# DEF ISL vs University Outreach Program

The clearest difference is update cadence: University Outreach Program at every 3 months against DEF ISL's every 12 months. 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.

DEF ISL ships an update every 12 months, University Outreach Program every 3 months. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | DEF ISL | University Outreach Program |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/def-isl/id6447841373/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 63 MB | 34 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SRIJAY SOFTWARE SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1656364843) | [Stigasoft](https://appshunter.io/developer/396833669) |

## What reviewers say

### DEF ISL

[App page](https://appshunter.io/ios/app/def-isl/id6447841373)

Learn sign language with over 50,000 signs and phrases presented through videos and illustrations. This app is designed for both adults and children, including those who are deaf or hearing impaired, to improve communication and societal connection.

**Highlights:** Extensive sign language library, Over 50,000 signs and phrases, In-built videos, Illustrations, Easy navigation, Accessible for all ages

**Features:** macOS Compatibility

**In-app purchases:** none


### University Outreach Program

[App page](https://appshunter.io/ios/app/university-outreach-program/id6744325301)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DEF ISL free?

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

### Is University Outreach Program free?

University Outreach Program is free to download, with no in-app purchases.

### Do DEF ISL or University Outreach Program have ads?

Neither DEF ISL nor University Outreach Program shows ads.

### Which is updated more often, DEF ISL or University Outreach Program?

DEF ISL ships an update every 12 months, and University Outreach Program every 3 months. Most recently, DEF ISL was updated on October 16, 2026 and University Outreach Program on October 2, 2026.

---

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