# Conductivity Basic for EC111B vs St Teresa’s School

Conductivity Basic for EC111B and St Teresa’s School 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.

Conductivity Basic for EC111B ships an update every 15 months, St Teresa’s School every 13 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Conductivity Basic for EC111B | St Teresa’s School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 13 months** |
| Size | 18 MB | 14 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jenco Instruments, Inc.](https://appshunter.io/developer/1275832649) | [ST THERESAS SCHOOL](https://appshunter.io/developer/1554442190) |

## 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


### St Teresa’s School

[App page](https://appshunter.io/ios/app/st-teresas-school/id1334531014)

**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 St Teresa’s School free?

St Teresa’s School is free to download, with no in-app purchases.

### Do Conductivity Basic for EC111B or St Teresa’s School have ads?

Neither Conductivity Basic for EC111B nor St Teresa’s School shows ads.

### Which is updated more often, Conductivity Basic for EC111B or St Teresa’s School?

Conductivity Basic for EC111B ships an update every 15 months, and St Teresa’s School every 13 months. Most recently, Conductivity Basic for EC111B was updated on October 2, 2026 and St Teresa’s School on October 3, 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.*