Comparison

Motion Sensor vs Seestar

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

Seestar

Explore the universe with a smart telescope that simplifies stargazing. Automatically find, focus, and capture celestial objects without professional guidance. Observe stars, the sun, and even landscapes with intuitive app control.

Highlights
  • Wireless control of telescope
  • Automatic celestial object finding and tracking
  • Solar observation with filter
  • Scenery mode for terrestrial viewing
  • Built-in sky atlas and encyclopedia
  • Stargazing index and recommendations
  • Share observations with community
Features
Read full description

Take the first step in exploring the universe! The Seestar smart telescope will give you a stargazing experience like never before. No need for professional guidance, just tap on the screen and you are ready to observe and capture the stars. Seestar is a smart device that integrates the functions of an altazimuth mount, telescope, and camera, with both hardware and software applications. With the Seestar App, you can easily control this multifunctional device and explore the infinite world of stars. Key features: - Wireless control: Control with Seestar device through wireless connection. - Stargazing Mode: Automatically find and focus on celestial objects, intelligently identify stars and track them for automatic capturing and image processing. - Solar Mode: Support auto-scan and solar tracking. Use the included Solar Filter to observe the unique sun. - Scenery mode: Manually control the telescope direction and auto-focus, so you can enjoy observing birds and landscapes. -Sky Atlas: Built-in curated celestial object database AND a rich astronomical knowledge encyclopedia,help you easily understand the mystery of starry sky. - Stargazing Index forecasts and popular Recommendations: Stay updated with popular information, making you an expert in astronomical events. - Share Your Work in the Square: Engage and exchange insights with astronomy enthusiasts from around the world, showcasing your observational achievements. - Adaptation Model: It will work with all Seestar models. Seestar is your ideal companion for exploring the universe, observing the stars and sharing experiences. Download Seestar App now and Explore the universe with Seestar.

Screenshots

Motion Sensor3 screens
Seestar4 screens

Verdict

The call

The clearest difference is price: Seestar at Free against Motion Sensor's $4.99. Seestar also leads on review sentiment (62% vs 39%). Motion Sensor's advantage is iOS requirement (10.0 vs 13.0). On rating, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Seestar is free to download; Motion Sensor costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for Motion Sensor against 4.2 for Seestar. Both are backed by a comparable volume of ratings — 257 and 334 respectively. Written reviews are what separate them: 39% of Motion Sensor's written reviews are positive against 62% of Seestar's.

UpkeepUpdate frequency

Motion Sensor ships an update every 3 weeks, Seestar monthly. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

Scorecard4 real differences · 6 level
Motion Sensor versus Seestar: the parameters behind the verdict, then further details
ParameterMotion SensorSeestar
Price$4.99Free — better
Rating4.2 (257 ratings)4.2 (334 ratings)
Positive reviews38.8% of reviews61.7% of reviews — better
Number of ratings257334 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better13.0
Further details — not scored
Size72 MB1.3 GB
Age rating4+4+
DeveloperEmmanuel Lauro GarsdSuZhou ZWO Co., Ltd

Customer experience

Motion Sensor

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

Seestar

All ratings334 ratings
Positive79.9%
Neutral3.9%
Negative16.2%
Written reviews175 reviews
Positive61.7%
Neutral8.0%
Negative30.3%

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

Seestar

From 334 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Continuous updates
  • 💡 Great value for money
  • 👍 Intuitive interface
  • 👍 Excellent image quality

Room to improve

  • 🐛 Firmware updates causing issues
  • 🐛 Connectivity problems
  • 🐛 Tracking and stability issues
  • 🔋 Battery life concerns
  • 🐛 Crashes and bugs after updates

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

Seestar

Reported bugs

5 issues
  • Firmware update cycle preventing settings changes
  • Tracking errors and star trailing issues
  • App crashing on startup
  • Inability to connect to telescope
  • Forced firmware updates during use

Requested features

5 requests
  • Add equatorial mode support
  • Provide fine control of exposure time
  • Implement mosaic mode for wider FOV
  • Add support for iPad landscape mode
  • Integrate with other astronomy apps

In-app purchases

None

Motion Sensor

No in-app purchases

None

Seestar

No in-app purchases

Questions

Is Motion Sensor free?
Motion Sensor costs $4.99, with no in-app purchases.
Is Seestar free?
Seestar is free to download, with no in-app purchases.
Which has better reviews, Motion Sensor or Seestar?
Motion Sensor and Seestar are both rated 4.2 out of 5 on the App Store, from 257 and 334 ratings respectively.
Do Motion Sensor or Seestar have ads?
Neither Motion Sensor nor Seestar shows ads.
Which is updated more often, Motion Sensor or Seestar?
Motion Sensor ships an update every 3 weeks, and Seestar monthly. Most recently, Motion Sensor was updated on September 22, 2026 and Seestar on September 25, 2026.

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