# Degrii OS vs SUBLUE ROBOT

The clearest difference is rating: Degrii OS at 4.6 against SUBLUE ROBOT's 2.0. Degrii OS also leads on review sentiment (40% vs 0%) and ratings volume (353 vs 4). 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.

Degrii OS holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Degrii OS has 353 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 40% of Degrii OS's written reviews are positive against 0% of SUBLUE ROBOT's.

Degrii OS ships an update monthly, SUBLUE ROBOT every 2 months. The most recent releases landed on October 19, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Degrii OS | SUBLUE ROBOT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (353 ratings)](https://appshunter.io/ios/app/degrii-os/id1635337281/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/sublue-robot/id6451402821/reviews) |
| Number of ratings | **353** | 4 |
| Positive reviews | **40.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 93 MB | 85 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Degrii Inc.](https://appshunter.io/developer/1672189374) | [Sublue Underwater AI Co., Ltd](https://appshunter.io/developer/1838599859) |

## What reviewers say

### Degrii OS

[App page](https://appshunter.io/ios/app/degrii-os/id1635337281)

This app provides an AI-powered operating system for smart home devices, focusing on climate control and robotic pool cleaning. It learns user preferences for comfort and energy savings, offering remote control and monitoring for various smart home functions.

**Highlights:** AI-driven smart home operating system, Integrated home climate control, Remote temperature adjustment, Energy saving algorithms, Robotic pool cleaner control, Personalized cleaning schedules

**In-app purchases:** none


### SUBLUE ROBOT

[App page](https://appshunter.io/ios/app/sublue-robot/id6451402821)

Control your intelligent swimming pool cleaning robot remotely. Track cleaning progress, schedule cleanings, and view detailed cleaning maps. Customize cleaning modes and receive firmware updates for optimal performance.

**Highlights:** Remote robot control, Real-time cleaning progress tracking, Scheduled cleaning reservations, Customizable cleaning modes, Cleaning map visualization, One-click cleaning log sharing, OTA firmware upgrades

**In-app purchases:** none


## Frequently asked questions

### Is Degrii OS free?

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

### Is SUBLUE ROBOT free?

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

### Which has better reviews, Degrii OS or SUBLUE ROBOT?

Degrii OS is rated higher. Degrii OS averages 4.6 out of 5 from 353 ratings, while SUBLUE ROBOT averages 2.0 from 4 ratings.

### Do Degrii OS or SUBLUE ROBOT have ads?

Neither Degrii OS nor SUBLUE ROBOT shows ads.

### Which is updated more often, Degrii OS or SUBLUE ROBOT?

Degrii OS ships an update monthly, and SUBLUE ROBOT every 2 months. Most recently, Degrii OS was updated on October 19, 2026 and SUBLUE ROBOT on October 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.*