# E vs VALK Tools

The clearest difference is update cadence: VALK Tools at every 2 weeks against E's every 18 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

E ships an update every 18 months, VALK Tools every 2 weeks. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | E | VALK Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e-wire-calc/id885429495/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 26 MB | 85 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ELEKTRISOLA](https://appshunter.io/developer/885429498) | [ITRoots](https://appshunter.io/developer/1086447931) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-wire-calc/id885429495)

This tool helps determine technical characteristics of enamelled copper wire based on industry standards. It offers functions for diameter conversion, resistance calculations, and breakdown voltage.

**Highlights:** Diameter conversion (mm, inch, AWG), Resistance calculation, Metal wire diameter calculation, Resistance tolerance, Enamelled copper quantity and length, Breakdown voltage, Winding tension calculation, Overall diameter tolerance

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

**In-app purchases:** none


### VALK Tools

[App page](https://appshunter.io/ios/app/valk-tools/id6754689250)

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is VALK Tools free?

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

### Do E or VALK Tools have ads?

Neither E nor VALK Tools shows ads.

### Which is updated more often, E or VALK Tools?

E ships an update every 18 months, and VALK Tools every 2 weeks. Most recently, E was updated on November 1, 2026 and VALK Tools 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.*