# Simalai vs Utrao

The clearest difference is review sentiment: Simalai at 33% against Utrao's 0%. Utrao's advantage is iOS requirement (12.0 vs 16). 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.

Simalai ships an update every 3 weeks, Utrao monthly. The most recent releases landed on September 3, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Simalai | Utrao |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/utrao/id6451104145/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 8 MB | 17 MB |
| Requires iOS | 16 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [华 李](https://appshunter.io/developer/872554875) | [Shanghai Utrao Bio-Engineering Co., Ltd.](https://appshunter.io/developer/1696567482) |

## What reviewers say

### Simalai

[App page](https://appshunter.io/ios/app/simalai/id994853061)

This smart dosing pump system allows for precise liquid dispensing from 0.1ml to 999ml. Control dosing volume, frequency, and timing remotely via your mobile phone. Multiple units can be wirelessly combined for expanded functionality.

**Highlights:** Precise dosing from 0.1ml, Compact and small volume design, Mobile phone control for settings, Wireless combination of multiple pumps, Adjustable dosing frequency and time

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

**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 Simalai free?

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

### Is Utrao free?

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

### Do Simalai or Utrao have ads?

Neither Simalai nor Utrao shows ads.

### Which is updated more often, Simalai or Utrao?

Simalai ships an update every 3 weeks, and Utrao monthly. Most recently, Simalai was updated on September 3, 2026 and Utrao on June 5, 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.*