# Conductivity Basic for EC111B vs Inver Dealer

The clearest difference is update cadence: Inver Dealer at every 6 months against Conductivity Basic for EC111B's every 15 months. Conductivity Basic for EC111B's advantage is device support and iOS requirement (9.0 vs 13.0). On price and in-app purchases there is nothing between them.

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

Conductivity Basic for EC111B ships an update every 15 months, Inver Dealer every 6 months. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Conductivity Basic for EC111B | Inver Dealer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 15 months | **Every 6 months** |
| Size | 18 MB | 65 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Jenco Instruments, Inc.](https://appshunter.io/developer/1275832649) | [Xiamen Invertech Energy Technology Co., Ltd.](https://appshunter.io/developer/1728799695) |

## 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


### Inver Dealer

[App page](https://appshunter.io/ios/app/inver-dealer/id6479282812)

**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 Inver Dealer free?

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

### Which is updated more often, Conductivity Basic for EC111B or Inver Dealer?

Conductivity Basic for EC111B ships an update every 15 months, and Inver Dealer every 6 months. Most recently, Conductivity Basic for EC111B was updated on October 2, 2026 and Inver Dealer on October 5, 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.*