# RateBud vs FieldVolt Electrical

The clearest difference is in-app purchases: RateBud at none against FieldVolt Electrical's 2. FieldVolt Electrical's advantage is update cadence (every 2 months vs every 18 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. FieldVolt Electrical sells 2 in-app purchases, starting at $4.99 per month. RateBud asks for nothing beyond the download.

RateBud ships an update every 18 months, FieldVolt Electrical every 2 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RateBud | FieldVolt Electrical |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fieldvolt-electrical/id6761079218/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 5 MB | 66 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Steurer](https://appshunter.io/developer/984557127) | [MATTHEW DAVID KOVALIK](https://appshunter.io/developer/1887675427) |

## What reviewers say

### RateBud

[App page](https://appshunter.io/ios/app/ratebud/id6449815372)

**In-app purchases:** none


### FieldVolt Electrical

[App page](https://appshunter.io/ios/app/fieldvolt-electrical/id6761079218)

This app assists electricians with complex calculations for pipe bending, conduit fill, ampacity, voltage drop, and box fill. It also offers a professional subscription for expert electrical advice and troubleshooting.

**Highlights:** Pipe bending calculations (offsets, saddles), Conduit fill calculations (NEC Table 1), Ampacity and wire sizing, Voltage drop calculations, Box fill calculations (NEC 314.16), Expert electrical advice subscription

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FieldVolt Pro | $4.99 | per month |
| FieldVolt Pro | $49.99 | per year |


## Frequently asked questions

### Is RateBud free?

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

### Is FieldVolt Electrical free?

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

### Do RateBud or FieldVolt Electrical have ads?

Neither RateBud nor FieldVolt Electrical shows ads.

### Which is updated more often, RateBud or FieldVolt Electrical?

RateBud ships an update every 18 months, and FieldVolt Electrical every 2 months. Most recently, RateBud was updated on October 25, 2026 and FieldVolt Electrical 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.*