# Keloray Pro vs Utrao

Keloray Pro and Utrao are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Keloray Pro ships an update every 3 weeks, Utrao monthly. The most recent releases landed on September 26, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Keloray Pro | Utrao |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/utrao/id6451104145/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free |
| Size | 57 MB | 17 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [志强 王](https://appshunter.io/developer/1080996774) | [Shanghai Utrao Bio-Engineering Co., Ltd.](https://appshunter.io/developer/1696567482) |

## What reviewers say

### Keloray Pro

[App page](https://appshunter.io/ios/app/keloray-pro/id6450856671)

**Features:** macOS Compatibility

**In-app purchases:** none


### Utrao

[App page](https://appshunter.io/ios/app/utrao/id6451104145)

This app allows users to control Internet of Things equipment for biological breeding. It aims to simplify the process of managing creature breeding with advanced technology.

**Highlights:** Control IoT equipment, Biological breeding technology, Manage creature breeding, Simplify breeding processes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Keloray Pro free?

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

### Is Utrao free?

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

### Do Keloray Pro or Utrao have ads?

Neither Keloray Pro nor Utrao shows ads.

### Which is updated more often, Keloray Pro or Utrao?

Keloray Pro ships an update every 3 weeks, and Utrao monthly. Most recently, Keloray Pro was updated on September 26, 2026 and Utrao on September 22, 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.*