# Fast vs LightsOn

The clearest difference is update cadence: LightsOn at weekly against Fast's every 2 months. Fast's advantage is iOS requirement (15.1 vs 18.0). 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.

Fast ships an update every 2 months, LightsOn weekly. The most recent releases landed on November 5, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Fast | LightsOn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (47 ratings)](https://appshunter.io/ios/app/lightson-move-to-build-a-city/id6780607028/reviews)** |
| Number of ratings | — | **47** |
| Positive reviews | — | 96.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free |
| Size | 43 MB | 29 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Borche Davchev](https://appshunter.io/developer/1894036390) | [Jirko Cernik](https://appshunter.io/developer/967735705) |

## What reviewers say

### Fast

[App page](https://appshunter.io/ios/app/fastprotocol/id6762401177)

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

**In-app purchases:** none


### LightsOn

[App page](https://appshunter.io/ios/app/lightson-move-to-build-a-city/id6780607028)

This app transforms your real-world activity into a thriving virtual city. Burn calories to power your town, attract residents, and watch it grow. Neglect your activity, and the city will dim.

**Highlights:** Activity powers city growth, Automatic data import from Apple Health, Idle city builder gameplay, Earn bonus credits for workouts, Build upgrades and factories, City grows while you're away

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Fast free?

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

### Is LightsOn free?

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

### Do Fast or LightsOn have ads?

Neither Fast nor LightsOn shows ads.

### Which is updated more often, Fast or LightsOn?

Fast ships an update every 2 months, and LightsOn weekly. Most recently, Fast was updated on November 5, 2026 and LightsOn on November 7, 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.*