# Aeries EM2 vs Criterion

The clearest difference is iOS requirement: Aeries EM2 at 15.0 against Criterion's 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.

## The numbers

| Metric | Aeries EM2 | Criterion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (47 ratings)](https://appshunter.io/ios/app/aeries-em2/id1188123025/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 30 MB | 11 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aeries Software, Inc](https://appshunter.io/developer/359530202) | [Anar Anand](https://appshunter.io/developer/1836796820) |

## What reviewers say

### Aeries EM2

[App page](https://appshunter.io/ios/app/aeries-em2/id1188123025)

This app provides authorized school district personnel with secure, offline access to essential student information. It allows for caching of contact, discipline, medical, class, and attendance data for use during emergencies when network access is unavailable.

**Highlights:** Offline student data caching, Access to contact information, View discipline records, Medical information access, Class and attendance details, Secure access for school staff

**Features:** Vision Pro support

**In-app purchases:** none


### Criterion

[App page](https://appshunter.io/ios/app/criterion/id6751784325)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aeries EM2 free?

Aeries EM2 is free to download, with no in-app purchases.

### Is Criterion free?

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

### Do Aeries EM2 or Criterion have ads?

Neither Aeries EM2 nor Criterion shows ads.

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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.*