Comparison

LM Space Constellations vs CompTIA A+ & Security + Prep

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

Head to head
About

LM Space Constellations

Explore the fundamentals of satellite mission architecture. Adjust key factors like altitude and satellite lifespan to observe their impact on global internet service delivery. Learn the basics of designing satellite constellations.

Highlights
  • Adjust satellite constellation altitude
  • Modify satellite lifespan
  • Control duration of global internet services
  • Observe factor effects on services
  • Learn mission architecture basics
Features
Read full description

The satellite business is exciting with rapid innovation, increasing investment, new customers and new competitors. Satellites and their associated systems on the earth perform missions or services from low altitudes (e.g. imaging), medium altitudes (e.g. GPS navigation signals) and high altitudes (e.g. TV signals). There are many factors to consider in designing a satellite constellation. A large number of economic, technical, and social factors are considered and optimized to best achieve the objectives of that business. LM Space Constellations provides an introduction to a couple of key factors. Change these factors and observe their effects. Start learning the basics of satellite mission architecture. Download today. FEATURES: -Raise or lower the satellite constellation altitude -Lengthen or shorten the satellite life -Lengthen or shorten the duration of providing global internet services from space

About

CompTIA A+ & Security + Prep

Prepare for CompTIA certification exams with a personalized study plan. Practice with thousands of questions, track your progress, and compare your scores to the community average to boost your confidence and pass on your first attempt.

Highlights
  • Personalized study plan
  • 5000+ practice questions
  • Track strengths and weaknesses
  • Detailed test statistics
  • Compare scores to community average
  • Choose exam topics
Features
Read full description

Pass your CompTIA exams with flying colors! Boost your confidence in passing the first time with our mobile app and a personal study plan based on your current skill and requirements. Based in Downers Grove, Illinois, CompTIA issues vendor-neutral professional certifications in over 120 countries. The organization releases over 50 industry studies annually to track industry trends and changes. Over 2.2 million people have earned CompTIA certifications since the association was established. Key features: - Choose from different topics required to receive a certification - Practice with 5000+ questions - Track your strengths and weaknesses within Stats section of the app - Study detailed statistics of every test you take - Compare your score to the community average for almost any type of exam - - - - Purchases, subscriptions and terms You need to buy a lifetime access or subscribe to get access to all features, courses and questions. The cost of the purchase is charged to your iTunes account. Subscriptions are auto-renewable and are billed at the rate and period selected depending on the subscription plan. Users’ accounts are charged for auto-renewal within 24 hours prior to the end of the current period. Subscriptions can be managed and auto-renewal can be turned off in Account Settings in iTunes after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of use: https://mastrapi.com/terms.html Privacy policy: https://mastrapi.com/policy.html

Screenshots

LM Space Constellations4 screens
CompTIA A+ & Security + Prep4 screens

Verdict

The call

The clearest difference is in-app purchases: LM Space Constellations at none against CompTIA A+ & Security + Prep's 2. LM Space Constellations also leads on rating (5.0 vs 4.7). CompTIA A+ & Security + Prep's advantage is ratings volume (2.2K vs 9). On price, ads, device support and iOS requirement 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. CompTIA A+ & Security + Prep sells 2 in-app purchases, starting at $24.99 per month. LM Space Constellations asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

LM Space Constellations holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: CompTIA A+ & Security + Prep has 2.2K ratings behind it against 9, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
LM Space Constellations versus CompTIA A+ & Security + Prep: the parameters behind the verdict, then further details
ParameterLM Space ConstellationsCompTIA A+ & Security + Prep
PriceFreeFree
Rating5.0 (9 ratings) — better4.7 (2.2K ratings)
Positive reviews—31.0% of reviews
Number of ratings92.2K — better
Update frequency—Every 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size469 MB36 MB
Age rating4+4+
DeveloperLockheed MartinMastrAPI

Customer experience

LM Space Constellations

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

CompTIA A+ & Security + Prep

All ratings2,175 ratings
Positive93.0%
Neutral2.3%
Negative4.8%
Written reviews58 reviews
Positive31.0%
Neutral12.1%
Negative56.9%

Bugs and requests

LM Space Constellations

Not enough reviews yet to summarise bugs or requests.

CompTIA A+ & Security + Prep

Reported bugs

4 issues
  • Questions referencing missing pictures
  • Incorrect answers and explanations
  • Subscription issues across devices
  • Reporting feature not functioning

Requested features

4 requests
  • Ability to target specific exam objectives
  • Dark mode option
  • More zoom options
  • Improved exam version tracking

In-app purchases

None

LM Space Constellations

No in-app purchases

2 purchases

CompTIA A+ & Security + Prep

Subscriptions1
  • Monthly with Trial7 Days trial$24.991 Month
One-time1
  • Lifetime$99.99

Questions

Is LM Space Constellations free?
LM Space Constellations is free to download, with no in-app purchases.
Is CompTIA A+ & Security + Prep free?
CompTIA A+ & Security + Prep is free to download, with in-app purchases available.
Which has better reviews, LM Space Constellations or CompTIA A+ & Security + Prep?
LM Space Constellations is rated higher. LM Space Constellations averages 5.0 out of 5 from 9 ratings, while CompTIA A+ & Security + Prep averages 4.7 from 2.2K ratings.
Do LM Space Constellations or CompTIA A+ & Security + Prep have ads?
Neither LM Space Constellations nor CompTIA A+ & Security + Prep shows ads.

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