# Selman Surface Logging vs BaselineZ

Selman Surface Logging and BaselineZ are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

On the App Store both sit at effectively the same score — 5.0 for Selman Surface Logging against 5.0 for BaselineZ. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Selman Surface Logging ships an update every 6 weeks, BaselineZ every 2 months. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Selman Surface Logging | BaselineZ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/selman-surface-logging/id852871982/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/baselinez/id1482113574/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 16 MB | 335 MB |
| Requires iOS | **10.3** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Selman & Associates](https://appshunter.io/developer/852871985) | [Craytive Technologies BV](https://appshunter.io/developer/1468250370) |

## What reviewers say

### Selman Surface Logging

[App page](https://appshunter.io/ios/app/selman-surface-logging/id852871982)

Monitor the status of all your wells from your mobile device. View real-time streaming data and sort wells by proximity to your location for up-to-date well logs.

**Highlights:** Real-time streaming data, Well status monitoring, Sort wells by proximity, Mobile well log access, Pocket-sized rig management

**Features:** macOS Compatibility

**In-app purchases:** none


### BaselineZ

[App page](https://appshunter.io/ios/app/baselinez/id1482113574)

Visualize and collaborate on 3D geoscience models in augmented reality. Interact with colleagues' avatars, share knowledge, and make decisions faster. Enhance 2D workflows with immersive 3D subsurface project collaboration from anywhere.

**Highlights:** 3D geological model visualization in AR, Collaborate with colleague avatars, AR Geology Sketch tool, Data visualization features, Create and upload 3D models, Web portal access, Cross-device compatibility (VR, MR, AR)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Selman Surface Logging free?

Selman Surface Logging is free to download, with no in-app purchases.

### Is BaselineZ free?

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

### Which has better reviews, Selman Surface Logging or BaselineZ?

Selman Surface Logging and BaselineZ are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Selman Surface Logging or BaselineZ have ads?

Neither Selman Surface Logging nor BaselineZ shows ads.

### Which is updated more often, Selman Surface Logging or BaselineZ?

Selman Surface Logging ships an update every 6 weeks, and BaselineZ every 2 months. Most recently, Selman Surface Logging was updated on October 2, 2026 and BaselineZ on October 5, 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.*