# Conductivity Basic for EC111B vs Wire Resistance Calc

The clearest difference is price: Conductivity Basic for EC111B at Free against Wire Resistance Calc's $2.99. Conductivity Basic for EC111B also leads on update cadence (every 15 months vs every 31 months) and iOS requirement (9.0 vs 13). On ads, in-app purchases and device support there is nothing between them.

Conductivity Basic for EC111B is free to download; Wire Resistance Calc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Conductivity Basic for EC111B ships an update every 15 months, Wire Resistance Calc every 31 months. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Conductivity Basic for EC111B | Wire Resistance Calc |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 15 months** | Every 31 months |
| Monetization | — | Paid |
| Size | 18 MB | 1 MB |
| Requires iOS | **9.0** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jenco Instruments, Inc.](https://appshunter.io/developer/1275832649) | [Nitrio](https://appshunter.io/developer/321121189) |

## What reviewers say

### Conductivity Basic for EC111B

[App page](https://appshunter.io/ios/app/conductivity-basic-for-ec111b/id1315393085)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wire Resistance Calc

[App page](https://appshunter.io/ios/app/wire-resistance-calc/id1435033524)

This physics calculator quickly determines the resistance and conductance of a wire. It supports multiple units, high precision calculations, and includes reference formulas. The app is ad-free and optimized for iOS devices.

**Highlights:** Instant resistance and conductance calculations, Supports various input units, High precision up to 16 decimal places, Includes reference formulas, Results copyable to other apps, Ad-free and privacy-focused

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

**In-app purchases:** none


## Frequently asked questions

### Is Conductivity Basic for EC111B free?

Conductivity Basic for EC111B is free to download, with no in-app purchases.

### Is Wire Resistance Calc free?

Wire Resistance Calc costs $2.99, with no in-app purchases.

### Do Conductivity Basic for EC111B or Wire Resistance Calc have ads?

Neither Conductivity Basic for EC111B nor Wire Resistance Calc shows ads.

### Which is updated more often, Conductivity Basic for EC111B or Wire Resistance Calc?

Conductivity Basic for EC111B ships an update every 15 months, and Wire Resistance Calc every 31 months. Most recently, Conductivity Basic for EC111B was updated on September 14, 2026 and Wire Resistance Calc on September 10, 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.*