# Screw Conveyor Pro vs Tracker Detector

The clearest difference is review sentiment: Tracker Detector at 67% against Screw Conveyor Pro's 0%. Tracker Detector also leads on update cadence (every 2 days vs every 41 months) and price ($0.99 vs $3.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Screw Conveyor Pro costs $3.99 and Tracker Detector $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Screw Conveyor Pro ships an update every 41 months, Tracker Detector every 2 days. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Screw Conveyor Pro | Tracker Detector |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/tracker-detector/id6738701716/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 1 MB | 7 MB |
| Requires iOS | **16.1** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [Jeremy Yablan](https://appshunter.io/developer/1781747583) |

## What reviewers say

### Screw Conveyor Pro

[App page](https://appshunter.io/ios/app/screw-conveyor-pro/id1487421019)

Calculate screw conveyor capacity, speed, and power requirements with this utility app. It requires specific inputs like screw diameter, RPM, and material properties to provide accurate engineering calculations for professionals in fabrication and conveying equipment manufacturing.

**Highlights:** Calculate material carrying capacity, Calculate conveyor speed, Calculate screw conveyor power requirement, Input screw diameter, Input material specific gravity, Input conveyor length

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

**In-app purchases:** none


### Tracker Detector

[App page](https://appshunter.io/ios/app/tracker-detector/id6738701716)

This app helps you detect and locate Bluetooth trackers that may be used to monitor your movements without consent. It offers real-time scanning, precision locating with signal strength monitoring, and smart alerts for new or following trackers. All data is stored locally for enhanced privacy.

**Highlights:** Real-time Bluetooth tracker scanning, Precision locator with signal strength, Smart alerts for new or following trackers, Device whitelisting for known trackers, Battery-efficient scanning algorithms, Local data storage for privacy

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Screw Conveyor Pro free?

Screw Conveyor Pro costs $3.99, with no in-app purchases.

### Is Tracker Detector free?

Tracker Detector costs $0.99, with no in-app purchases.

### Do Screw Conveyor Pro or Tracker Detector have ads?

Neither Screw Conveyor Pro nor Tracker Detector shows ads.

### Which is updated more often, Screw Conveyor Pro or Tracker Detector?

Screw Conveyor Pro ships an update every 41 months, and Tracker Detector every 2 days. Most recently, Screw Conveyor Pro was updated on November 3, 2026 and Tracker Detector on November 9, 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.*