IISE's shown. INFORMS also leads on iOS requirement (12.1 vs 16.4). On price, 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.

## The numbers

| Metric | INFORMS | IISE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | — |
| Size | 18 MB | 51 MB |
| Requires iOS | **12.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [PT. Pertamina (Persero)](https://appshunter.io/developer/541838859) | [Institute of Industrial and Systems Engineers Inc](https://appshunter.io/developer/1456159064) |

## What reviewers say

### INFORMS

[App page](https://appshunter.io/ios/app/informs/id1585927556)

**Features:** macOS Compatibility

**In-app purchases:** none


### IISE

[App page](https://appshunter.io/ios/app/iise/id6755614743)

**In-app purchases:** none


## Frequently asked questions

### Is INFORMS free?

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

### Is IISE free?

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

### Do INFORMS or IISE have ads?

IISE shows ads; INFORMS does not.

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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.*