# Fire Pump Operator vs GEN

The clearest difference is review sentiment: GEN at 100% against Fire Pump Operator's 0%. Fire Pump Operator's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Fire Pump Operator sells 2 in-app purchases, starting at $1.99 per month and GEN sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fire Pump Operator ships an update every 2 days, GEN every 3 days. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Fire Pump Operator | GEN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gen-b/id6769944250/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Paid | Paid |
| Size | 48 MB | 208 MB |
| Requires iOS | **13.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Digital Training Systems Incorporated](https://appshunter.io/developer/320642446) | [Precision Broadcast Engineering LLC](https://appshunter.io/developer/1896702805) |

## What reviewers say

### Fire Pump Operator

[App page](https://appshunter.io/ios/app/fire-pump-operator/id1044180312)

This app assists fire pump operators in calculating engine pressure using a standard formula. It allows for the addition of multiple friction losses, appliances, and elevations, and offers the ability to save and modify entries. Users can also adjust default coefficients and access other relevant calculators.

**Highlights:** Engine Pressure calculation, Add friction losses, appliances, elevations, Save and modify entries, Adjust IFSTA coefficients, Head Pressure calculator, NFA Formula calculator

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fire Pump Operator Pro | $1.99 | per month |
| Fire Pump Operator Pro | $19.99 | per year |


### GEN

[App page](https://appshunter.io/ios/app/gen-b/id6769944250)

This tool generates professional video reference signals and offers display analysis capabilities for broadcast engineers and AV professionals. It helps test, troubleshoot, and evaluate video paths, routing systems, and displays with advanced signal quality features.

**Highlights:** Professional test patterns, Video reference clips, Multiple video formats and frame rates, RasterScope Analysis, SWEEP technology, External display output

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GEN-B Lifetime Unlock | $29.99 | one-time |


## Frequently asked questions

### Is Fire Pump Operator free?

Fire Pump Operator is free to download, with in-app purchases available.

### Is GEN free?

GEN is free to download, with in-app purchases available.

### Do Fire Pump Operator or GEN have ads?

Neither Fire Pump Operator nor GEN shows ads.

### Which is updated more often, Fire Pump Operator or GEN?

Fire Pump Operator ships an update every 2 days, and GEN every 3 days. Most recently, Fire Pump Operator was updated on October 7, 2026 and GEN on October 15, 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.*