Lambert vs ORP Basic for Jenco ORP650B
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lambert
This application transforms your iPhone into a specialized geological compass. It accurately measures the dip direction and angle of geological strata, displaying real-time orientation data. Measurements can be enhanced with text and plotted on a map for easy transfer to your computer.
- Geological compass functionality
- Measure dip direction and angle
- Real-time stereographic projection
- Wulff and Schmidt Net projection diagrams
- Add text to measurements
- Plot measurement localities on a map
- Transfer data to computer
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This app turns your iPhone into a geological compass, a tool for each geologist. It can be used to measure the direction of dip and the angle of dip of geological strata. The app shows the current device orientation in a realtime stereographic projection. The data can be previewed in projection diagrams (Wulff and Schmidt Net) and transferred to your computer. You can add text to the measurements and plot the measurement localities on a map.
ORP Basic for Jenco ORP650B
This app pairs with a Jenco ORP Bluetooth tester to provide accurate ORP and temperature readings. It offers guided calibration, a clear display of measurements, and useful features like calibration reminders and battery life indicators.
- Accurate ORP and temperature measurement
- Bluetooth pairing with Jenco tester
- Guided calibration procedures
- Reading quality indicator
- Displays tester battery life
- Pause readings (Hold)
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Designed with the everyday users in mind, the ORP Wand app, when paired with a Jenco ORP Bluetooth tester, is the simplest way to accurately measure ORP 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 ORP Bluetooth tester, which contain the sensors and the processing hardware that accurately converts analog ORP and temperature signals to digital signals. ▶ Easy to use with guided operations Thoughtful screen layout, guided calibration operations, jargon-free instructions deliver the best-in-class user experience. ▶ Quality readings Measure the full ORP range of \-1000 to 1000 mV with resolution of 1 mV and accuracy of +/- 1% full scale. 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 ORP and temperature readings at the same time • \-1000 to 1000 mV range • 0.0 to 50.0°C temperature range • 1 mV Reading resolution • +/- 1% full scale reading accuracy • Temperature display in °C or °F • Displays last calibration date Calibration • Step-by-step guided calibration procedure • ORP mV offset calibration Miscellaneous • Displays ORP Wand 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 the ORP Bluetooth tester, please visit https://www.jencoi.com/wand
Screenshots
Verdict
Lambert and ORP Basic for Jenco ORP650B both sit at 5.0 stars, but that hides the real split: 100% of ORP Basic for Jenco ORP650B's written reviews are positive against 75% of Lambert's. ORP Basic for Jenco ORP650B also leads on iOS requirement (9.0 vs 16.6). Lambert's advantage is update cadence (every 5 months vs every 15 months). On price, rating, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Lambert against 5.0 for ORP Basic for Jenco ORP650B. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews are what separate them: 75% of Lambert's written reviews are positive against 100% of ORP Basic for Jenco ORP650B's.
Lambert ships an update every 5 months, ORP Basic for Jenco ORP650B every 15 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | Lambert | ORP Basic for Jenco ORP650B |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (2 ratings) |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 5 months — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Appel | Jenco Instruments, Inc. |
Customer experience
Lambert
ORP Basic for Jenco ORP650B
In-app purchases
Lambert
No in-app purchases
ORP Basic for Jenco ORP650B
No in-app purchases
Questions
Is Lambert free?
Is ORP Basic for Jenco ORP650B free?
Which has better reviews, Lambert or ORP Basic for Jenco ORP650B?
Do Lambert or ORP Basic for Jenco ORP650B have ads?
Which is updated more often, Lambert or ORP Basic for Jenco ORP650B?
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