# MobileDetect vs LETS Transmitter

The clearest difference is rating: LETS Transmitter at 5.0 against MobileDetect's 4.4. LETS Transmitter also leads on update cadence (weekly vs every 5 weeks). MobileDetect's advantage is ratings volume (25 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

LETS Transmitter holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: MobileDetect has 25 ratings behind it against 1, so its average is the more settled of the two.

MobileDetect ships an update every 5 weeks, LETS Transmitter weekly. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | MobileDetect | LETS Transmitter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (25 ratings)](https://appshunter.io/ios/app/mobiledetect/id1088331100/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lets-transmitter/id1495855913/reviews)** |
| Number of ratings | **25** | 1 |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 206 MB | 38 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [DetectaChem, LLC](https://appshunter.io/developer/1088331099) | [LETS - A Law Enforcement Technologies Corporation](https://appshunter.io/developer/990789778) |

## What reviewers say

### MobileDetect

[App page](https://appshunter.io/ios/app/mobiledetect/id1088331100)

This app transforms your smartphone into a presumptive drug detection tool using specialized test pouches. It offers automated results in seconds for a wide range of substances, with features for report creation and sharing.

**Highlights:** Automated drug detection, Detects multiple substances, Non-visible residue testing, Test reports with GPS and images, Instant report sharing, Tutorial mode and training videos

**Features:** Vision Pro support

**In-app purchases:** none


### LETS Transmitter

[App page](https://appshunter.io/ios/app/lets-transmitter/id1495855913)

Record your daily experiences with private remote storage for videos and audio. Track your routes with location data and easily switch cameras or use the flash. Save and view your recordings later.

**Highlights:** Private remote storage, Location tracking for routes, Video or audio recording, Background audio recording, Log of recordings and routes, Camera flash access, Front/back camera switching

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MobileDetect free?

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

### Is LETS Transmitter free?

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

### Which has better reviews, MobileDetect or LETS Transmitter?

LETS Transmitter is rated higher. MobileDetect averages 4.4 out of 5 from 25 ratings, while LETS Transmitter averages 5.0 from 1 ratings.

### Do MobileDetect or LETS Transmitter have ads?

Neither MobileDetect nor LETS Transmitter shows ads.

### Which is updated more often, MobileDetect or LETS Transmitter?

MobileDetect ships an update every 5 weeks, and LETS Transmitter weekly. Most recently, MobileDetect was updated on September 20, 2026 and LETS Transmitter on September 22, 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.*