# Signo Application vs Black White Chat

The clearest difference is in-app purchases: Signo Application at none against Black White Chat's 2. Black White Chat's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Black White Chat sells 2 one-off in-app purchases. Signo Application asks for nothing beyond the download.

Signo Application ships an update every 2 months, Black White Chat every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Signo Application | Black White Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signo-application/id1642515920/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 135 MB | 76 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [META SIGN COMPANY FOR SPECIAL NEEDS SERVICES](https://appshunter.io/developer/1682033482) | [IT'S A WRAP AB](https://appshunter.io/developer/1479389628) |

## What reviewers say

### Signo Application

[App page](https://appshunter.io/ios/app/signo-application/id1642515920)

This application offers instant sign language interpretation, bridging communication gaps for individuals with hearing disabilities. It aims to foster better communication among all members of society.

**Highlights:** Instant sign language interpretation, Communication bridge for hearing disabilities, Promotes societal communication, Accessible on iOS devices

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

**In-app purchases:** none


### Black White Chat

[App page](https://appshunter.io/ios/app/black-white-chat/id6473248225)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Membership | $2.99 | one-time |
| One year subscription | $19.99 | one-time |


## Frequently asked questions

### Is Signo Application free?

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

### Is Black White Chat free?

Black White Chat is free to download, with in-app purchases available.

### Do Signo Application or Black White Chat have ads?

Neither Signo Application nor Black White Chat shows ads.

### Which is updated more often, Signo Application or Black White Chat?

Signo Application ships an update every 2 months, and Black White Chat every 3 weeks. Most recently, Signo Application was updated on October 27, 2026 and Black White Chat on October 25, 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.*