# ASL Dictionary vs iSigner

The clearest difference is review sentiment: ASL Dictionary at 82% against iSigner's 0%. ASL Dictionary also leads on rating (4.7 vs 1.0) and in-app purchases (none vs 1). iSigner's advantage is price (Free vs $4.99) and iOS requirement (10.0 vs 12.0). On update cadence, ads and device support there is nothing between them.

iSigner is free to download; ASL Dictionary costs $4.99 up front. iSigner sells 1 one-off in-app purchase. ASL Dictionary asks for nothing beyond the download.

ASL Dictionary holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: ASL Dictionary has 1.3K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 82% of ASL Dictionary's written reviews are positive against 0% of iSigner's.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | ASL Dictionary | iSigner |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/asl-dictionary/id353574642/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/isigner/id1438330350/reviews) |
| Number of ratings | **1.3K** | 2 |
| Positive reviews | **82.1% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#95** | — |
| Size | 154 MB | 27 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Software Studios LLC](https://appshunter.io/developer/425694308) | [焕 盛](https://appshunter.io/developer/1438330349) |

## What reviewers say

### ASL Dictionary

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

**Currently charting:** #95 Top Paid · Education (US App Store)

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


### iSigner

[App page](https://appshunter.io/ios/app/isigner/id1438330350)

This app provides the world's first and only comprehensive Shanghai sign language dictionary. It features a vocabulary of 4000 signs derived from extensive video content, influencing sign languages across China and other Asian regions.

**Highlights:** Shanghai sign language dictionary, 4000 video signs, Influential sign language variant, Comprehensive vocabulary

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 上海手语常用词库 | $12.99 | one-time |


## Frequently asked questions

### Is ASL Dictionary free?

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

### Is iSigner free?

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

### Which has better reviews, ASL Dictionary or iSigner?

ASL Dictionary is rated higher. ASL Dictionary averages 4.7 out of 5 from 1.3K ratings, while iSigner averages 1.0 from 2 ratings.

### Do ASL Dictionary or iSigner have ads?

Neither ASL Dictionary nor iSigner shows ads.

### Which is updated more often, ASL Dictionary or iSigner?

ASL Dictionary ships an update every 5 months, and iSigner every 5 months. Most recently, ASL Dictionary was updated on September 25, 2026 and iSigner on June 1, 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.*