# ASL - LSF

> ASL and LSF sign language dictionary with video demonstrations. (iPhone/iPad app by University of Rochester.)

- Source: https://appshunter.io/ios/app/asl-lsf/id1325129354 (this page in markdown: same URL + `.md`)
- Developer: [University of Rochester](https://appshunter.io/developer/372246694)
- Category: Education, Reference
- Price: Free
- Rating: 4.30/5 from 6 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 6 MB
- Languages: American English
- Released: 2017-12-19
- Data updated: 2026-06-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/asl-lsf/id1325129354/reviews.md

## What is ASL?

Thank you for choosing the LSF-ASL dictionary app developed at the University of Rochester, NY USA.

· Choose your search language by clicking on one of the flags.

· Click on a letter to see a listing of entries alphabetically.

· Use the search box to search for a specific term.

You will see videos of both the LSF and ASL sign for the entry you choose. 
New for Version 1.1:

Sentence Display - Tap the "sentence" icon to toggle between supported definitions and their usage in an example sentence.

Offline Mode - Definitions can now be downloaded and stored locally for online use by tapping the "download" icon.

## Key features

- ASL and LSF sign videos
- Alphabetical and term search
- Example sentences
- Offline mode
- Multiple search languages

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/asl-lsf/id1325129354/reviews.md

### 5/5 — EXCELLENT!!!!

*2020-01-16*

As an educational interpreter, this app has helped our team immensely! I WANT to pay for this app.

### 5/5 — Excellent app for learning ASL and LSF!

*2019-05-20*

App works well and is easy to use. Lots of good information about ASL & LSF, including signs and sentence examples.

## Frequently asked questions about ASL

### What is the learning methodology of ASL - LSF?

ASL - LSF utilizes a visual learning approach, presenting video demonstrations of signs for both ASL and LSF. Users can also review definitions and see signs used in example sentences to understand context.

### How does ASL - LSF track user progress?

ASL - LSF does not explicitly mention progress tracking features. Its primary function is as a reference dictionary for sign language terms and their visual representation.

### Does ASL - LSF offer certifications?

The app does not provide certifications. It serves as a tool for learning and referencing sign language, not for formal accreditation.

### What devices support ASL - LSF?

ASL - LSF is available for iPhone and iPod devices. It is designed for iOS operating systems.

### What is the age rating for ASL - LSF?

ASL - LSF has an age rating of 4+. This indicates it is suitable for children and general audiences.

### How often is ASL - LSF updated?

The latest version, 1.1, was released on May 13, 2020. The app was initially released on December 19, 2017.

### Does ASL - LSF have ads?

No, ASL - LSF does not contain advertisements. It is a completely ad-free application.

### What do users like about ASL - LSF?

Users appreciate the availability of both ASL and LSF signs, the ability to search alphabetically and by term, and the inclusion of example sentences. The offline mode is also a valued feature for accessibility.

## Version history (last 2 releases)

### 1.1 — 2020-05-13

Updates for Version 1.1:

Offline Mode
Sentence Display
Improved Performance

### 1.0 — 2017-12-19

No release notes.

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All apps by University of Rochester: https://appshunter.io/developer/372246694

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*