vidar vs Hidden Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
vidar
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.
- View thermal camera images on phone screen
- Eliminates need for external displays
- Easy photo and video sharing
- Streamlined thermal camera operation
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Vidar可以让您更加方便，有趣的使用手持热像仪，您可以通过手机屏幕看到热像仪的图像而不用外界显示器，从而避免携带沉重的外界显示器； 您可以将您所拍摄的照片和视频更加方便的分享给您的朋友 您可以更加方便的操作您的热像仪；
Hidden Tracker
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.
- WiFi equipment detection
- Red dot scanning
- Bluetooth device search
- Manual inspection
- Privacy protection
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Hidden devices, one-click scanning of suspicious devices under the current network, using a new generation of routing and Bluetooth device detection technology, can detect whether there are hidden devices in the current environment and prevent personal privacy from being leaked. The app has several ways to detect hidden devices: - WIFI equipment detection - Scan red dot detection to prevent candid photography - Bluetooth device search - Manual inspection equipment Privacy Policy：http://nnzxc.cn/doc/LWjdyszc.html User Agreement：http://nnzxc.cn/doc/LWjdyhxy.html Membership Agreement：http://nnzxc.cn/doc/LWjdxfhy.html Automatic renewal agreement：http://nnzxc.cn/doc/LWjdVIP.html
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | vidar | Hidden Tracker |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.3 — better | 13.0 |
| Further details — not scored | ||
| Size | 34 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Wuhan Guide Infrared Co.,Ltd. | 天金 吴 |
Customer experience
vidar
Hidden Tracker
In-app purchases
vidar
No in-app purchases
Hidden Tracker
- 周会员$3.997 Days
- Take Week$4.997 Days
- 年会员$12.991 Year
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- year$29.991 Year
