# zdSCADA vs GreaseBook

The clearest difference is update cadence: GreaseBook at every 11 days against zdSCADA's every 3 months. GreaseBook also leads on ratings volume (63 vs 3). zdSCADA's advantage is rating (4.3 vs 3.9). 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 3.9. That said, the two scores are not equally well evidenced: GreaseBook has 63 ratings behind it against 3, so its average is the more settled of the two.

zdSCADA ships an update every 3 months, GreaseBook every 11 days. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | zdSCADA | GreaseBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/zdscada/id1013876842/reviews)** | [3.9 (63 ratings)](https://appshunter.io/ios/app/greasebook/id1035217729/reviews) |
| Number of ratings | 3 | **63** |
| Positive reviews | — | 85.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 8 MB | 220 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [zdSCADA, L.P.](https://appshunter.io/developer/1013876841) | [GreaseBook, LLC](https://appshunter.io/developer/543622294) |

## 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


### GreaseBook

[App page](https://appshunter.io/ios/app/greasebook/id1035217729)

Streamline oil and gas production reporting with this mobile solution. Operators can collect data, submit reports, and communicate with field teams in real-time. Pumpers can eliminate paper reports and ensure timely payments by submitting digital updates.

**Highlights:** Field data collection, Digital report submission, Real-time communication, Photo capture of run tickets, Organized production data, Eliminate paper reports

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

**In-app purchases:** none


## Frequently asked questions

### Is zdSCADA free?

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

### Is GreaseBook free?

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

### Which has better reviews, zdSCADA or GreaseBook?

zdSCADA is rated higher. zdSCADA averages 4.3 out of 5 from 3 ratings, while GreaseBook averages 3.9 from 63 ratings.

### Do zdSCADA or GreaseBook have ads?

Neither zdSCADA nor GreaseBook shows ads.

### Which is updated more often, zdSCADA or GreaseBook?

zdSCADA ships an update every 3 months, and GreaseBook every 11 days. Most recently, zdSCADA was updated on October 19, 2026 and GreaseBook on October 13, 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.*