Comparison

Mars vs Sentry Defenses

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

Head to head
About

Mars

Engage in a scientific simulation of establishing a Mars colony. Manage a small group of settlers, research technologies, and build a thriving settlement from a single module. Compete with other human-controlled colonies for success on the Red Planet.

Highlights
  • Scientific Mars settlement simulation
  • Research and development of technologies
  • Exploration of the Red Planet
  • Building and managing specialized structures
  • Managing settler types and life cycles
  • 3D view of settlement and Mars surface
  • Offline playability
Features
Read full description

Settle on MARS in a mixture of game and scientific simulation. Take control over a tiny group of 10 settlers and choose a landing site on the barren Mars. Develop your venture from one single landing module into a thriving settlement with hundreds of specialized buildings and even more inhabitants. Research & development of new technologies as well as exploration of the Red Planet are key for establishing a permanent presence in this hostile environment. And you are not alone. Other settlements, each one controlled by a real human somewhere on Earth, are starting to grow everywhere and a competition for being the most successful Mars colony has already begun. Features: - Scientific orientated building & simulation of a Mars settlement - Background story in 6 phases with according phase goals - Mars simulation in 30x real time (even running when app is not active) - Choosing one of 7 Earth organizations providing (dis-)advantages - Research & development of 152 individual technologies - Construction, maintenance & repair of 51 individual building - 35 individual building enhancements (no level 1,2,3...) - Sending Mars exploration teams and analyzing found soil samples - Production & dispatching of 23 different resource/module types - Assignment of 5 settler types to all activities in the settlement - Settler life cycle including children and elders - 3D view of own settlement in authentic Mars topography - Panning & zooming of the Mars surface in high resolution 3D - 100% usable without Internet connection - Optional online: ranking list & other settlements on Mars surface - Unlocking of advanced app functionalities step by step - Tutorial explaining all app functionalities - Contains some Ads but only after 15 Minutes of game and very decent - Contains In-App-Purchases but NO PAY TO WIN! - This is a peaceful app! NO FIGHTING, NO KILLING, NO WAR!

About

Sentry Defenses

Defend your golden turd from incoming bugs by strategically placing Sentry towers. Earn coins each turn to upgrade your defenses and survive waves of software-inspired enemies. This game playfully represents real-life software bugs found in popular crash reporting tools.

Highlights
  • Strategic tower placement
  • Upgrade defenses with earned coins
  • Defend against software bug enemies
  • Progressive survival turns
  • Unique theme based on crash reporting
Features
Read full description

Sentry Defenses is a game that allows you to position Sentry towers and guard your golden turd against bugs. On each turn you survive, you are awarded coins that allows you to buy upgrades to improve your defences. The bugs are a result of real life software bugs that arrive into the most popular crash reporting tool, Sentry. Sentry's application monitoring platform helps every developer diagnose, fix, and optimize the performance of their code. Over 1M developers and 60K organizations already ship better software faster with Sentry. Won’t you join them?

Screenshots

Mars4 screens
Sentry Defenses3 screens

Verdict

The call

The clearest difference is rating: Sentry Defenses at 5.0 against Mars's 4.1. Sentry Defenses also leads on in-app purchases (none vs 3) and ads (none vs shown). Mars's advantage is ratings volume (26 vs 5). On price 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. Mars sells 3 one-off in-app purchases. Sentry Defenses asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sentry Defenses holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Mars has 26 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 66% of Mars's written reviews are positive against 100% of Sentry Defenses's.

Scorecard7 real differences · 3 level
Mars versus Sentry Defenses: the parameters behind the verdict, then further details
ParameterMarsSentry Defenses
PriceFreeFree
Rating4.1 (26 ratings)5.0 (5 ratings) — better
Positive reviews65.6% of reviews100.0% of reviews — better
Number of ratings26 — better5
Update frequencyEvery 2 months—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size2.6 GB62 MB
Age rating4+4+
DeveloperStefan NyulGetSentry LLC

Customer experience

Mars

All ratings26 ratings
Positive69.2%
Neutral15.4%
Negative15.4%
Written reviews32 reviews
Positive65.6%
Neutral9.4%
Negative25.0%

Sentry Defenses

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

In-app purchases

3 purchases

Mars

One-time3
  • Logistics contract$0.99
  • MAA Gold Membership$1.99
  • Sponsors contract$2.99
None

Sentry Defenses

No in-app purchases

Questions

Is Mars free?
Mars is free to download, with in-app purchases available.
Is Sentry Defenses free?
Sentry Defenses is free to download, with no in-app purchases.
Which has better reviews, Mars or Sentry Defenses?
Sentry Defenses is rated higher. Mars averages 4.1 out of 5 from 26 ratings, while Sentry Defenses averages 5.0 from 5 ratings.
Do Mars or Sentry Defenses have ads?
Mars shows ads; Sentry Defenses does not.

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