# IMT vs BITS

The clearest difference is in-app purchases: BITS at none against IMT's 3. BITS also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (16.0 vs 18.6). On price, ads and device support there is nothing between them.

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

IMT ships an update every 4 months, BITS every 2 months. The most recent releases landed on September 28, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | IMT | BITS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/imt-methane/id966868178/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 7 MB | 25 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [RGB Consulting Limited](https://appshunter.io/developer/368207904) | [Service Public Federal Sante Publique, Securite de la Chaine Alimentaire et Environnement](https://appshunter.io/developer/1520013580) |

## What reviewers say

### 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 |


### BITS

[App page](https://appshunter.io/ios/app/bits/id1620331754)

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

**In-app purchases:** none


## Frequently asked questions

### Is IMT free?

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

### Is BITS free?

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

### Do IMT or BITS have ads?

Neither IMT nor BITS shows ads.

### Which is updated more often, IMT or BITS?

IMT ships an update every 4 months, and BITS every 2 months. Most recently, IMT was updated on September 28, 2026 and BITS on September 15, 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.*