# Layers World vs Sierro

The clearest difference is iOS requirement: Sierro at 15.0 against Layers World's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Layers World ships an update weekly, Sierro every 10 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Layers World | Sierro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/sierro/id6808530922/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | — | Free |
| Size | 15 MB | 7 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CV Monkey](https://appshunter.io/developer/1845430202) | [Sierro Intelligent Technology Co., Ltd](https://appshunter.io/developer/6808530924) |

## What reviewers say

### Layers World

[App page](https://appshunter.io/ios/app/layers-world/id6790016671)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sierro

[App page](https://appshunter.io/ios/app/sierro/id6808530922)

Monitor and manage your home energy storage system. View battery status, solar generation, and power flow. Receive alerts for power outages and low battery levels to stay informed.

**Highlights:** Monitor battery status, View solar generation, Track power flow, Receive device alerts, Get outage notifications, Low battery alerts

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

**In-app purchases:** none


## Frequently asked questions

### Is Layers World free?

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

### Is Sierro free?

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

### Do Layers World or Sierro have ads?

Neither Layers World nor Sierro shows ads.

### Which is updated more often, Layers World or Sierro?

Layers World ships an update weekly, and Sierro every 10 days. Most recently, Layers World was updated on October 31, 2026 and Sierro on October 31, 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.*