Comparison

Mousebusters vs Parasite Days

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

Head to head
About

Mousebusters

Embark on a pixel art adventure to vanquish spectral entities plaguing an apartment. As a member of the Mouse Busters, you'll help your master clear out ghosts and save residents from emotional darkness. This casual horror game progresses through tapping, character interaction, and object examination.

Highlights
  • Pixel art graphics
  • Story progression by tapping
  • Character interaction
  • Object examination
  • Casual horror adventure
  • Ghost busting gameplay
Features
Read full description

It's our duty to wipe out the apartment's ghosts and save the residents from the growing darkness inside their hearts. We're the Mouse Busters! The ghosts in the apartment are takin' a toll on the residents' emotions. And we, the Mouse Busters, are the unsung heroes who'll wipe out all those evil ghosts. Hey, newbie. You can call me "Master." Hmm? Ya look like ya wanna say somethin'. You tellin' me the name "Mouse Busters" sounds like wiping out mice instead of ghosts? ... Oh, come on. That doesn't matter. All that matters is that it sounds cool! ------------ This is a simple game where the story progresses by tapping the screen, talking to characters and checking objects. Enjoy this casual horror adventure game by helping your master wipe out the ghosts that haunt the apartment.

About

Parasite Days

Awaken with a strange creature on your arm in this unique adventure game. Decide whether to fight the parasite or succumb to its draining effects. Manage your health, discover food combos, and make choices that lead to multiple endings.

Highlights
  • Parasite-purging adventure
  • Health management
  • Food combo discovery
  • Simple controls
  • Multiple endings
  • Choice-driven narrative
Features
Read full description

"Good morning, Hostbody!" You awaken to find a strange but cute creature growing from your arm. It turns out to be a terrible parasite that will drain all of its host's vitality. Do you kill it, or let it kill you? Introducing the world's first parasite-purging adventure game. ++Your Immune Response is Key++ Choose supplies that will improve your health so you can withstand the parasite! Uncover food combos that produce gastronomic reactions as you struggle to survive! ++Simple Controls++ No difficult motions required. ++Multiple Endings++ Your actions will alter the story. ++Completely Free++ Fully playable without spending any money. ++Other++ No story connections to previous games (though there is a shared worldview). Some endings are good, others are bad.

Screenshots

Mousebusters4 screens
Parasite Days4 screens

Verdict

The call

The clearest difference is rating: Parasite Days at 5.0 against Mousebusters's 4.8. Mousebusters's advantage is ratings volume (1.5K vs 218). On price, review sentiment, 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

Both are free to download. Mousebusters sells 7 one-off in-app purchases and Parasite Days sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Parasite Days holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Mousebusters has 1.5K ratings behind it against 218, so its average is the more settled of the two. Written reviews point the same way: 94% of Mousebusters's written reviews are positive against 98% of Parasite Days's.

UpkeepUpdate frequency

Mousebusters ships an update every 2 weeks, Parasite Days fortnightly. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

Scorecard2 real differences · 8 level
Mousebusters versus Parasite Days: the parameters behind the verdict, then further details
ParameterMousebustersParasite Days
PriceFreeFree
Rating4.8 (1.5K ratings)5.0 (218 ratings) — better
Positive reviews93.6% of reviews97.9% of reviews — better
Number of ratings1.5K — better218
Update frequencyEvery 2 weeks — betterFortnightly
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size76 MB126 MB
Age rating9+12+
DeveloperOdencat Inc.zxima.LLC

Customer experience

Mousebusters

All ratings1,531 ratings
Positive96.8%
Neutral1.3%
Negative1.9%
Written reviews668 reviews
Positive93.6%
Neutral2.4%
Negative4.0%

Parasite Days

All ratings218 ratings
Positive99.1%
Neutral0.9%
Negative0.0%
Written reviews48 reviews
Positive97.9%
Neutral2.1%
Negative0.0%

Bugs and requests

Mousebusters

Reported bugs

2 issues
  • Audio glitches and cutouts
  • Occasional crashes

Requested features

3 requests
  • More gameplay variety
  • Multiple story endings
  • Reduced coffee bean requirement

Parasite Days

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Mousebusters

One-time7
  • Bronze Support$0.99
  • Remove Ads$2.99
  • Silver Support$2.99
Show 4 more
  • Extra Episode$2.99
  • Gold Support$4.99
  • Complete Package$4.99
  • Platinum Support$9.99
4 purchases

Parasite Days

One-time4
  • Laser Threader$0.99
  • Life Enforcer$0.99
  • Rewarded Ads Off$1.99
Show 1 more
  • Donate$2.99

Questions

Is Mousebusters free?
Mousebusters is free to download, with in-app purchases available.
Is Parasite Days free?
Parasite Days is free to download, with in-app purchases available.
Which has better reviews, Mousebusters or Parasite Days?
Parasite Days is rated higher. Mousebusters averages 4.8 out of 5 from 1.5K ratings, while Parasite Days averages 5.0 from 218 ratings.
Do Mousebusters or Parasite Days have ads?
Both Mousebusters and Parasite Days show ads.
Which is updated more often, Mousebusters or Parasite Days?
Mousebusters ships an update every 2 weeks, and Parasite Days fortnightly. Most recently, Mousebusters was updated on September 22, 2026 and Parasite Days on September 21, 2026.

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