# Emergency Plus vs RTI Density Gauge R2

The clearest difference is device support: Emergency Plus at 3 against RTI Density Gauge R2's 1. RTI Density Gauge R2's advantage is iOS requirement (12.4 vs 15.1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Emergency Plus ships an update every 9 months, RTI Density Gauge R2 every 10 months. The most recent releases landed on October 26, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Emergency Plus | RTI Density Gauge R2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/emergency-plus/id691814685/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 48.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 10 months |
| Monetization | Free | — |
| Size | 42 MB | 4 MB |
| Requires iOS | 15.1 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [National Triple Zero Awareness Work Group](https://appshunter.io/developer/963596999) | [CCIC Pty Ltd](https://appshunter.io/developer/374184563) |

## What reviewers say

### Emergency Plus

[App page](https://appshunter.io/ios/app/emergency-plus/id691814685)

This app helps you quickly call emergency services and accurately share your location. It provides direct access to Triple Zero (000) and other essential emergency numbers, utilizing GPS and what3words for precise location identification, even offline.

**Highlights:** Quick emergency calls, Accurate location sharing, GPS functionality, what3words integration, Offline location support, Access to Triple Zero (000)

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great idea and concept
- 🚀 Works well for many users
- 💡 Useful in emergencies
- ✅ Easy to use
- 📍 Accurate location sharing

**What reviewers complain about**

- 🐛 Crashes frequently
- ❌ Unreliable GPS/address
- 🔴 Poor color contrast
- 🚫 Not backward compatible
- 📱 Requires latest OS

**Reported bugs**

- App crashes seconds after opening
- Call drops out
- Address shown is incorrect
- GPS location inaccurate
- App crashes on older iPhones (iPhone 8)

**Requested features**

- Ability to copy/paste GPS location
- Changeable font colors
- Save home/work addresses
- Add metronome for CPR cadence
- Flashing screen for CPR cadence


### RTI Density Gauge R2

[App page](https://appshunter.io/ios/app/rti-density-gauge-r2/id832927419)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Emergency Plus free?

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

### Is RTI Density Gauge R2 free?

RTI Density Gauge R2 is free to download, with no in-app purchases.

### Do Emergency Plus or RTI Density Gauge R2 have ads?

Neither Emergency Plus nor RTI Density Gauge R2 shows ads.

### Which is updated more often, Emergency Plus or RTI Density Gauge R2?

Emergency Plus ships an update every 9 months, and RTI Density Gauge R2 every 10 months. Most recently, Emergency Plus was updated on October 26, 2026 and RTI Density Gauge R2 on September 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*