# ENERGY BMS vs Grid Zero

The clearest difference is update cadence: Grid Zero at every 5 days against ENERGY BMS's every 2 months. ENERGY BMS's advantage is iOS requirement (12.0 vs 15.1). 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.

ENERGY BMS ships an update every 2 months, Grid Zero every 5 days. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | ENERGY BMS | Grid Zero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 38 MB | 55 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Wending New Energy Technology Co.,Ltd.](https://appshunter.io/developer/1833217194) | [GRIDZERO NEW ENERGY SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1896484252) |

## What reviewers say

### ENERGY BMS

[App page](https://appshunter.io/ios/app/energy-bms/id6751039466)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grid Zero

[App page](https://appshunter.io/ios/app/grid-zero/id6767530347)

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

**In-app purchases:** none


## Frequently asked questions

### Is ENERGY BMS free?

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

### Is Grid Zero free?

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

### Do ENERGY BMS or Grid Zero have ads?

Neither ENERGY BMS nor Grid Zero shows ads.

### Which is updated more often, ENERGY BMS or Grid Zero?

ENERGY BMS ships an update every 2 months, and Grid Zero every 5 days. Most recently, ENERGY BMS was updated on September 18, 2026 and Grid Zero on September 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.*