# Simalai vs Simon Plug&Drive

The clearest difference is update cadence: Simalai at every 3 weeks against Simon Plug&Drive's every 2 months. On price, ads, in-app purchases and device support 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, Simon Plug&Drive every 2 months. The most recent releases landed on September 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Simalai | Simon Plug&Drive |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 8 MB | 63 MB |
| Requires iOS | 16 | **15.6** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [华 李](https://appshunter.io/developer/872554875) | [Simon](https://appshunter.io/developer/531284305) |

## 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


### Simon Plug&Drive

[App page](https://appshunter.io/ios/app/simon-plug-and-drive/id1633641300)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simalai free?

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

### Is Simon Plug&Drive free?

Simon Plug&Drive is free to download, with no in-app purchases.

### Do Simalai or Simon Plug&Drive have ads?

Neither Simalai nor Simon Plug&Drive shows ads.

### Which is updated more often, Simalai or Simon Plug&Drive?

Simalai ships an update every 3 weeks, and Simon Plug&Drive every 2 months. Most recently, Simalai was updated on September 16, 2026 and Simon Plug&Drive on October 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.*