# Concise ISL vs International Sign Language

The clearest difference is price: International Sign Language at Free against Concise ISL's $1.99. Concise ISL's advantage is in-app purchases (none vs 4) and iOS requirement (9.0 vs 13.4). On update cadence, ads and device support there is nothing between them.

International Sign Language is free to download; Concise ISL costs $1.99 up front. International Sign Language sells 4 in-app purchases, starting at $5.99 per 3 months. Concise ISL asks for nothing beyond the download.

Concise ISL ships an update every 25 months, International Sign Language every 20 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Concise ISL | International Sign Language |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/international-sign-language/id1586469292/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 20 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 25 MB | 199 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Doherty](https://appshunter.io/developer/1046591870) | [Recep Kocur](https://appshunter.io/developer/1318651542) |

## What reviewers say

### Concise ISL

[App page](https://appshunter.io/ios/app/concise-isl/id1046591871)

Learn Irish Sign Language with a comprehensive video dictionary featuring around 1000 signs. Explore signs by category, search efficiently, and access offline content. Ideal for learners of all ages.

**Highlights:** 1000+ ISL signs in video format, High-quality image support for signs, Categorized sign organization, Efficient search functionality, Offline use after initial download, Child-appropriate content, Information on ISL history and grammar

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

**In-app purchases:** none


### International Sign Language

[App page](https://appshunter.io/ios/app/international-sign-language/id1586469292)

Learn International Sign Language to communicate with the deaf community globally. This app helps bridge communication gaps, fostering confidence and social inclusion for individuals with hearing impairments. It's designed for anyone wanting to learn this visual language.

**Highlights:** Global communication with hearing impaired, Learn visual language, Improve social inclusion, Develop self-confidence, Bridge communication barriers, Suitable for all ages

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 months | $5.99 | per 3 months |
| 6 months | $9.99 | per 6 months |
| 12 months | $9.99 | per year |
| International Sign Language | $10.99 | one-time |


## Frequently asked questions

### Is Concise ISL free?

Concise ISL costs $1.99, with no in-app purchases.

### Is International Sign Language free?

International Sign Language is free to download, with in-app purchases available.

### Do Concise ISL or International Sign Language have ads?

Neither Concise ISL nor International Sign Language shows ads.

### Which is updated more often, Concise ISL or International Sign Language?

Concise ISL ships an update every 25 months, and International Sign Language every 20 months. Most recently, Concise ISL was updated on November 2, 2026 and International Sign Language on November 3, 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.*