Comparison

Conductivity Basic for EC111B vs JustGuard

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Conductivity Basic for EC111B

Features
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Designed with the everyday users in mind, the Conductivity Basic app, when paired with a Jenco Bluetooth conductivity tester model EC111B, is the simplest way to accurately measure conductivity, salinity, TDS and temperature readings. This app is optimized for the iPhone. Pro edition of this app is available with additional features: • Save reading data with GPS mapping • Annotate saved readings with notes • Share saved readings to other apps • Displays calibration history ▶ One-button Bluetooth pairing Easily pair to Jenco’s Bluetooth conductivity tester model EC111B, which contains the sensors and the processing hardware that accurately convert analog conductivity, salinity, TDS and temperature signals to digital signals. ▶ Easy to use with guided operations Thoughtful screen layout, guided calibration operations and jargon-free instructions deliver the best-in-class user experience. ▶ Quality readings Measure conductivity range of 0.00 to 20.00 mS with resolution of 0.10 mS and accuracy of ±1% full scale and ±2% full scale when reading is > 10.00 mS; salinity range of 0.00 to 10.00 ppt with resolution of 0.05 ppt and accuracy of ±1% full scale and ±2% full scale when reading is > 5.00 ppt; TDS range of 0.00 to 20.00 g/L with resolution of 0.03 to 0.10 g/L and accuracy of ±1% full scale and ±2% full scale when reading is > 10.00 g/L. Reading quality is made possible by Jenco’s 45-year experience in designing and producing water quality instruments. ▶ Practical, useful features Reading quality indicator, temperature display, calibration reminders, and more. ▶ Complete feature list: Reading quality • Displays pH and temperature readings at the same time * 0.00 to 20.00 mS conductivity range * 0.00 to 10.00 ppt salinity range * 0.00 to 20.00 g/L TDS range * 0.0 to 50.0°C temperature range * 0.10 mS conductivity resolution * 0.05 ppt salinity resolution * 0.03 to 0.10 g/L TDS resolution * ±1% full scale and ±2% full scale when reading is > 10.00 mS conductivity accuracy * ±1% full scale and ±2% full scale when reading is > 5.00 ppt salinity accuracy * ±1% full scale and ±2% full scale when reading is > 10.00 g/L TDS accuracy * Adjustable temperature reference (15 to 25 °C) * Adjustable temperature coefficient percentage (0 to 4.00) * Adjustable TDS factor (0.30 to 1.00) * Temperature display in °C or °F * Displays last calibration date Calibration • Step-by-step guided calibration procedure Miscellaneous • Displays Bluetooth conductivity tester’s battery life • Pause readings (Hold) ▶ About Jenco Jenco is a family-operated manufacturer with 45 years of specialization in designing and producing water quality instruments. For more information about our Bluetooth conductivity tester, please visit https://www.jencoi.com/wand

About

JustGuard

Features
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JustGuard – your ultimate security companion! We get it. In today’s digital world, our phones are our life. That’s why we created JustGuard – a robust security checker that works quietly in the background to keep your device safe, stable, and protected, so you can focus on what matters. Smart security monitoring. From potential threats to unexpected vulnerabilities, our app stays one step ahead. It checks, it monitors, and it alerts you before you even realize something's off. No hassle, just peace of mind. Real-time protection. We ensure that your device stays up-to-date and shielded from the latest cyber risks. Constant scans, quick fixes, and zero interruptions to your daily routine. More than just security—our app also checks your system for stability. That means fewer crashes, better performance, and a phone that feels as fresh as day one. Your safety, our priority.  We’ve packed JustGuard with advanced tools to protect your personal data and privacy. Think of it as your digital bodyguard—quiet, invisible, but always watching your back. For more information, refer to our: Privacy Policy - https://justguard-security.com/policy.html Terms & Conditions - https://justguard-security.com/terms.html Need assistance or have questions?  Contact our support team at support@justguard-security.com

Screenshots

Conductivity Basic for EC111B3 screens
JustGuard4 screens

Verdict

The call

The clearest difference is update cadence: JustGuard at monthly against Conductivity Basic for EC111B's every 15 months. Conductivity Basic for EC111B's advantage is iOS requirement (9.0 vs 16). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Conductivity Basic for EC111B ships an update every 15 months, JustGuard monthly. The most recent releases landed on September 14, 2026 and September 12, 2026 respectively.

Scorecard2 real differences · 4 level
Conductivity Basic for EC111B versus JustGuard: the parameters behind the verdict, then further details
ParameterConductivity Basic for EC111BJustGuard
PriceFreeFree
Update frequencyEvery 15 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better16
Further details — not scored
Size18 MB44 MB
Age rating4+4+
DeveloperJenco Instruments, Inc.INFORMED RECRUiTMENT LTD

In-app purchases

None

Conductivity Basic for EC111B

No in-app purchases

None

JustGuard

No in-app purchases

Questions

Is Conductivity Basic for EC111B free?
Conductivity Basic for EC111B is free to download, with no in-app purchases.
Is JustGuard free?
JustGuard is free to download, with no in-app purchases.
Do Conductivity Basic for EC111B or JustGuard have ads?
Neither Conductivity Basic for EC111B nor JustGuard shows ads.
Which is updated more often, Conductivity Basic for EC111B or JustGuard?
Conductivity Basic for EC111B ships an update every 15 months, and JustGuard monthly. Most recently, Conductivity Basic for EC111B was updated on September 14, 2026 and JustGuard on September 12, 2026.

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