# SLB Events vs FieldsONE

The clearest difference is ads: FieldsONE at none against SLB Events's shown. FieldsONE also leads on update cadence (every 9 days vs every 9 months) and iOS requirement (15 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

SLB Events ships an update every 9 months, FieldsONE every 9 days. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SLB Events | FieldsONE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 9 days** |
| Size | 61 MB | 64 MB |
| Requires iOS | 17.0 | **15** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Schlumberger Technology Corporation](https://appshunter.io/developer/380098290) | [ITFORCE TECHNOLOGY DMCC](https://appshunter.io/developer/1777732762) |

## What reviewers say

### SLB Events

[App page](https://appshunter.io/ios/app/slb-events/id6443736251)

**In-app purchases:** none


### FieldsONE

[App page](https://appshunter.io/ios/app/fieldsone/id6739037645)

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

**In-app purchases:** none


## Frequently asked questions

### Is SLB Events free?

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

### Is FieldsONE free?

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

### Do SLB Events or FieldsONE have ads?

SLB Events shows ads; FieldsONE does not.

### Which is updated more often, SLB Events or FieldsONE?

SLB Events ships an update every 9 months, and FieldsONE every 9 days. Most recently, SLB Events was updated on September 24, 2026 and FieldsONE on September 18, 2026.

---

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