Comparison

Motion Sensor vs Discreet

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

Head to head
About

Motion Sensor

This application acts as a motion detector, automatically recording video when movement is detected. It offers various features for surveillance, security, or capturing pet activities. Videos can be saved to cloud storage or viewed within the app.

Highlights
  • Automatic video recording on motion detection
  • Cloud storage integration (Dropbox, iCloud)
  • Adjustable video resolution and frame rate
  • Configurable detection zones and schedules
  • In-app gallery and video playback
  • Customizable motion sensitivity and recording duration
Features
Read full description

This app is a motion detector that records video automatically when it detects movement. Perfect for surveillance, motion detection, security, pranks, or just recording what your pet does when you are not home. Features ▸ Dropbox™ - Sends your videos to your Dropbox™. ▸ iCloud Drive - Sends your videos to your iCloud Drive. ▸ Resolution - 4K¹, 1080p¹, 720p or 480p. ▸ Frame Rate - 30, 60¹, 120¹ or 240¹ frames per second. ▸ Detection Zone - Defines the portion of the camera that the motion detection algorithm uses. ▸ Schedule - Defines start and end times for the motion detection. ▸ Gallery - View videos directly in the app. ▸ Time Stamp - Adds the date and time to your videos. ▸ Camera Control - Select between front or rear camera. ▸ Sensitivity - Controls the motion detection sensitivity. ▸ Idle Record - Controls how long the app continues recording after the motion stops. ▸ Visualize Motion - Visualizes motion detected by the app. ▸ Alarm - Plays an alarm sound when motion is detected. ▸ Door Bell - Plays a bell sound when motion is detected. ▸ Light - Toggles the flashlight when using the rear-facing camera. ▸ Rick Roll - Surprise your friends with Rick Roll when you catch them on camera. ▸ Auto Focus - Option to turn off autofocus to avoid re-focusing of the camera during motion detection. ¹ Dependent upon device's capabilities.

About

Discreet

Capture photos and videos discreetly using a black screen or custom screen mode. Features include autofocus, image stabilization, 4K video, and Apple Watch control. Instantly launch the camera with a Lock Screen widget for quick access. Keep your media private with a secure, built-in gallery.

Highlights
  • Black screen camera mode
  • Customizable screen modes
  • Autofocus and image stabilization
  • 4K video recording
  • Apple Watch control
  • Lock Screen widget for instant launch
  • Private in-app gallery
Features
Read full description

The original top-rated Discreet Camera app for capturing photos and record videos discreetly without drawing attention. Thanks to the Black Screen Technology and the Custom Screen mode, you can shoot without lighting up your surroundings or interrupting the moment. Packed with powerful features—autofocus, image stabilization, burst mode, 4K video, Apple Watch control, and fully customizable commands—Discreet helps you capture sharp, well-composed shots even in challenging lighting. Never miss a moment: launch the camera instantly with the Lock Screen widget for quick access when timing matters. Whether you’re capturing a special memory without drawing attention or you simply prefer a more private, low-profile camera experience, Discreet is built for you. Perfect for concerts, live events, capturing evidences, street photography, and any situation where you don’t want a bright screen to disturb others, Discreet lets you capture photos and videos more subtly. Keep your photos and recordings private with a built-in gallery to store photos and videos safely. Your files are not uploaded to the cloud or to any server. Discover a better, more discreet way to capture the moments that matter with this secret camera recorder. Disclaimer: This app is not intended to violate the privacy of others. This is not a spy hidden camera . Please be aware of the laws in your area concerning using discreet image capturing devices and applications in your area. The developer of this application will not be held liable for the actions of any users. Always follow any applicable laws, rules, etc., regarding the use of imaging devices.

Screenshots

Motion Sensor3 screens
Discreet4 screens

Verdict

The call

The clearest difference is price: Discreet at Free against Motion Sensor's $4.99. Discreet also leads on review sentiment (56% vs 39%) and rating (4.4 vs 4.2). Motion Sensor's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 15.6). On update cadence, 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

Discreet is free to download; Motion Sensor costs $4.99 up front. Discreet sells 1 one-off in-app purchase. Motion Sensor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Discreet holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: Discreet has 2.1K ratings behind it against 257, so its average is the more settled of the two. Written reviews point the same way: 39% of Motion Sensor's written reviews are positive against 56% of Discreet's.

