Comparison

GeoID vs zComms

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

Head to head
About

GeoID

A professional tool for measuring and analyzing geological structures. It features a geological compass, stereographic projection, and instability analysis with wireless data sharing capabilities.

Highlights
  • Geological compass
  • Stereographic projection
  • Instability analysis
  • Wireless data sharing
  • Analysis reports
  • Manual data input
Features
Read full description

* Note : This app uses built-in magnetometer, so iPod Touch does not provides direction of structure/device. GeoID is a professional tool for measuring and analyzing geological structures. This application includes geological compass, stereographic projection, instability analysis and wireless data sharing. • Features - The clinometer works with all attitude of the device and enables user to measure any structure - A stability indicator in the clinometer maximizes its accuracy - Provides many options including notation type, measurement interval, avarage calculation, projection type, etc. - Can input data manually using several input methods - Immediate projection and analysis of selected project - Provides stereonet-based slope stability analysis - Supports zooming while plotting/analyzing - Wireless data transferring via Bluetooth and E-mail - Generates analysis reports with stereonet images and sends them by e-mail - Supports all iOS devices Developed by Engineering Geology & GIS Lab., Dept. of Energy Systems Engineering, Seoul National University, South Korea. Prof. Hyeong Dong Park wishes to express thanks to Prof. Edward Keller and other faculty members of the Earth Sciences Department of University of California Santa Barbara for the useful suggestions and discussions on the improvement of GeoID during Prof. Park's academic visit from 2011-2013.

About

zComms

Transform your Ness security panel into a smart home hub. This application enables Z-Wave device control and push notifications through your mobile device via a Ness Z-Wave Gateway.

Highlights
  • Z-Wave device control
  • Smart home integration
  • Push notifications
  • Rule engine for automation
  • Remote access via mobile
Features
Read full description

Ness zComms turns your Ness D8 / D16 Security Panels into a smart home with Z-Wave Control. This app talks though the Ness Z-Wave Gateway to give your D8 / D16 alarm panel Z-Wave control with your mobile device. zComms has a simple and powerful rule engine to control your Z-Wave devices and receive push notifications over the internet. * Requires D8 / D16 version firmware 7.8 or above for D8/D16 integration. * Requires Ness IP232 Module (101-244) configured to your D8 / D16 for panel to work with app. Not included or supplied with Ness Z-Wave Gateway or App.

Screenshots

GeoID4 screens
zComms4 screens

Verdict

The call

The clearest difference is price: zComms at Free against GeoID's $5.99. GeoID's advantage is review sentiment (67% vs 33%) and iOS requirement (7.1 vs 12.0). On update cadence, 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

zComms is free to download; GeoID costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

GeoID ships an update every 6 weeks, zComms monthly. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
GeoID versus zComms: the parameters behind the verdict, then further details
ParameterGeoIDzComms
Price$5.99Free — better
Rating5.0 (3 ratings) — better—
Positive reviews66.7% of reviews — better33.3% of reviews
Number of ratings3 — better—
Update frequencyEvery 6 weeksMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS7.1 — better12.0
Further details — not scored
Size6 MB178 MB
Age rating4+4+
DeveloperSang Ho LeeNess Corporation Pty Limited

Customer experience

GeoID

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive66.7%
Neutral28.6%
Negative4.8%

zComms

Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

In-app purchases

None

GeoID

No in-app purchases

None

zComms

No in-app purchases

Questions

Is GeoID free?
GeoID costs $5.99, with no in-app purchases.
Is zComms free?
zComms is free to download, with no in-app purchases.
Do GeoID or zComms have ads?
Neither GeoID nor zComms shows ads.
Which is updated more often, GeoID or zComms?
GeoID ships an update every 6 weeks, and zComms monthly. Most recently, GeoID was updated on September 25, 2026 and zComms on September 23, 2026.

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