# zdSCADA vs Gemini Tracker

The clearest difference is rating: zdSCADA at 4.3 against Gemini Tracker's 1.5. Gemini Tracker's advantage is update cadence (every 4 days vs every 3 months) and ratings volume (97 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

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

zdSCADA holds the better App Store score, 4.3 against 1.5. That said, the two scores are not equally well evidenced: Gemini Tracker has 97 ratings behind it against 3, so its average is the more settled of the two.

zdSCADA ships an update every 3 months, Gemini Tracker every 4 days. The most recent releases landed on September 15, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | zdSCADA | Gemini Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/zdscada/id1013876842/reviews)** | [1.5 (97 ratings)](https://appshunter.io/ios/app/gemini-tracker/id1240223586/reviews) |
| Number of ratings | 3 | **97** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 8 MB | 54 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [zdSCADA, L.P.](https://appshunter.io/developer/1013876841) | [Gemini Shale Solutions, LLC](https://appshunter.io/developer/1240223585) |

## What reviewers say

### zdSCADA

[App page](https://appshunter.io/ios/app/zdscada/id1013876842)

This mobile application offers data collection and monitoring for electronic devices within the oil and gas sector. It extends a web-based solution to a mobile platform, catering exclusively to existing customers.

**Highlights:** Data collection, Device monitoring, Oil and gas industry focus, Mobile platform extension, Web-based solution integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Gemini Tracker

[App page](https://appshunter.io/ios/app/gemini-tracker/id1240223586)

This digital field management tool connects oil and gas companies with service providers for transparent logistics. It digitizes oilfield operations, supports all service types, and offers real-time analytics and location visibility.

**Highlights:** Digital field management, Service provider interaction, Real-time analytics, Location visibility, Digitizes oilfield operations, Supports all service types

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is zdSCADA free?

zdSCADA is free to download, with no in-app purchases.

### Is Gemini Tracker free?

Gemini Tracker is free to download, with no in-app purchases.

### Which has better reviews, zdSCADA or Gemini Tracker?

zdSCADA is rated higher. zdSCADA averages 4.3 out of 5 from 3 ratings, while Gemini Tracker averages 1.5 from 97 ratings.

### Do zdSCADA or Gemini Tracker have ads?

Neither zdSCADA nor Gemini Tracker shows ads.

### Which is updated more often, zdSCADA or Gemini Tracker?

zdSCADA ships an update every 3 months, and Gemini Tracker every 4 days. Most recently, zdSCADA was updated on September 15, 2026 and Gemini Tracker on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*