# US Fire Pump vs CertLocker

The clearest difference is in-app purchases: US Fire Pump at none against CertLocker's 4. US Fire Pump also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 6 months). On price and device support there is nothing between them.

Both are free to download. CertLocker sells 4 in-app purchases, starting at $0.99 per month. US Fire Pump asks for nothing beyond the download.

US Fire Pump ships an update every 3 weeks, CertLocker every 6 months. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | US Fire Pump | CertLocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/us-fire-pump/id1507974220/reviews)** | — |
| Number of ratings | **9** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 82 MB | 64 MB |
| Requires iOS | **10.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [US Fire Pump Company, LLC](https://appshunter.io/developer/1507974219) | [Firecal LLC](https://appshunter.io/developer/1710030387) |

## What reviewers say

### US Fire Pump

[App page](https://appshunter.io/ios/app/us-fire-pump/id1507974220)

This app provides access to a comprehensive line of high-velocity and submersible fire pumps, along with supplemental fire equipment for municipal and industrial professionals. It also highlights the company's extensive emergency response team and global equipment fleet.

**Highlights:** High-velocity fire pumps, Submersible pumps, Supplemental fire equipment, Emergency response team, Global equipment fleet

**Features:** macOS Compatibility

**In-app purchases:** none


### CertLocker

[App page](https://appshunter.io/ios/app/certlocker/id6468518382)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Responder (Monthly) | $0.99 | per month |
| Officer (Monthly) | $4.99 | per month |
| Responder (Yearly) | $9.99 | per year |
| Officer (Yearly) | $49.99 | per year |


## Frequently asked questions

### Is US Fire Pump free?

US Fire Pump is free to download, with no in-app purchases.

### Is CertLocker free?

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

### Do US Fire Pump or CertLocker have ads?

CertLocker shows ads; US Fire Pump does not.

### Which is updated more often, US Fire Pump or CertLocker?

US Fire Pump ships an update every 3 weeks, and CertLocker every 6 months. Most recently, US Fire Pump was updated on September 20, 2026 and CertLocker on September 22, 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.*