Comparison

Clap Detector vs Light PDF

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

Head to head
About

Clap Detector

This app helps you locate your phone by clapping or find it if someone tries to access it without permission. It can trigger an alarm when moved or capture photos of unauthorized users.

Highlights
  • Detect unauthorized unlock attempts with photos
  • Trigger loud alarm when phone is moved
  • Locate phone with a clap sound
  • Privacy protection
  • Theft prevention
Features
Read full description

Clap Detector ! Are you tired of losing your phone or worrying about unauthorized access? Clap Detector is here to help! Key Features: Catch Unwanted Users: Feel secure knowing that Clap Detector captures photos if someone tries to unlock your phone without permission. Protect your privacy with this essential feature. Alarm for Protection: Activate a loud alarm whenever your phone is moved or picked up without your consent. This proactive measure alerts you immediately, helping to prevent loss or theft. Easily Find Your Phone: Never search frantically for your phone again! Just clap your hands, and Clap Detector responds with a loud sound ! Subscription: Payment will be charged to iTunes Account at confirmation of purchase. Subscription with a free trial period will automatically renew to a paid subscription. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period at the rate of the selected plan. Subscriptions and auto-renewal may be managed by going to Account Settings after purchase. You can cancel your subscription or free trial in the iTunes settings at least 24-hours before the end of the free trial period. The cancellation will take effect the day after the last day of the current subscription period and you will be downgraded to the free service. Subscription options: Week Price: $ 2.99 Lifetime: $ 19.99 Privacy policy:https://maxdevelop.notion.site/Privacy-Policy-176b308618fc4e12b12a3a436e6fcad3 Terms of use: https://maxdevelop.notion.site/Terms-Conditions-ecf80468921941748bb47c20b198601f Contact: maximburlacenco@gmail.com

About

Light PDF

Features
Read full description

Light PDF is a powerful PDF processing tool designed to provide users with a convenient PDF reading and management experience. Whether it is viewing documents, splitting files, merging multiple PDFs, or even converting photos and pictures to PDF format, our application can easily meet your needs. Key functions: PDF reading: Supports fast reading of PDF documents and provides a smooth reading experience. PDF splitting: Can quickly split large PDF files into multiple small files for easy sharing and storage. You can choose the page number of the split as needed. PDF merging: Easily merge multiple PDF files into one, keeping the original format, suitable for organizing and archiving files. Photo to PDF: Use the mobile phone camera to take pictures of documents or paper materials, the application will automatically recognize and generate high-quality PDF files, convenient for recording and saving important information at any time. Image to PDF: Supports converting various image formats to PDF files, ensuring that the image quality is not affected, suitable for making electronic photo albums or graphic materials. There are many other features for you to explore. Privacy Policy: https://lightpdfai.com/publish/Notice.pdf

Screenshots

Clap Detector3 screens
Light PDF4 screens

Verdict

The call

The clearest difference is in-app purchases: Light PDF at none against Clap Detector's 2. Light PDF also leads on update cadence (every 5 days vs fortnightly). On price, ads, device support and iOS requirement 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. Clap Detector sells 2 in-app purchases, starting at $2.99 per 7 days. Light PDF asks for nothing beyond the download.

UpkeepUpdate frequency

Clap Detector ships an update fortnightly, Light PDF every 5 days. Both last shipped on November 8, 2026.

Scorecard2 real differences · 8 level
Clap Detector versus Light PDF: the parameters behind the verdict, then further details
ParameterClap DetectorLight PDF
PriceFreeFree
Rating4.0 (246 ratings) — better—
Positive reviews10.5% of reviews—
Number of ratings246 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size12 MB33 MB
Age rating4+4+
DeveloperMaxim Burlacenco其达 林

Bugs and requests

Clap Detector

Reported bugs

6 issues
  • Does not work
  • Volume doesn't work
  • Theft option not working
  • Requires turning on every time
  • Cannot override silent mode
Show 1 more
  • Sound goes off when placing on side table

Requested features

2 requests
  • App should be ON all the time
  • Ability to override silent mode

Light PDF

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Clap Detector

Subscriptions1
  • Premium for one week3 Days trial$2.997 Days
One-time1
  • Clap Detector - Lifetime$19.99
None

Light PDF

No in-app purchases

Questions

Is Clap Detector free?
Clap Detector is free to download, with in-app purchases available.
Is Light PDF free?
Light PDF is free to download, with no in-app purchases.
Do Clap Detector or Light PDF have ads?
Both Clap Detector and Light PDF show ads.
Which is updated more often, Clap Detector or Light PDF?
Clap Detector ships an update fortnightly, and Light PDF every 5 days. Most recently, Clap Detector was updated on November 8, 2026 and Light PDF on November 8, 2026.

Other comparisons