# Simalai vs ReefAI3

The clearest difference is price: Simalai at Free against ReefAI3's $1.99. ReefAI3's advantage is update cadence (every 2 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Simalai is free to download; ReefAI3 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simalai ships an update every 3 weeks, ReefAI3 every 2 days. The most recent releases landed on September 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Simalai | ReefAI3 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 8 MB | 30 MB |
| Requires iOS | 16 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [华 李](https://appshunter.io/developer/872554875) | [Austin Lamitina](https://appshunter.io/developer/1884142429) |

## 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


### ReefAI3

[App page](https://appshunter.io/ios/app/reefai3/id6764714629)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simalai free?

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

### Is ReefAI3 free?

ReefAI3 costs $1.99, with no in-app purchases.

### Do Simalai or ReefAI3 have ads?

Neither Simalai nor ReefAI3 shows ads.

### Which is updated more often, Simalai or ReefAI3?

Simalai ships an update every 3 weeks, and ReefAI3 every 2 days. Most recently, Simalai was updated on September 16, 2026 and ReefAI3 on October 25, 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.*