Comparison

ISS Tracker vs cwTime Practice

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

Head to head
About

ISS Tracker

Monitor the International Space Station's live position and vital telemetry data in real-time. Track its orbit, altitude, velocity, and internal environmental systems. Ideal for space enthusiasts and students interested in space exploration.

Highlights
  • Real-time ISS position tracking
  • Interactive world map
  • Altitude and velocity data
  • Comprehensive telemetry monitoring
  • Environmental and power system data
  • Dark mode support
Features
Read full description

ISS Tracker: Real-Time Space Station Monitor Experience the International Space Station like never before with our comprehensive real-time tracking and telemetry monitoring app. Perfect for space enthusiasts, students, and anyone fascinated by space exploration. KEY FEATURES: LIVE TRACKING & ORBIT • Real-time ISS position tracking on an interactive world map • Current altitude, velocity, and orbital period • Precise latitude and longitude coordinates • Customizable map views (Standard & Satellite) COMPREHENSIVE TELEMETRY • Position & Attitude: Real-time altitude, velocity, yaw, pitch, and roll • Environmental Systems: O₂ levels, CO₂ levels, cabin pressure, and temperature • Power Systems: CMG momentum and status • Thermal Control: Loop A/B temperature and flow rates • Water Management: Clean water, waste water, and urine tank levels • Cooling Systems: Avionics and air cooling temperatures • Oxygen Supply: O₂ and N₂ tank pressure readings • Node Systems: Avionics temperature monitoring • EVA Systems: EMU voltage and current readings • Communications: Ku-Band status and video channels SMART FEATURES • Dark mode support for comfortable viewing • Intuitive interface designed for space enthusiasts • Real-time data updates • Professional-grade accuracy EDUCATIONAL VALUE: Perfect for: • STEM students learning about space technology • Space enthusiasts tracking ISS operations • Teachers demonstrating orbital mechanics • Anyone interested in space station operations Stay connected with humanity's outpost in space. Download ISS Tracker now and monitor the International Space Station's vital signs in real-time. Note: This app uses official telemetry data to provide accurate information about the International Space Station's systems and position.

About

cwTime Practice

This utility app simulates an Iambic Keyer for Morse code practice. Users can tap paddles to send dits and dahs, access a Morse code dictionary, and adjust keyer settings like speed and tone frequency.

Highlights
  • Iambic Keyer simulation
  • Morse code dictionary
  • Adjustable WPM speed
  • Adjustable tone frequency
  • Clear log function
Read full description

This is a Iambic Keyer. Press the left paddle (blue) for dit and the right paddle (green). Press the red trash icon to clear the log, the blue book icon for the morse code dictionary (letters and abbreviations), and the gray gear icon to change key settings including the speed of the keyer in WPM and the frequency of the tone.

Screenshots

ISS Tracker4 screens
cwTime Practice4 screens

Verdict

The call

The clearest difference is rating: ISS Tracker at 5.0 against cwTime Practice's 4.0. ISS Tracker also leads on update cadence (weekly vs every 3 months) and ratings volume (5 vs 1). On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ISS Tracker holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: ISS Tracker has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

ISS Tracker ships an update weekly, cwTime Practice every 3 months. The most recent releases landed on September 30, 2026 and September 26, 2026 respectively.

Scorecard4 real differences · 6 level
ISS Tracker versus cwTime Practice: the parameters behind the verdict, then further details
ParameterISS TrackercwTime Practice
PriceFreeFree
Rating5.0 (5 ratings) — better4.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings5 — better1
Update frequencyWeekly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better18.6
Further details — not scored
Size32 MB0 MB
Age rating4+4+
DeveloperLucent Enterprises Ltd.Jett Mu

Customer experience

ISS Tracker

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

cwTime Practice

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

In-app purchases

None

ISS Tracker

No in-app purchases

None

cwTime Practice

No in-app purchases

Questions

Is ISS Tracker free?
ISS Tracker is free to download, with no in-app purchases.
Is cwTime Practice free?
cwTime Practice is free to download, with no in-app purchases.
Which has better reviews, ISS Tracker or cwTime Practice?
ISS Tracker is rated higher. ISS Tracker averages 5.0 out of 5 from 5 ratings, while cwTime Practice averages 4.0 from 1 ratings.
Do ISS Tracker or cwTime Practice have ads?
Neither ISS Tracker nor cwTime Practice shows ads.
Which is updated more often, ISS Tracker or cwTime Practice?
ISS Tracker ships an update weekly, and cwTime Practice every 3 months. Most recently, ISS Tracker was updated on September 30, 2026 and cwTime Practice on September 26, 2026.

Other comparisons