Lambert vs MOCA Mobile Engagement
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.
MOCA Mobile Engagement
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Easily manage, demo and test your MOCA Mobile Engagement Campaigns with this companion App. MocaApp will let you previsualize your campaigns. Detect locations such as geofences and bluetooth beacons, or manually trigger any campaign you want to dryrun before going live.
Screenshots
Verdict
The clearest difference is ads: Lambert at none against MOCA Mobile Engagement's shown. MOCA Mobile Engagement's advantage is iOS requirement (12.0 vs 16.6). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Lambert ships an update every 5 months, MOCA Mobile Engagement every 3 months. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.
| Parameter | Lambert | MOCA Mobile Engagement |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Appel | InnoQuant Strategic Analytics SL |
In-app purchases
Lambert
No in-app purchases
MOCA Mobile Engagement
No in-app purchases
Questions
Is Lambert free?
Is MOCA Mobile Engagement free?
Do Lambert or MOCA Mobile Engagement have ads?
Which is updated more often, Lambert or MOCA Mobile Engagement?
Other comparisons
