# ALLOY+KM vs Sua LUZ

The clearest difference is update cadence: Sua LUZ at every 5 weeks against ALLOY+KM's every 4 months. ALLOY+KM's advantage is iOS requirement (13.0 vs 26.0). 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.

ALLOY+KM ships an update every 4 months, Sua LUZ every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | ALLOY+KM | Sua LUZ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sua-luz/id1644930247/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 68 MB | 89 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [POSTOAKI DESENVOLVIMENTO TECNOLOGICO LTDA](https://appshunter.io/developer/1186130596) | [LUZ INVESTIMENTOS E PARTICIPACOES S.A.](https://appshunter.io/developer/1683202153) |

## What reviewers say

### ALLOY+KM

[App page](https://appshunter.io/ios/app/alloy-plus-km/id1577847888)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sua LUZ

[App page](https://appshunter.io/ios/app/sua-luz/id1644930247)

This app provides digital energy supply services, offering users control over their energy consumption and expenses. It features real-time consumption tracking, clear billing information, and dedicated customer support channels.

**Highlights:** Real-time energy consumption tracking, Predictive billing and payment dates, Easy-to-understand invoices, Access to support channels, Energy saving tips and articles

**In-app purchases:** none


## Frequently asked questions

### Is ALLOY+KM free?

ALLOY+KM is free to download, with no in-app purchases.

### Is Sua LUZ free?

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

### Do ALLOY+KM or Sua LUZ have ads?

Neither ALLOY+KM nor Sua LUZ shows ads.

### Which is updated more often, ALLOY+KM or Sua LUZ?

ALLOY+KM ships an update every 4 months, and Sua LUZ every 5 weeks. Most recently, ALLOY+KM was updated on November 3, 2026 and Sua LUZ on November 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.*