# Lectary vs EiS

The clearest difference is in-app purchases: Lectary at none against EiS's 2. Lectary also leads on iOS requirement (11.0 vs 13.0). EiS's advantage is update cadence (every 4 months vs every 18 months). On price, ads and device support there is nothing between them.

Both are free to download. EiS sells 2 in-app purchases, starting at $4.49 per month. Lectary asks for nothing beyond the download.

Lectary ships an update every 18 months, EiS every 4 months. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Lectary | EiS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 81 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Technische Universität Wien](https://appshunter.io/developer/1205391533) | [Wörterfabrik für unterstützte Kommunikation](https://appshunter.io/developer/1481083655) |

## What reviewers say

### Lectary

[App page](https://appshunter.io/ios/app/lectary/id1317805236)

**Features:** macOS Compatibility

**In-app purchases:** none


### EiS

[App page](https://appshunter.io/ios/app/eis-app/id1481083656)

This app teaches sign language for Augmentative and Alternative Communication (AAC) to children. It uses symbols, words, audio, and videos of children demonstrating signs, promoting inclusive learning and participation.

**Highlights:** Learn sign language for AAC, Includes METACOM symbols, words, audio, and videos, Demonstrations by children with and without disabilities, Inclusive and accessible design, Focus on core vocabulary, Continuous development based on user feedback

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EiS-App monthly subscription | $4.49 | per month |
| EiS-App yearly subscription | $44.99 | per year |


## Frequently asked questions

### Is Lectary free?

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

### Is EiS free?

EiS is free to download, with in-app purchases available.

### Do Lectary or EiS have ads?

Neither Lectary nor EiS shows ads.

### Which is updated more often, Lectary or EiS?

Lectary ships an update every 18 months, and EiS every 4 months. Most recently, Lectary was updated on September 17, 2026 and EiS on September 11, 2026.

---

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