# vidar vs Hidden Tracker

The clearest difference is in-app purchases: vidar at none against Hidden Tracker's 4. vidar also leads on iOS requirement (9.3 vs 13.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Hidden Tracker sells 4 in-app purchases, starting at $3.99 per 7 days. vidar asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | vidar | Hidden Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 34 MB | 5 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Guide Infrared Co.,Ltd.](https://appshunter.io/developer/688744536) | [天金 吴](https://appshunter.io/developer/1632698297) |

## What reviewers say

### vidar

[App page](https://appshunter.io/ios/app/vidar/id1119165153)

This utility app enhances the use of handheld thermal cameras by displaying images directly on your phone screen, eliminating the need for external monitors. It also simplifies sharing photos and videos with friends and offers convenient camera operation.

**Highlights:** View thermal camera images on phone screen, Eliminates need for external displays, Easy photo and video sharing, Streamlined thermal camera operation

**In-app purchases:** none


### Hidden Tracker

[App page](https://appshunter.io/ios/app/hidden-tracker-wirelesstracker/id6444854009)

Detects hidden devices on your network and environment using advanced routing and Bluetooth technology. Protects personal privacy by scanning for suspicious equipment and preventing candid photography.

**Highlights:** WiFi equipment detection, Red dot scanning, Bluetooth device search, Manual inspection, Privacy protection

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $3.99 | per 7 days |
| Take Week | $4.99 | per 7 days |
| 年会员 | $12.99 | per year |
| year | $29.99 | per year |


## Frequently asked questions

### Is vidar free?

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

### Is Hidden Tracker free?

Hidden Tracker is free to download, with in-app purchases available.

### Do vidar or Hidden Tracker have ads?

Neither vidar nor Hidden Tracker shows ads.

### Which is updated more often, vidar or Hidden Tracker?

vidar ships an update every 2 months, and Hidden Tracker every 2 months. Most recently, vidar was updated on September 17, 2026 and Hidden Tracker on September 21, 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.*