# E vs Clock

E and Clock are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Clock every 20 months. The most recent releases landed on September 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | E | Clock |
| --- | --- | --- |
| 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 20 months |
| Monetization | Free | — |
| Size | 26 MB | 24 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ELEKTRISOLA](https://appshunter.io/developer/885429498) | [VIRTUAL FORCE PRIVATE LIMITED](https://appshunter.io/developer/597317856) |

## 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


### Clock

[App page](https://appshunter.io/ios/app/clock-it/id6443874683)

**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 Clock free?

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

### Do E or Clock have ads?

Neither E nor Clock shows ads.

### Which is updated more often, E or Clock?

E ships an update every 18 months, and Clock every 20 months. Most recently, E was updated on September 12, 2026 and Clock on September 29, 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.*