Comparison

ISS Detector vs DJI Simulator

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

Head to head
About

ISS Detector

Easily track the International Space Station and other satellites. Receive timely alarms before passes and get weather condition checks for optimal viewing. Enhance functionality with optional in-app purchases to discover more celestial objects.

Highlights
  • ISS tracking and alerts
  • Weather condition checks
  • Alarm notifications
  • Track Starlink trains
  • Track Hubble telescope
  • Track amateur radio satellites
Features
Read full description

Have you seen the International Space Station? It is visible with the naked eye! This is the easiest way to spot the station. ISS Detector will tell you when and where to look for the ISS. You get an alarm a few minutes before a pass. You will never miss it. ISS Detector will also check if the weather conditions are right. A clear sky is perfect for spotting. Premium will enhance the functionality of ISS Detector. With the subscription you can add many famous satellites and amateur radio satellites. See the Starlink satellite trains, Hubble space telescope, rocket bodies, Vanguard 1 and many bright satellites. Available categories in Premium: Radio Amateur Satellites: Track dozens of ham and weather satellites. Starlink: Track Starlink satellite trains. Famous Objects: Hubble Space Telescope, rocket bodies, bright satellites and more. Comets: Find comets in the night sky. You might need binoculars or a telescope to see them Planets: Find all the planets Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

DJI Simulator

Master drone flying skills in a realistic virtual environment. Practice various flight maneuvers and challenges across diverse simulated locations without the risk of real-world accidents. Progress through structured training courses to build confidence for aerial photography.

Highlights
  • Realistic virtual flight environment
  • Safe training ground without risk
  • Multiple scenario simulations
  • Progressive training courses
  • Authentic control experience with DJI controllers
Features
Read full description

DJI Flight Simulator is a safe and efficient drone flight training app that allows you to master flying skills in a realistic virtual environment, helping you start your aerial photography journey with confidence. (Currently supports series including DJI Mini 5 Pro, DJI Air 3s, DJI Lito, DJI Lito X1 and is compatible with remote controller RC-N2/3, Virtual joystick is not yet supported.) What does it offer? Safe Training Ground: Fly freely in virtual scenarios—practice without the risk of flyaways or collisions. Multiple Scenario Simulations: Diverse environments including cities, mountains, islands, and famous landmarks to tackle various flight challenges. Progressive Training Courses: Step-by-step skill development from basic controls to advanced camera movements. Authentic Control Experience: Compatible with DJI remote controllers for true-to-life handling and response.

Screenshots

ISS Detector4 screens
DJI Simulator4 screens

Verdict

The call

The clearest difference is rating: ISS Detector at 4.6 against DJI Simulator's 2.4. ISS Detector also leads on review sentiment (56% vs 24%) and ratings volume (569 vs 43). DJI Simulator's advantage is in-app purchases (none vs 13) and ads (none vs shown). On price, update cadence 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. ISS Detector sells 11 in-app purchases, starting at $0.99 per month. DJI Simulator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ISS Detector holds the better App Store score, 4.6 against 2.4. That said, the two scores are not equally well evidenced: ISS Detector has 569 ratings behind it against 43, so its average is the more settled of the two. Written reviews point the same way: 56% of ISS Detector's written reviews are positive against 24% of DJI Simulator's.

UpkeepUpdate frequency

ISS Detector ships an update monthly, DJI Simulator every 2 months. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

Scorecard7 real differences · 3 level
ISS Detector versus DJI Simulator: the parameters behind the verdict, then further details
ParameterISS DetectorDJI Simulator
PriceFreeFree
Rating4.6 (569 ratings) — better2.4 (43 ratings)
Positive reviews56.2% of reviews — better24.2% of reviews
Number of ratings569 — better43
Update frequencyMonthly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size31 MB326 MB
Age rating4++4
DeveloperDerk VrijdagDJI

Customer experience

ISS Detector

All ratings569 ratings
Positive90.9%
Neutral3.9%
Negative5.3%
Written reviews169 reviews
Positive56.2%
Neutral14.2%
Negative29.6%

DJI Simulator

All ratings43 ratings
Positive34.9%
Neutral0.0%
Negative65.1%
Written reviews128 reviews
Positive24.2%
Neutral9.4%
Negative66.4%

In-app purchases

11 purchases

ISS Detector

Subscriptions7
  • Premium Access2 variants$0.991 Month
  • Donation$1.991 Month
  • Premium Access$1.991 Month
Show 4 more
  • Premium Access$2.991 Year
  • Premium Access7 Days trial$5.991 Year
  • Donation2 variants$5.991 Year
  • Premium Access7 Days trial$11.991 Year
One-time4
  • Starlink and Famous objects$3.99
  • Amateur Radio Satellites$3.99
  • Comets and Planets$3.99
Show 1 more
  • Combo package$5.99
None

DJI Simulator

No in-app purchases

Questions

Is ISS Detector free?
ISS Detector is free to download, with in-app purchases available.
Is DJI Simulator free?
DJI Simulator is free to download, with no in-app purchases.
Which has better reviews, ISS Detector or DJI Simulator?
ISS Detector is rated higher. ISS Detector averages 4.6 out of 5 from 569 ratings, while DJI Simulator averages 2.4 from 43 ratings.
Do ISS Detector or DJI Simulator have ads?
ISS Detector shows ads; DJI Simulator does not.
Which is updated more often, ISS Detector or DJI Simulator?
ISS Detector ships an update monthly, and DJI Simulator every 2 months. Most recently, ISS Detector was updated on September 24, 2026 and DJI Simulator on September 25, 2026.

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