# Fire Pump Operator vs Osaki Ekon

The clearest difference is in-app purchases: Osaki Ekon at none against Fire Pump Operator's 2. Osaki Ekon also leads on iOS requirement (8.0 vs 13.0). Fire Pump Operator's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Fire Pump Operator sells 2 in-app purchases, starting at $1.99 per month. Osaki Ekon asks for nothing beyond the download.

Fire Pump Operator ships an update every 2 days, Osaki Ekon every 3 weeks. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Fire Pump Operator | Osaki Ekon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (3 ratings)](https://appshunter.io/ios/app/osaki-ekon/id1387377465/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Paid | **Free** |
| Size | 48 MB | 10 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Digital Training Systems Incorporated](https://appshunter.io/developer/320642446) | [michael cha](https://appshunter.io/developer/1387377464) |

## 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 |


### Osaki Ekon

[App page](https://appshunter.io/ios/app/osaki-ekon/id1387377465)

Experience a full-body massage with advanced features like L-track rollers, calf kneading, and foot massage. Enjoy personalized comfort with 3D massage, zero gravity, and backrest scanning. Connect via Bluetooth for an enhanced relaxation session.

**Highlights:** L Track Roller Design, Calf Roller & Kneading Massage, Foot Roller Massage, Bluetooth Speaker Connection, 3D Massage Technology, Space Saving Design, Backrest Scanning, Zero Gravity Position

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fire Pump Operator free?

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

### Is Osaki Ekon free?

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

### Do Fire Pump Operator or Osaki Ekon have ads?

Neither Fire Pump Operator nor Osaki Ekon shows ads.

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

Fire Pump Operator ships an update every 2 days, and Osaki Ekon every 3 weeks. Most recently, Fire Pump Operator was updated on October 7, 2026 and Osaki Ekon on October 4, 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.*