# Fathom Methanol Bunkering vs The OOW Bible

The clearest difference is in-app purchases: Fathom Methanol Bunkering at none against The OOW Bible's 5. The OOW Bible's advantage is update cadence (every 6 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. The OOW Bible sells 5 in-app purchases, starting at $2.99 per month. Fathom Methanol Bunkering asks for nothing beyond the download.

Fathom Methanol Bunkering ships an update every 2 weeks, The OOW Bible every 6 days. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Fathom Methanol Bunkering | The OOW Bible |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 871 MB | 101 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nipun Chatrath](https://appshunter.io/developer/1883625198) | [Azimuth Systems Ltd](https://appshunter.io/developer/1883659138) |

## What reviewers say

### Fathom Methanol Bunkering

[App page](https://appshunter.io/ios/app/fathom-methanol-bunkering/id6760282900)

**In-app purchases:** none


### The OOW Bible

[App page](https://appshunter.io/ios/app/the-oow-bible/id6760291715)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $39.99 | per year |
| 2 Oral Exam Sessions | $0.99 | one-time |
| 10 Oral Exam Sessions | $3.99 | one-time |


## Frequently asked questions

### Is Fathom Methanol Bunkering free?

Fathom Methanol Bunkering is free to download, with no in-app purchases.

### Is The OOW Bible free?

The OOW Bible is free to download, with in-app purchases available.

### Do Fathom Methanol Bunkering or The OOW Bible have ads?

Neither Fathom Methanol Bunkering nor The OOW Bible shows ads.

### Which is updated more often, Fathom Methanol Bunkering or The OOW Bible?

Fathom Methanol Bunkering ships an update every 2 weeks, and The OOW Bible every 6 days. Most recently, Fathom Methanol Bunkering was updated on November 9, 2026 and The OOW Bible on November 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.*