# YellowGrid vs Rescue4x4

The clearest difference is update cadence: Rescue4x4 at weekly against YellowGrid's fortnightly. 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.

YellowGrid ships an update fortnightly, Rescue4x4 weekly. The most recent releases landed on October 12, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | YellowGrid | Rescue4x4 |
| --- | --- | --- |
| 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 | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 94 MB | 49 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YellowGrid](https://appshunter.io/developer/1896555484) | [Constantin Brasoveanu](https://appshunter.io/developer/1894309675) |

## What reviewers say

### 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


### Rescue4x4

[App page](https://appshunter.io/ios/app/rescue4x4/id6762483541)

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

**In-app purchases:** none


## Frequently asked questions

### Is YellowGrid free?

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

### Is Rescue4x4 free?

Rescue4x4 is free to download, with no in-app purchases.

### Do YellowGrid or Rescue4x4 have ads?

Neither YellowGrid nor Rescue4x4 shows ads.

### Which is updated more often, YellowGrid or Rescue4x4?

YellowGrid ships an update fortnightly, and Rescue4x4 weekly. Most recently, YellowGrid was updated on October 12, 2026 and Rescue4x4 on October 19, 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.*