# Smart.Grid vs Race To Zero

The clearest difference is update cadence: Smart.Grid at every 3 months against Race To Zero's every 13 months. Smart.Grid also leads on iOS requirement (9.0 vs 15.0). 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.

Smart.Grid ships an update every 3 months, Race To Zero every 13 months. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Smart.Grid | Race To Zero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Size | 7 MB | 262 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Technische Universitaet Berlin](https://appshunter.io/developer/527216537) | [Harmony Studios Limited](https://appshunter.io/developer/504522955) |

## What reviewers say

### Smart.Grid

[App page](https://appshunter.io/ios/app/smartgrid/id1335576459)

**Features:** macOS Compatibility

**In-app purchases:** none


### Race To Zero

[App page](https://appshunter.io/ios/app/race-to-zero/id1600471584)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart.Grid free?

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

### Is Race To Zero free?

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

### Do Smart.Grid or Race To Zero have ads?

Neither Smart.Grid nor Race To Zero shows ads.

### Which is updated more often, Smart.Grid or Race To Zero?

Smart.Grid ships an update every 3 months, and Race To Zero every 13 months. Most recently, Smart.Grid was updated on October 5, 2026 and Race To Zero on October 3, 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.*