# Sociometry vs eXeReader

The clearest difference is update cadence: Sociometry at monthly against eXeReader's every 38 months. Sociometry also leads on iOS requirement (9.0 vs 13.0). 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.

Sociometry ships an update monthly, eXeReader every 38 months. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Sociometry | eXeReader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 38 months |
| Size | 14 MB | 29 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BMSLAB Utwente](https://appshunter.io/developer/1229896852) | [Instituto Nacional de Tecnologias Educativas y Formacion del Profesorado](https://appshunter.io/developer/1081307564) |

## What reviewers say

### Sociometry

[App page](https://appshunter.io/ios/app/sociometry/id1448345645)

**Features:** macOS Compatibility

**In-app purchases:** none


### eXeReader

[App page](https://appshunter.io/ios/app/exereader/id6444196265)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sociometry free?

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

### Is eXeReader free?

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

### Do Sociometry or eXeReader have ads?

Neither Sociometry nor eXeReader shows ads.

### Which is updated more often, Sociometry or eXeReader?

Sociometry ships an update monthly, and eXeReader every 38 months. Most recently, Sociometry was updated on October 6, 2026 and eXeReader on October 3, 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.*