# Hailei Smart Energy vs YellowGrid

The clearest difference is update cadence: YellowGrid at fortnightly against Hailei Smart Energy's every 23 months. Hailei Smart Energy's advantage is iOS requirement (12.0 vs 16.4). 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.

Hailei Smart Energy ships an update every 23 months, YellowGrid fortnightly. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hailei Smart Energy | YellowGrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yellowgrid/id6747118921/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 167 MB | 94 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Shen Zhen Hailei New Energy Co., Ltd](https://appshunter.io/developer/1737150028) | [YellowGrid](https://appshunter.io/developer/1896555484) |

## What reviewers say

### Hailei Smart Energy

[App page](https://appshunter.io/ios/app/hailei-smart-energy/id6479731914)

**Features:** macOS Compatibility

**In-app purchases:** none


### YellowGrid

[App page](https://appshunter.io/ios/app/yellowgrid/id6747118921)

Monitor your solar energy production and consumption in real time. Track your earnings from selling surplus energy to the grid and manage your battery reserves. Connect your solar system to a network for trading and receive monthly proceeds.

**Highlights:** Real-time energy production and consumption monitoring, Surplus energy tracking to the grid, Earnings and monthly payment tracking, Battery capacity reservation, Connect solar systems for energy trading, Assistance with solar installation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hailei Smart Energy free?

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

### Is YellowGrid free?

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

### Do Hailei Smart Energy or YellowGrid have ads?

Neither Hailei Smart Energy nor YellowGrid shows ads.

### Which is updated more often, Hailei Smart Energy or YellowGrid?

Hailei Smart Energy ships an update every 23 months, and YellowGrid fortnightly. Most recently, Hailei Smart Energy was updated on October 10, 2026 and YellowGrid on October 24, 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.*