# CoilData vs ExxonMobil PSMS

The clearest difference is ratings volume: ExxonMobil PSMS at 19 against CoilData's 1. CoilData's advantage is iOS requirement (12.0 vs 18.5). On price, rating, update cadence and ads there is nothing between them.

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 — 4.0 for CoilData against 3.9 for ExxonMobil PSMS. That said, the two scores are not equally well evidenced: ExxonMobil PSMS has 19 ratings behind it against 1, so its average is the more settled of the two.

CoilData ships an update every 6 months, ExxonMobil PSMS every 4 months. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CoilData | ExxonMobil PSMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/coildata/id1459679576/reviews)** | [3.9 (19 ratings)](https://appshunter.io/ios/app/exxonmobil-psms/id6479717943/reviews) |
| Number of ratings | 1 | **19** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 14 MB | 178 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [CoilData LLC](https://appshunter.io/developer/1459679155) | [Exxon Mobil Corporation](https://appshunter.io/developer/528788995) |

## What reviewers say

### CoilData

[App page](https://appshunter.io/ios/app/coildata/id1459679576)

Manage coiled tubing operations with this app. Track string fatigue, view deployment status, and access historical records. Plan upcoming jobs, retrieve dispatch information, and log activity with timely notifications.

**Highlights:** String fatigue and deployment status, Complete string history and records, Upcoming job schedule, Dispatch information retrieval, Activity logging, Job progress notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### ExxonMobil PSMS

[App page](https://appshunter.io/ios/app/exxonmobil-psms/id6479717943)

This app provides field workers with essential references to enhance safety management and reduce workplace injuries. It incorporates human performance concepts and promotes effective safety engagement to reinforce a culture of care and leadership.

**Highlights:** Safety checks on safeguards, Human performance concepts, Effective safety engagement, Workforce safety capability, Leadership expectations, Field worker references

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

**In-app purchases:** none


## Frequently asked questions

### Is CoilData free?

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

### Is ExxonMobil PSMS free?

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

### Which has better reviews, CoilData or ExxonMobil PSMS?

CoilData is rated higher. CoilData averages 4.0 out of 5 from 1 ratings, while ExxonMobil PSMS averages 3.9 from 19 ratings.

### Do CoilData or ExxonMobil PSMS have ads?

Neither CoilData nor ExxonMobil PSMS shows ads.

### Which is updated more often, CoilData or ExxonMobil PSMS?

CoilData ships an update every 6 months, and ExxonMobil PSMS every 4 months. Most recently, CoilData was updated on October 5, 2026 and ExxonMobil PSMS on October 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.*