# Signo Application vs Sensor 3.0

The clearest difference is iOS requirement: Sensor 3.0 at 12.0 against Signo Application's 15.6. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Signo Application against 5.0 for Sensor 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 29, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Signo Application | Sensor 3.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/signo-application/id1642515920/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sensor-30/id1659400673/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 146 MB | 166 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [META SIGN COMPANY FOR SPECIAL NEEDS SERVICES](https://appshunter.io/developer/1682033482) | [Diversitas IT sustavi d.o.o.](https://appshunter.io/developer/905275058) |

## 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


### Sensor 3.0

[App page](https://appshunter.io/ios/app/sensor-30/id1659400673)

Create a 3D avatar for anonymous participation in a virtual research environment. This free app offers an immersive experience for users to engage in studies while maintaining their privacy.

**Highlights:** Create 3D avatars, Anonymous participation, Immersive research experience, Virtual environment, User-friendly interface

**In-app purchases:** none


## Frequently asked questions

### Is Signo Application free?

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

### Is Sensor 3.0 free?

Sensor 3.0 is free to download, with no in-app purchases.

### Which has better reviews, Signo Application or Sensor 3.0?

Signo Application and Sensor 3.0 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Signo Application or Sensor 3.0 have ads?

Neither Signo Application nor Sensor 3.0 shows ads.

### Which is updated more often, Signo Application or Sensor 3.0?

Signo Application ships an update every 2 months, and Sensor 3.0 every 2 months. Most recently, Signo Application was updated on August 29, 2026 and Sensor 3.0 on June 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*