UpkeepUpdate frequency

Motion Sensor ships an update every 3 weeks, Discreet every 5 weeks. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

Scorecard7 real differences · 3 level
Motion Sensor versus Discreet: the parameters behind the verdict, then further details
ParameterMotion SensorDiscreet
Price$4.99Free — better
Rating4.2 (257 ratings)4.4 (2.1K ratings) — better
Positive reviews38.8% of reviews55.7% of reviews — better
Number of ratings2572.1K — better
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS10.0 — better15.6
Further details — not scored
Size72 MB68 MB
Age rating4+4+
DeveloperEmmanuel Lauro GarsdMarco D'Amelio

Customer experience

Motion Sensor

All ratings257 ratings
Positive80.2%
Neutral4.7%
Negative15.2%
Written reviews49 reviews
Positive38.8%
Neutral8.2%
Negative53.1%

Discreet

All ratings2,072 ratings
Positive83.4%
Neutral7.4%
Negative9.2%
Written reviews463 reviews
Positive55.7%
Neutral13.2%
Negative31.1%

User reviews

Motion Sensor

From 257 App Store ratings

What we love

  • 👍 Good for naps at work
  • 👍 Excellent apps!
  • 👍 Pretty cool little app
  • 👍 Works as it should
  • 👍 Children loved to discover how nature documentary are done

Room to improve

  • 🐛 Undulations like on a boat
  • 🐛 Motion detection always triggers immediately
  • 🐛 Video captured is also undulating
  • 🐛 Turning off autofocus has no effect
  • 🐛 Cannot set camera zoom

Discreet

From 2.1K App Store ratings

What we love

  • 🚀 Great app
  • 👍 Discreet camera
  • 👍 Easy to use
  • 👍 Useful features
  • 🔒 Secure storage

Room to improve

  • 🐛 Crashes/freezes
  • 🐛 Video recording issues
  • 🐛 Quality/performance problems
  • 💰 Paid features required
  • 🔒 Privacy concerns

Bugs and requests

Motion Sensor

Reported bugs

22 issues
  • Preview undulates like waves
  • Motion detection triggers immediately
  • Video captured is undulating
  • Autofocus has no effect
  • App crashes frequently
Show 17 more
  • Sync to photo album and iCloud is sporadic
  • App freezes
  • App crashes before starting up
  • App crashes while shooting
  • Phone kept dropping calls while app installed
  • App crashes as soon as user walks away
  • No videos recorded after crash
  • App crashes and won't open
  • App crashes after 10 minutes
  • Movements only detected at close distance, inaccurate at further distances
  • App crashes and won't open after closing and reopening
  • App continuously crashes, never worked
  • App does not work for more than 5 minutes
  • App closes as soon as screen cover is put on
  • App crashes everyday
  • App won't save video
  • App won't work if microphone access is denied

Requested features

19 requests
  • Power save option button
  • Zoom feature
  • Ability to hide the screen when recording
  • Ability to run in background when screen is locked
  • Manual focus feature
Show 14 more
  • Full frame HD shooting
  • Ability to turn off light when recording stops
  • Slow motion edit on footage
  • Capture still frames from videos
  • Set alarm indefinite until switched off
  • Option to disable recording start sound
  • Full "manual focus" feature
  • Improve auto-exposure in extreme light/dark conditions
  • Access to full "wide" mode of 1x lens
  • Fix bad review link
  • Allow app to work in background/when screen is off/locked
  • Ability to zoom camera while detecting
  • Make alarm indefinite until switched off
  • Fix microphone access requirement

Discreet

Reported bugs

4 issues
  • Video recording stops unexpectedly
  • Camera preview window cannot be disabled
  • Microphone permission required even for photos
  • Inconsistent video frame rates

Requested features

6 requests
  • Option to use custom wallpaper
  • Volume button controls
  • Zoom/wide-angle camera support
  • Higher video resolutions
  • Background recording
Show 1 more
  • Ability to recover deleted content

In-app purchases

None

Motion Sensor

No in-app purchases

1 purchases

Discreet

One-time1
  • Unlock all features$9.99

Questions

Is Motion Sensor free?
Motion Sensor costs $4.99, with no in-app purchases.
Is Discreet free?
Discreet is free to download, with in-app purchases available.
Which has better reviews, Motion Sensor or Discreet?
Discreet is rated higher. Motion Sensor averages 4.2 out of 5 from 257 ratings, while Discreet averages 4.4 from 2.1K ratings.
Do Motion Sensor or Discreet have ads?
Neither Motion Sensor nor Discreet shows ads.
Which is updated more often, Motion Sensor or Discreet?
Motion Sensor ships an update every 3 weeks, and Discreet every 5 weeks. Most recently, Motion Sensor was updated on September 22, 2026 and Discreet on September 24, 2026.

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