Probewell Connect vs Calculator Express with Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Probewell Connect
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.
- Wireless device pairing via QR code
- Quick test parameter configuration
- On-device test report visualization
- Email report sharing
- Modern, sleek user interface
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Metering field testing ... redefined! Probewell Connect is the official companion app for Probewell Lab's wireless products. This includes, but may not be limited to, the MT-1/WT3, MT-1/WT1, ST-3/XT3 wireless field meter testers. EASY SETUP Effortless pairing of your iOS phone or tablet to the tester is done by scanning a unique QR code. TEST RELENTLESSLY A modern, sleek user interface allows easy and quick configuration of test parameters. ANALYZE AND SHARE Visualize test report data directly on device. Reports can be sent via email within the app. Discover our full product offering on : www.probewell.com
Calculator Express with Notes
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.
- Currency converter
- Unit converter
- Percentage calculator
- BMI calculator
- Tip calculator
- World time converter
- Customizable appearance
- Calculation history with notes
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Hello there! This is Calculator Express. We are introducing you a beautifully designed app, that includes 6 handy tools: - Currency converter - Unit converter - Percentage calculator (hey marketers, this feature is for you) - BMI calculator - Tip calculator - World time converter (and many more tools will be added very soon, stay tuned!) You can customise Calculator Express as you wish - color, fonts, app icon, buttons background and even more! But what else? Guys, we think that calculation history is a very important feature and that's why we decided to make it more convenient - we added labels and notes to your calculations. Pin, copy and share. We think our app will be a great companion and just a handy simple tool. Privacy policy: https://calculator.express/assets/privacy.html Terms of Use: https://calculator.express/assets/terms.html
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Probewell Connect | Calculator Express with Notes |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.5 (47 ratings) |
| Positive reviews | 100.0% of reviews — better | 69.2% of reviews |
| Number of ratings | 1 | 47 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 26 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Probewell | RAMAN KHVASHCHEUSKI |
Customer experience
Probewell Connect
Calculator Express with Notes
In-app purchases
Probewell Connect
No in-app purchases
Calculator Express with Notes
- Remove Ads -50% off$1.99
- Remove Ads$4.99
Questions
Is Probewell Connect free?
Is Calculator Express with Notes free?
Which has better reviews, Probewell Connect or Calculator Express with Notes?
Do Probewell Connect or Calculator Express with Notes have ads?
Which is updated more often, Probewell Connect or Calculator Express with Notes?
Other comparisons
