# CtrlSun vs Cálculos Eléctricos NOM

The clearest difference is in-app purchases: CtrlSun at none against Cálculos Eléctricos NOM's 4. CtrlSun also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price there is nothing between them.

Both are free to download. Cálculos Eléctricos NOM sells 4 in-app purchases, starting at $1.99 per month. CtrlSun asks for nothing beyond the download.

CtrlSun ships an update every 3 weeks, Cálculos Eléctricos NOM every 2 months. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CtrlSun | Cálculos Eléctricos NOM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ctrlsun/id1454687730/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 19 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Solar Scope de Mexico sapi de cv](https://appshunter.io/developer/1454687729) | [David Alan Villalba Caraveo](https://appshunter.io/developer/1674308865) |

## What reviewers say

### CtrlSun

[App page](https://appshunter.io/ios/app/ctrlsun/id1454687730)

This app simplifies downloading CFE electricity bills and consumption data. It includes updated CFE tariffs and solar insolation data for project sizing. Manage sales teams and clients with its integrated CRM.

**Highlights:** Download CFE bills and consumption, Updated CFE tariffs and solar data, Size residential and commercial solar projects, Solar CRM for sales and client tracking, Manage up to 5+ sellers and clients

**Features:** macOS Compatibility

**In-app purchases:** none


### Cálculos Eléctricos NOM

[App page](https://appshunter.io/ios/app/calculos-electricos-nom/id6448860049)

This app provides electrical calculations based on Mexican and US electrical codes. It helps verify electrical installations by calculating conduit size, conductor gauge, motor and transformer amperage, and voltage drop. Additional features include conductor ampacity tables and notes for better understanding.

**Highlights:** Conduit and conductor size calculation, Motor and transformer amperage calculation, Voltage drop calculation, Conductor ampacity tables, Electrical installation verification, Notes and explanations for calculations

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suscripción Mensual Afiliado | $1.99 | per month |
| Plan mensual básico | $2.99 | per month |
| Suscripción Anual con Código | $19.99 | per year |
| Plan anual básico | $29.99 | per year |


## Frequently asked questions

### Is CtrlSun free?

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

### Is Cálculos Eléctricos NOM free?

Cálculos Eléctricos NOM is free to download, with in-app purchases available.

### Do CtrlSun or Cálculos Eléctricos NOM have ads?

Cálculos Eléctricos NOM shows ads; CtrlSun does not.

### Which is updated more often, CtrlSun or Cálculos Eléctricos NOM?

CtrlSun ships an update every 3 weeks, and Cálculos Eléctricos NOM every 2 months. Most recently, CtrlSun was updated on October 7, 2026 and Cálculos Eléctricos NOM on September 30, 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.*