# WFRD Events vs SLB Events

The clearest difference is ads: WFRD Events at none against SLB Events's shown. WFRD Events also leads on update cadence (every 5 weeks vs every 9 months) and iOS requirement (14.0 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.

WFRD Events ships an update every 5 weeks, SLB Events every 9 months. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | WFRD Events | SLB Events |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 9 months |
| Size | 56 MB | 61 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Weatherford International, Ltd.](https://appshunter.io/developer/958310251) | [Schlumberger Technology Corporation](https://appshunter.io/developer/380098290) |

## What reviewers say

### WFRD Events

[App page](https://appshunter.io/ios/app/wfrd-events/id1450436625)

**Features:** macOS Compatibility

**In-app purchases:** none


### SLB Events

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

**In-app purchases:** none


## Frequently asked questions

### Is WFRD Events free?

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

### Is SLB Events free?

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

### Do WFRD Events or SLB Events have ads?

SLB Events shows ads; WFRD Events does not.

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

WFRD Events ships an update every 5 weeks, and SLB Events every 9 months. Most recently, WFRD Events was updated on October 7, 2026 and SLB Events on September 24, 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.*