# iWell vs zdSCADA

The clearest difference is rating: zdSCADA at 4.3 against iWell's 4.0. iWell's advantage is update cadence (monthly vs every 3 months). On price, ratings volume, ads and in-app purchases 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 4.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

iWell ships an update monthly, zdSCADA every 3 months. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | iWell | zdSCADA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/iwell/id511118809/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/zdscada/id1013876842/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 124 MB | 8 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Designio](https://appshunter.io/developer/506446257) | [zdSCADA, L.P.](https://appshunter.io/developer/1013876841) |

## What reviewers say

### iWell

[App page](https://appshunter.io/ios/app/iwell/id511118809)

Monitor real-time and historical production metrics for your wells and regions. Make informed business decisions with personalized data views tailored to your company role, helping to avoid costly downtime.

**Highlights:** Real-time production metrics, Historical production data, Production region monitoring, Personalized data views, Avoid costly downtime, Informed business decisions

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iWell free?

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

### Is zdSCADA free?

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

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

zdSCADA is rated higher. iWell averages 4.0 out of 5 from 4 ratings, while zdSCADA averages 4.3 from 3 ratings.

### Do iWell or zdSCADA have ads?

Neither iWell nor zdSCADA shows ads.

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

iWell ships an update monthly, and zdSCADA every 3 months. Most recently, iWell was updated on September 13, 2026 and zdSCADA on September 15, 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.*