Comparison

iDetector! vs PDF Merger Expert

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

Head to head
About

iDetector!

This app alerts you if your device is touched or moved while you're away. Choose from motion, pocket, or power detection modes to secure your phone.

Highlights
  • Motion detection mode
  • Pocket/bag detection mode
  • Power connection/disconnection alarm
  • Customizable alarm triggers
  • Simple interface
Read full description

This simple app let you know if someone touched your device while your were gone. Select between Motion, Pocket or Power modes: Motion Detector : Place your device on a surface and click the Motion Detector" button. Even a slightly movement will trigger the alarm. Pocket or Bag Detector : Click the Pocket button and place your device in your pocket or a bag, pulling out the device will trigger the alarm. Power Detector: Connect your device to a Power source / Computer and click the Power button, Disconnecting the cable will trigger the alarm.

About

PDF Merger Expert

Easily combine, reorder, and manage PDF documents directly on your device. This app offers a fast, secure, and private solution with no internet connection required. Features include page removal, drag-and-drop reordering, and instant sharing.

Highlights
  • Merge multiple PDFs
  • Reorder pages with drag-and-drop
  • Remove unwanted pages
  • Save or share instantly
  • Works 100% offline
  • Dark Mode support
Features
Read full description

PDF Merger Expert is the fastest and simplest way to combine, reorder, and manage your PDF documents — now fully offline. No uploads, no servers, no privacy concerns. Everything happens directly on your device for maximum speed and security. Features: • Merge multiple PDFs into a single file • Reorder pages with easy drag-and-drop • Remove unwanted pages before saving • Save to your device or share instantly • Clean, modern interface with Dark Mode • Works 100% offline — no internet needed Upgrade to remove ads and support future development.

Screenshots

iDetector!3 screens
PDF Merger Expert4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Merger Expert at none against iDetector!'s 1. PDF Merger Expert also leads on update cadence (every 3 days vs every 7 months) and review sentiment (100% vs 83%). iDetector!'s advantage is iOS requirement (5.1.1 vs 15.1). On price, rating, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. iDetector! sells 1 one-off in-app purchase. PDF Merger Expert asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for iDetector! against 5.0 for PDF Merger Expert. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 83% of iDetector!'s written reviews are positive against 100% of PDF Merger Expert's.

UpkeepUpdate frequency

iDetector! ships an update every 7 months, PDF Merger Expert every 3 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
iDetector! versus PDF Merger Expert: the parameters behind the verdict, then further details
ParameteriDetector!PDF Merger Expert
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews83.3% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 7 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS5.1.1 — better15.1
Further details — not scored
Size7 MB34 MB
Age rating4+4+
DeveloperKobi SnirStudyBridge LLC

Customer experience

iDetector!

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

PDF Merger Expert

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

iDetector!

One-time1
  • Enable Capture Mode & Remove Ads$10.99
None

PDF Merger Expert

No in-app purchases

Questions

Is iDetector! free?
iDetector! is free to download, with in-app purchases available.
Is PDF Merger Expert free?
PDF Merger Expert is free to download, with no in-app purchases.
Which has better reviews, iDetector! or PDF Merger Expert?
iDetector! and PDF Merger Expert are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do iDetector! or PDF Merger Expert have ads?
Neither iDetector! nor PDF Merger Expert shows ads.
Which is updated more often, iDetector! or PDF Merger Expert?
iDetector! ships an update every 7 months, and PDF Merger Expert every 3 days. Most recently, iDetector! was updated on November 1, 2026 and PDF Merger Expert on October 30, 2026.

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