# ExxonMobil PSMS vs Base Line Data

The clearest difference is iOS requirement: Base Line Data at 15.6 against ExxonMobil PSMS's 18.5. On price, update cadence, 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.

ExxonMobil PSMS ships an update every 4 months, Base Line Data every 6 months. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ExxonMobil PSMS | Base Line Data |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (19 ratings)](https://appshunter.io/ios/app/exxonmobil-psms/id6479717943/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | — |
| Size | 178 MB | 13 MB |
| Requires iOS | 18.5 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Exxon Mobil Corporation](https://appshunter.io/developer/528788995) | [Base Line Data, Inc.](https://appshunter.io/developer/1789253367) |

## What reviewers say

### 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


### Base Line Data

[App page](https://appshunter.io/ios/app/base-line-data/id6740256181)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ExxonMobil PSMS free?

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

### Is Base Line Data free?

Base Line Data is free to download, with no in-app purchases.

### Do ExxonMobil PSMS or Base Line Data have ads?

Neither ExxonMobil PSMS nor Base Line Data shows ads.

### Which is updated more often, ExxonMobil PSMS or Base Line Data?

ExxonMobil PSMS ships an update every 4 months, and Base Line Data every 6 months. Most recently, ExxonMobil PSMS was updated on September 9, 2026 and Base Line Data on September 13, 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.*