# QSM vs IssieSign

The clearest difference is iOS requirement: IssieSign at 12.0 against QSM's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | QSM | IssieSign |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/issiesign/id1423489221/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | Every 7 months |
| Monetization | — | Free |
| Size | 96 MB | 37 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobitti Ltd.](https://appshunter.io/developer/586949200) | [Beit Issie Shapiro](https://appshunter.io/developer/1189551653) |

## What reviewers say

### QSM

[App page](https://appshunter.io/ios/app/qsm/id586982246)

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

**In-app purchases:** none


### IssieSign

[App page](https://appshunter.io/ios/app/issiesign/id1423489221)

This app offers a customizable library for learning and teaching signs and gestures, aiding communication for individuals with complex needs. It features video demonstrations, symbol pairing, and categorization for easy navigation and sharing.

**Highlights:** Customizable video library, ARASAAC symbol integration, Video and category sharing, Google Drive backup, Over 800 sign videos, SymbolStix integration, Categorized vocabulary

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

**In-app purchases:** none


## Frequently asked questions

### Is QSM free?

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

### Is IssieSign free?

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

### Do QSM or IssieSign have ads?

Neither QSM nor IssieSign shows ads.

### Which is updated more often, QSM or IssieSign?

QSM ships an update every 7 months, and IssieSign every 7 months. Most recently, QSM was updated on October 4, 2026 and IssieSign on October 14, 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.*