# ASL Dictionary vs iSign Language

The clearest difference is update cadence: ASL Dictionary at every 5 months against iSign Language's every 38 months. ASL Dictionary also leads on iOS requirement (12.0 vs 15.6). iSign Language's advantage is price ($0.99 vs $4.99). On ads, in-app purchases and device support there is nothing between them.

ASL Dictionary costs $4.99 and iSign Language $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ASL Dictionary ships an update every 5 months, iSign Language every 38 months. The most recent releases landed on September 29, 2026 and August 11, 2026 respectively.

## The numbers

| Metric | ASL Dictionary | iSign Language |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/asl-dictionary/id353574642/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 82.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 38 months |
| Monetization | Paid | — |
| Size | 154 MB | 1 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Software Studios LLC](https://appshunter.io/developer/425694308) | [Yuichi HARA](https://appshunter.io/developer/538530212) |

## What reviewers say

### ASL Dictionary

[App page](https://appshunter.io/ios/app/asl-dictionary/id353574642)

This app provides a comprehensive video dictionary for American Sign Language, featuring over 5,200 signed words, phrases, and idioms. It allows users to translate English into ASL, covering the alphabet, numbers, and common expressions. The educational tool is designed for learning sign language through visual instruction.

**Highlights:** Over 5,200 signed words, English to ASL translation, Alphabet and numerical system, Common English phrases and idioms, Finger spelled alphabet, Offline access to all videos, Dark Mode

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for learning ASL
- 🚀 Easy to use and navigate
- 💡 Useful for communicating with deaf/hard of hearing individuals
- 🔍 Extensive word/sign database
- ⏱️ Slow motion and loop features helpful for learning

**What reviewers complain about**

- 🔍 Some signs are outdated or incorrect
- 🔍 Limited selection of common phrases and basic conversational signs
- 🔍 Video quality and clarity could be improved
- 🔍 Lack of explanations/instructions on how to properly perform signs
- 🐛 App crashes or stops working after updates

**Reported bugs**

- Some videos stop playing or don't load properly
- Loop feature not working consistently
- Compatibility issues with newer iOS versions

**Requested features**

- Add more common phrases and conversational signs
- Provide written explanations and instructions for signs
- Improve video quality and clarity
- Add bookmarking/favorites feature to save frequently used signs
- Implement a search function to quickly find specific signs


### iSign Language

[App page](https://appshunter.io/ios/app/isign-language/id839262715)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ASL Dictionary free?

ASL Dictionary costs $4.99, with no in-app purchases.

### Is iSign Language free?

iSign Language costs $0.99, with no in-app purchases.

### Do ASL Dictionary or iSign Language have ads?

Neither ASL Dictionary nor iSign Language shows ads.

### Which is updated more often, ASL Dictionary or iSign Language?

ASL Dictionary ships an update every 5 months, and iSign Language every 38 months. Most recently, ASL Dictionary was updated on September 29, 2026 and iSign Language on August 11, 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.*