# Vmax Smart vs SidraCharge

The clearest difference is update cadence: Vmax Smart at monthly against SidraCharge's every 4 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.

Vmax Smart ships an update monthly, SidraCharge every 4 months. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Vmax Smart | SidraCharge |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | — |
| Size | 33 MB | 117 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Doulian Technology (Jiangmen) Co.,Ltd](https://appshunter.io/developer/1618588381) | [Sidra Charge Advertising LLC](https://appshunter.io/developer/1753860346) |

## What reviewers say

### Vmax Smart

[App page](https://appshunter.io/ios/app/vmax-smart/id1573547442)

Easily control and adjust the status of your lamps to enhance your living space. The app requires pairing within 5 seconds of device power-on for seamless operation.

**Highlights:** Lamp status adjustment, Device control, Convenient living, Easy pairing

**Features:** macOS Compatibility

**In-app purchases:** none


### SidraCharge

[App page](https://appshunter.io/ios/app/sidracharge/id6504787271)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vmax Smart free?

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

### Is SidraCharge free?

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

### Do Vmax Smart or SidraCharge have ads?

Neither Vmax Smart nor SidraCharge shows ads.

### Which is updated more often, Vmax Smart or SidraCharge?

Vmax Smart ships an update monthly, and SidraCharge every 4 months. Most recently, Vmax Smart was updated on October 11, 2026 and SidraCharge on October 8, 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.*