# GyroAssistant vs Project Iris

The clearest difference is in-app purchases: GyroAssistant at none against Project Iris's 1. GyroAssistant also leads on iOS requirement (14.1 vs 17.0). Project Iris's advantage is update cadence (every 4 days vs every 11 months) and ratings volume (14 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Project Iris sells 1 one-off in-app purchase. GyroAssistant asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for GyroAssistant against 5.0 for Project Iris. That said, the two scores are not equally well evidenced: Project Iris has 14 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

GyroAssistant ships an update every 11 months, Project Iris every 4 days. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | GyroAssistant | Project Iris |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/gyroassistant/id1580690210/reviews) | [5.0 (14 ratings)](https://appshunter.io/ios/app/project-iris-watch-browser/id6477305403/reviews) |
| Number of ratings | 1 | **14** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 0 MB | 51 MB |
| Requires iOS | **14.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [欣 孙](https://appshunter.io/developer/1580654757) | [力 雷](https://appshunter.io/developer/1746429413) |

## What reviewers say

### GyroAssistant

[App page](https://appshunter.io/ios/app/gyroassistant/id1580690210)

This utility app displays gyroscope sensor data from your mobile device. It provides a straightforward way to view and understand the readings from your phone's gyroscope.

**Highlights:** View gyroscope sensor data, Understand sensor readings, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Project Iris

[App page](https://appshunter.io/ios/app/project-iris-watch-browser/id6477305403)

This utility app offers a streamlined browsing experience with advanced engine capabilities. It allows for private browsing, history management, and customizable search engines, all optimized for accessibility and supporting multiple languages.

**Highlights:** State-of-the-art browsing engine, Keyword and URL distinction, Bookmark management, Private browsing mode, History recording, Customizable search engine, History and bookmark locking

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Iris Vision | $3.99 | one-time |


## Frequently asked questions

### Is GyroAssistant free?

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

### Is Project Iris free?

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

### Which has better reviews, GyroAssistant or Project Iris?

GyroAssistant and Project Iris are both rated 5.0 out of 5 on the App Store, from 1 and 14 ratings respectively.

### Do GyroAssistant or Project Iris have ads?

Neither GyroAssistant nor Project Iris shows ads.

### Which is updated more often, GyroAssistant or Project Iris?

GyroAssistant ships an update every 11 months, and Project Iris every 4 days. Most recently, GyroAssistant was updated on October 12, 2026 and Project Iris on October 10, 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.*