# BackTrace Mobile vs ML Armory

The clearest difference is rating: BackTrace Mobile at 3.0 against ML Armory's 1.0. BackTrace Mobile also leads on in-app purchases (none vs 2) and review sentiment (33% vs 0%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ML Armory sells 2 in-app purchases, starting at $2.99 per month. BackTrace Mobile asks for nothing beyond the download.

BackTrace Mobile holds the better App Store score, 3.0 against 1.0. That said, the two scores are not equally well evidenced: BackTrace Mobile has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of BackTrace Mobile's written reviews are positive against 0% of ML Armory's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on June 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | BackTrace Mobile | ML Armory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (7 ratings)](https://appshunter.io/ios/app/backtrace-mobile/id6447448292/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/ml-armory/id6758988790/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 65 MB | 31 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [GTBM Inc](https://appshunter.io/developer/1585421981) | [Raffaele Allocca](https://appshunter.io/developer/1876169588) |

## What reviewers say

### BackTrace Mobile

[App page](https://appshunter.io/ios/app/backtrace-mobile/id6447448292)

This investigative tool allows law enforcement agencies to search for individuals who have been arrested and their interactions with law enforcement. It is a unique service feature paired with specific software.

**Highlights:** Search arrested persons, View law enforcement interactions, Investigative tool, Paired with GTBM software

**Features:** macOS Compatibility

**In-app purchases:** none


### ML Armory

[App page](https://appshunter.io/ios/app/ml-armory/id6758988790)

Manage your firearms, track shooting sessions, and log ammunition details. Features advanced reloading support and chronograph data. Keep all your shooting-related information organized in one place.

**Highlights:** Firearm organization, Shooting session logging, Ammunition tracking, Advanced reloading support, Chronograph data recording, iCloud backup

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $29.99 | per year |


## Frequently asked questions

### Is BackTrace Mobile free?

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

### Is ML Armory free?

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

### Which has better reviews, BackTrace Mobile or ML Armory?

BackTrace Mobile is rated higher. BackTrace Mobile averages 3.0 out of 5 from 7 ratings, while ML Armory averages 1.0 from 1 ratings.

### Do BackTrace Mobile or ML Armory have ads?

Neither BackTrace Mobile nor ML Armory shows ads.

### Which is updated more often, BackTrace Mobile or ML Armory?

BackTrace Mobile ships an update weekly, and ML Armory weekly. Most recently, BackTrace Mobile was updated on June 29, 2026 and ML Armory on September 23, 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.*