# Air vs E

Air and E are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Air against 5.0 for E. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Air | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/air-pak-x3-pro/id1370113131/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/e-force-sli/id6449679204/reviews) |
| Number of ratings | **4** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 43 MB | 39 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [3M Company](https://appshunter.io/developer/396772465) | [Rescue Digital Systems Gmbh](https://appshunter.io/developer/1533789837) |

## What reviewers say

### Air

[App page](https://appshunter.io/ios/app/air-pak-x3-pro/id1370113131)

This utility app allows firefighters to easily update configuration settings and download data from their 3M™ Scott™ Air-Pak™ X3 Pro SCBA. It supports settings for the E-Z Flo C5 regulator and ensures compliance with the latest NFPA standards.

**Highlights:** Update SCBA configuration settings, Download data from SCBA, Supports E-Z Flo C5 regulator settings, Ensures NFPA 2018 Edition compliance, Designed for firefighter safety and comfort

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-force-sli/id6449679204)

Access all your E-FORCE SLi battery rescue tools in one place. This application from GENESIS RESCUE SYSTEMS provides essential functionalities for managing and utilizing your rescue equipment.

**Highlights:** Battery rescue tool access, E-FORCE SLi system management, GENESIS RESCUE SYSTEMS tools, Integrated functionalities

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Air free?

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

### Is E free?

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

### Which has better reviews, Air or E?

Air and E are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do Air or E have ads?

Neither Air nor E shows ads.

### Which is updated more often, Air or E?

Air ships an update every 3 months, and E every 3 months. Most recently, Air was updated on October 24, 2026 and E on October 14, 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.*