# Span Installer vs Electrical Calculator

The clearest difference is price: Span Installer at Free against Electrical Calculator's $4.99. Span Installer also leads on update cadence (fortnightly vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Span Installer is free to download; Electrical Calculator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Span Installer ships an update fortnightly, Electrical Calculator every 2 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Span Installer | Electrical Calculator |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[3.3 (15 ratings)](https://appshunter.io/ios/app/span-installer/id1477128965/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 106 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Span.io, Inc](https://appshunter.io/developer/1477128844) | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) |

## What reviewers say

### Span Installer

[App page](https://appshunter.io/ios/app/span-installer/id1477128965)

This app streamlines the installation and servicing of new and existing SPAN panels. It offers enhanced navigation, an improved breaker labeling process, and integrated troubleshooting support. Users can also confirm communications with battery systems and program setpoints for energy management.

**Highlights:** Faster new SPAN Panel commissioning, Simplified user navigation, Improved breaker labeling, Integrated troubleshooting and support, Confirm hardware communications, Program setpoints with SPAN PowerUp

**In-app purchases:** none


### Electrical Calculator

[App page](https://appshunter.io/ios/app/electrical-calculator-panel/id6761541388)

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

**In-app purchases:** none


## Frequently asked questions

### Is Span Installer free?

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

### Is Electrical Calculator free?

Electrical Calculator costs $4.99, with no in-app purchases.

### Do Span Installer or Electrical Calculator have ads?

Neither Span Installer nor Electrical Calculator shows ads.

### Which is updated more often, Span Installer or Electrical Calculator?

Span Installer ships an update fortnightly, and Electrical Calculator every 2 months. Most recently, Span Installer was updated on November 3, 2026 and Electrical Calculator on November 9, 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.*