# Power Calculator vs FidoLED

The clearest difference is price: Power Calculator at Free against FidoLED's $2.99. Power Calculator also leads on update cadence (every 2 months vs every 5 months). FidoLED's advantage is rating (4.8 vs 4.5) and ratings volume (18 vs 2). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Power Calculator is free to download; FidoLED costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FidoLED holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: FidoLED has 18 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 84% and 83% positive.

Power Calculator ships an update every 2 months, FidoLED every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Power Calculator | FidoLED |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/power-calculator/id454548791/reviews) | **[4.8 (18 ratings)](https://appshunter.io/ios/app/fidoled/id961615228/reviews)** |
| Number of ratings | 2 | **18** |
| Positive reviews | **84.2% of reviews** | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | **Free** | Paid |
| Size | 2 MB | 16 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Power Continuity Limited](https://appshunter.io/developer/454548794) | [Darren Alexander](https://appshunter.io/developer/946616105) |

## What reviewers say

### Power Calculator

[App page](https://appshunter.io/ios/app/power-calculator/id454548791)

This app provides a straightforward calculator designed for the electrical industry, offering tools for power and lighting calculations. It helps users determine generator and UPS requirements, convert units, and calculate fuel consumption. Suitable for both professionals and casual users needing electrical calculations.

**Highlights:** KW, kVA, and Amps calculation, Generator requirements calculation (single/three phase), UPS requirements calculation (single/three phase), Lumens and Watts conversion, Generator fuel consumption calculation, Generator power calculation

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

**In-app purchases:** none


### FidoLED

[App page](https://appshunter.io/ios/app/fidoled/id961615228)

This app calculates LED screen specifications including pixel count, dimensions, and power draw. It can generate pixel grids for content mapping and export them as image files or Photoshop scripts. Users can request new LED makes and models to be added to the database.

**Highlights:** LED screen specification calculation, Pixel grid generation for content, Export options (image, Photoshop script), Customizable pixel shift offsets, Request new LED tile additions, Automatic and manual database updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Power Calculator free?

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

### Is FidoLED free?

FidoLED costs $2.99, with no in-app purchases.

### Which has better reviews, Power Calculator or FidoLED?

FidoLED is rated higher. Power Calculator averages 4.5 out of 5 from 2 ratings, while FidoLED averages 4.8 from 18 ratings.

### Do Power Calculator or FidoLED have ads?

Neither Power Calculator nor FidoLED shows ads.

### Which is updated more often, Power Calculator or FidoLED?

Power Calculator ships an update every 2 months, and FidoLED every 5 months. Most recently, Power Calculator was updated on October 24, 2026 and FidoLED on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*