# Probewell Connect vs Calculator Express with Notes

The clearest difference is rating: Probewell Connect at 5.0 against Calculator Express with Notes's 4.5. Probewell Connect also leads on in-app purchases (none vs 2) and ads (none vs shown). Calculator Express with Notes's advantage is ratings volume (47 vs 1) and update cadence (monthly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Calculator Express with Notes sells 2 one-off in-app purchases. Probewell Connect asks for nothing beyond the download.

Probewell Connect holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Calculator Express with Notes has 47 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Probewell Connect's written reviews are positive against 69% of Calculator Express with Notes's.

Probewell Connect ships an update every 2 months, Calculator Express with Notes monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Probewell Connect | Calculator Express with Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/probewell-connect/id1441811278/reviews)** | [4.5 (47 ratings)](https://appshunter.io/ios/app/calculator-express-with-notes/id1604079825/reviews) |
| Number of ratings | 1 | **47** |
| Positive reviews | **100.0% of reviews** | 69.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 28 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Probewell](https://appshunter.io/developer/1438031572) | [RAMAN KHVASHCHEUSKI](https://appshunter.io/developer/1437493298) |

## What reviewers say

### Probewell Connect

[App page](https://appshunter.io/ios/app/probewell-connect/id1441811278)

This app connects wirelessly to specific field meter testers, allowing for easy setup, quick test parameter configuration, and on-device visualization of test reports. Reports can be easily shared via email directly from the application.

**Highlights:** Wireless device pairing via QR code, Quick test parameter configuration, On-device test report visualization, Email report sharing, Modern, sleek user interface

**In-app purchases:** none


### Calculator Express with Notes

[App page](https://appshunter.io/ios/app/calculator-express-with-notes/id1604079825)

A beautifully designed utility app offering six essential tools, including currency, unit, and percentage converters, plus calculators for BMI, tips, and world time. Users can customize the app's appearance and manage calculation history with notes and labels.

**Highlights:** Currency converter, Unit converter, Percentage calculator, BMI calculator, Tip calculator, World time converter, Customizable appearance, Calculation history with notes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads -50% off | $1.99 | one-time |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Probewell Connect free?

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

### Is Calculator Express with Notes free?

Calculator Express with Notes is free to download, with in-app purchases available.

### Which has better reviews, Probewell Connect or Calculator Express with Notes?

Probewell Connect is rated higher. Probewell Connect averages 5.0 out of 5 from 1 ratings, while Calculator Express with Notes averages 4.5 from 47 ratings.

### Do Probewell Connect or Calculator Express with Notes have ads?

Calculator Express with Notes shows ads; Probewell Connect does not.

### Which is updated more often, Probewell Connect or Calculator Express with Notes?

Probewell Connect ships an update every 2 months, and Calculator Express with Notes monthly. Most recently, Probewell Connect was updated on October 24, 2026 and Calculator Express with Notes on October 24, 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.*