# Cross Product Calculator vs Flex Detect

The clearest difference is in-app purchases: Cross Product Calculator at none against Flex Detect's 4. Cross Product Calculator also leads on ads (none vs shown) and device support (3 vs 1). Flex Detect's advantage is update cadence (every 4 days vs every 3 weeks). On price there is nothing between them.

Both are free to download. Flex Detect sells 4 in-app purchases, starting at $8.99 per 7 days. Cross Product Calculator asks for nothing beyond the download.

Cross Product Calculator ships an update every 3 weeks, Flex Detect every 4 days. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Cross Product Calculator | Flex Detect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/flex-detect-camera-detector/id6747849841/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 22 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stage Coding](https://appshunter.io/developer/1637068135) | [Stephanie Moreno](https://appshunter.io/developer/1823110537) |

## What reviewers say

### Cross Product Calculator

[App page](https://appshunter.io/ios/app/cross-product-calculator/id1618535183)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flex Detect

[App page](https://appshunter.io/ios/app/flex-detect-camera-detector/id6747849841)

This app helps you understand your network environment by scanning for nearby Wi-Fi and Bluetooth connections. It provides details on connected devices and signal strength, offering clear reports on your network's visibility. Premium features unlock unlimited scans and advanced insights.

**Highlights:** Wi-Fi and Bluetooth scanning, Connection overview, View connected devices, Signal strength indicators, Detailed network reports, Premium features for advanced insights

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flex Detect: Camera Detector | $8.99 | per 7 days |
| flexDetectWeekly | $8.99 | per 7 days |
| flexDetectMonthly | $14.99 | per month |
| flexDetectMonthlyTrial | $15.99 | per month |


## Frequently asked questions

### Is Cross Product Calculator free?

Cross Product Calculator is free to download, with no in-app purchases.

### Is Flex Detect free?

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

### Do Cross Product Calculator or Flex Detect have ads?

Flex Detect shows ads; Cross Product Calculator does not.

### Which is updated more often, Cross Product Calculator or Flex Detect?

Cross Product Calculator ships an update every 3 weeks, and Flex Detect every 4 days. Most recently, Cross Product Calculator was updated on October 27, 2026 and Flex Detect on November 5, 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.*