# Simalai vs VOLDA

The clearest difference is iOS requirement: VOLDA at 13.0 against Simalai's 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, VOLDA every 2 weeks. The most recent releases landed on September 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Simalai | VOLDA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 8 MB | 34 MB |
| Requires iOS | 16 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [华 李](https://appshunter.io/developer/872554875) | [颖卓 赵](https://appshunter.io/developer/1865325974) |

## 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


### VOLDA

[App page](https://appshunter.io/ios/app/volda/id6758033773)

**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 VOLDA free?

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

### Do Simalai or VOLDA have ads?

Neither Simalai nor VOLDA shows ads.

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

Simalai ships an update every 3 weeks, and VOLDA every 2 weeks. Most recently, Simalai was updated on September 16, 2026 and VOLDA on October 17, 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.*