Comparison

Write ID vs Hidden Device Detector Privacy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Hidden Device Detector Privacy

Scan rooms for unusual devices

Free

🔧 Utilities

No ratingsView app →

About

Write ID

Read full description

Write ID is an APP that can be used to Write and modify device ids for multiple devices of our company - The APP is mainly used for internal testing and customers who purchase the company's products -The APP is mainly released in China and other countries

About

Hidden Device Detector Privacy

Features

Read full description

Scan your room and surroundings for unusual devices. Room Device Scanner helps analyze WiFi, magnetic fields, and signals. Key Features WiFi Device Scanner Find devices connected to your network and review details. Magnetic Field Monitor Track magnetic field changes often linked to electronics. Audio Spectrum Analyzer Visualize unusual audio frequencies. Room Reflection Test Use your camera to observe reflections on shiny surfaces.A privacy awareness tool designed for peace of mind. Extra Tools Save and review past scan history Designed for iPhone & iPad Extra Tools Save and review past scan history Designed for iPhone & iPad Simple interface with Dark ModeSimple interface with Dark Mode Terms of Use This app uses the standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Write ID1 screens

Hidden Device Detector Privacy4 screens

Verdict

The call

The clearest difference is in-app purchases: Write ID at none against Hidden Device Detector Privacy's 2. Write ID also leads on iOS requirement (9.0 vs 17.6). Hidden Device Detector Privacy's advantage is update cadence (daily vs every 6 weeks). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Hidden Device Detector Privacy sells 2 in-app purchases, starting at $4.99 per 7 days. Write ID asks for nothing beyond the download.

UpkeepUpdate frequency

Write ID ships an update every 6 weeks, Hidden Device Detector Privacy daily. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 3 level

Write ID versus Hidden Device Detector Privacy: the parameters behind the verdict, then further details
Parameter	Write ID	Hidden Device Detector Privacy
Price	Free	Free
Update frequency	Every 6 weeks	Daily — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	9.0 — better	17.6
Further details — not scored
Size	1 MB	8 MB
Age rating	9+	4+
Developer	Shenzhen Chileaf Eletronics Co., LTD	鹏李

In-app purchases

None

Write ID

No in-app purchases

2 purchases

Hidden Device Detector Privacy

Subscriptions2

Weekly Premium$4.997 Days
Annual Premium$24.991 Year

Questions

Is Write ID free?

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

Is Hidden Device Detector Privacy free?

Hidden Device Detector Privacy is free to download, with in-app purchases available.

Do Write ID or Hidden Device Detector Privacy have ads?

Neither Write ID nor Hidden Device Detector Privacy shows ads.

Which is updated more often, Write ID or Hidden Device Detector Privacy?

Write ID ships an update every 6 weeks, and Hidden Device Detector Privacy daily. Most recently, Write ID was updated on September 30, 2026 and Hidden Device Detector Privacy on October 9, 2026.