# Mobile REMM vs IMT

The clearest difference is rating: IMT at 5.0 against Mobile REMM's 3.4. IMT also leads on review sentiment (100% vs 67%). Mobile REMM's advantage is in-app purchases (none vs 3) and ratings volume (5 vs 1). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. IMT sells 3 one-off in-app purchases. Mobile REMM asks for nothing beyond the download.

IMT holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Mobile REMM has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Mobile REMM's written reviews are positive against 100% of IMT's.

Mobile REMM ships an update every 6 months, IMT every 4 months. The most recent releases landed on August 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Mobile REMM | IMT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/mobile-remm/id372600451/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/imt-methane/id966868178/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 8 MB | 7 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Assistant Secretary for Preparedness and Response](https://appshunter.io/developer/1573415809) | [RGB Consulting Limited](https://appshunter.io/developer/368207904) |

## What reviewers say

### Mobile REMM

[App page](https://appshunter.io/ios/app/mobile-remm/id372600451)

Provides guidance for healthcare providers on the clinical diagnosis and treatment of radiation injury. Offers downloadable information, patient management algorithms, dose estimators, and triage tools for radiological and nuclear emergencies.

**Highlights:** Clinical diagnosis and treatment guidance, Radiation injury management algorithms, Dose estimator for radiation exposure, Adult and pediatric triage tools, Information on isotopes of interest, Radiation countermeasures, Emergency contact information

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

**In-app purchases:** none


### IMT

[App page](https://appshunter.io/ios/app/imt-methane/id966868178)

This tool helps emergency responders quickly and reliably construct METHANE or ETHANE messages during major incidents. Designed by experienced responders, it simplifies recalling critical information under pressure to ensure timely and appropriate emergency responses.

**Highlights:** METHANE acronym reporting, ETHANE acronym reporting, Intuitive interface, Quick message building, Reliable incident reporting, Designed by emergency responders

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $3.99 | one-time |


## Frequently asked questions

### Is Mobile REMM free?

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

### Is IMT free?

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

### Which has better reviews, Mobile REMM or IMT?

IMT is rated higher. Mobile REMM averages 3.4 out of 5 from 5 ratings, while IMT averages 5.0 from 1 ratings.

### Do Mobile REMM or IMT have ads?

Neither Mobile REMM nor IMT shows ads.

### Which is updated more often, Mobile REMM or IMT?

Mobile REMM ships an update every 6 months, and IMT every 4 months. Most recently, Mobile REMM was updated on August 15, 2026 and IMT on September 10, 2026.

---

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