# Conductivity Basic for EC111B vs Solution Dilution Calculator

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

Conductivity Basic for EC111B is free to download; Solution Dilution Calculator 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, Solution Dilution Calculator every 22 months. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Conductivity Basic for EC111B | Solution Dilution Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/solution-dilution-calculator/id1353265965/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 15 months** | Every 22 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


### Solution Dilution Calculator

[App page](https://appshunter.io/ios/app/solution-dilution-calculator/id1353265965)

This utility app helps users calculate the precise volume of stock concentrate needed to create a diluted solution of a specific concentration and volume. It supports various concentration units and is designed for educational and research laboratory use.

**Highlights:** Dilution calculations, Supports mass/volume units, Supports weight/volume units, Ideal for labs and education, User-friendly interface

**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 Solution Dilution Calculator free?

Solution Dilution Calculator costs $2.99, with no in-app purchases.

### Do Conductivity Basic for EC111B or Solution Dilution Calculator have ads?

Neither Conductivity Basic for EC111B nor Solution Dilution Calculator shows ads.

### Which is updated more often, Conductivity Basic for EC111B or Solution Dilution Calculator?

Conductivity Basic for EC111B ships an update every 15 months, and Solution Dilution Calculator every 22 months. Most recently, Conductivity Basic for EC111B was updated on September 14, 2026 and Solution Dilution Calculator 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.*