# Electrical Formulator vs Tabletop Infrastructure Viewer

The clearest difference is in-app purchases: Tabletop Infrastructure Viewer at none against Electrical Formulator's 1. Tabletop Infrastructure Viewer also leads on update cadence (weekly vs every 2 months) and iOS requirement (13.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. Electrical Formulator sells 1 one-off in-app purchase. Tabletop Infrastructure Viewer asks for nothing beyond the download.

Electrical Formulator ships an update every 2 months, Tabletop Infrastructure Viewer weekly. The most recent releases landed on October 31, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Electrical Formulator | Tabletop Infrastructure Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/electrical-formulator/id299749412/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 15.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Freemium | — |
| Size | 16 MB | 340 MB |
| Requires iOS | 18.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [3DInternet Inc.](https://appshunter.io/developer/954601443) |

## What reviewers say

### Electrical Formulator

[App page](https://appshunter.io/ios/app/electrical-formulator/id299749412)

This app provides a comprehensive suite of electrical calculation tools for design and engineering challenges. It offers hundreds of conversion and calculation options, with features to save, print, and email results. Easily access frequently used and recently accessed formulas, with all calculations automatically stored.

**Highlights:** Over 100 electrical formulas, Save and organize results, Share results via email or print, Access most-used and recent formulas, Supports US/Imperial and metric units, Formula categories for batteries, motors, transformers, and more

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features For Electrcial | $1.99 | one-time |


### Tabletop Infrastructure Viewer

[App page](https://appshunter.io/ios/app/tabletop-infrastructure-viewer/id6514329377)

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Formulator free?

Electrical Formulator is free to download, with in-app purchases available.

### Is Tabletop Infrastructure Viewer free?

Tabletop Infrastructure Viewer is free to download, with no in-app purchases.

### Do Electrical Formulator or Tabletop Infrastructure Viewer have ads?

Neither Electrical Formulator nor Tabletop Infrastructure Viewer shows ads.

### Which is updated more often, Electrical Formulator or Tabletop Infrastructure Viewer?

Electrical Formulator ships an update every 2 months, and Tabletop Infrastructure Viewer weekly. Most recently, Electrical Formulator was updated on October 31, 2026 and Tabletop Infrastructure Viewer on November 8, 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.*