# Hidden vs Calculator.io

The clearest difference is ads: Hidden at none against Calculator.io's shown. Calculator.io's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Hidden ships an update every 2 months, Calculator.io every 2 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Hidden | Calculator.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (37 ratings)](https://appshunter.io/ios/app/hidden-spy-camera-detector/id6756391463/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 47 MB | 33 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Egor Barabash](https://appshunter.io/developer/1842944076) | [ARSIDIAN Limited Liability Company](https://appshunter.io/developer/6793037470) |

## What reviewers say

### Hidden

[App page](https://appshunter.io/ios/app/hidden-spy-camera-detector/id6756391463)

Protect your privacy by detecting hidden cameras and spy devices in unfamiliar locations. This app uses your iPhone's sensors and camera to scan for electronic equipment, Wi-Fi, Bluetooth, infrared, and magnetic fields. It also provides a privacy guide with tips for manual inspections.

**Highlights:** Hidden camera detection, Spy camera scanning, Wi-Fi scanner, Bluetooth scanner, Infrared scanner, Magnetic field scanner, Privacy guide

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

**In-app purchases:** none


### Calculator.io

[App page](https://appshunter.io/ios/app/calculatorio/id6814820777)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hidden free?

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

### Is Calculator.io free?

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

### Do Hidden or Calculator.io have ads?

Calculator.io shows ads; Hidden does not.

### Which is updated more often, Hidden or Calculator.io?

Hidden ships an update every 2 months, and Calculator.io every 2 weeks. Most recently, Hidden was updated on November 5, 2026 and Calculator.io on November 6, 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.*