Comparison

Parasite Days vs Do Not Reply

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

Head to head
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!" In a not-so-distant future, the world is dying. You wake up to find a strange but cute creature growing from your arm. It is a parasite — one that drains its host's vitality. Do you purge it... or will it purge you first? The world's first parasite-raising survival adventure. ■ Features [1] Supply management is your lifeline Each day, choose supplies (food, items, medicine) to keep your immune system strong. Survive the sudden "absorption seizures" with smart decisions. [2] Food combos trigger chemical reactions Mix and match supplies to discover powerful effects. Experiment to find your own winning combinations. [3] Your choices change everything Multiple endings based on how you treat the parasite and the people of a dying world. Happy endings, bad endings — find the one that's yours. [4] Charming pixel art and a bittersweet world Retro pixel art paired with an atmospheric soundtrack. Cute, lonely, and a little heartbreaking — everyday life at the end of the world. [5] Simple controls anyone can enjoy No difficult action required. Tap-only mini-games with no stamina or timers. Play at your own pace. ■ Great for players who love - Pixel art / retro indie games - Dystopian sci-fi and post-apocalyptic stories - Story-driven games with multiple endings - Relaxed simulation and management gameplay ■ Notes - Fully playable to the end for free (ads are shown). - No story connection to previous titles. - Includes both happy and bad endings. Cute, terrifying, and a little heartbreaking. Step into the story of a limbless parasite and its Hostbody in a dying world.

About

Do Not Reply

Features
Read full description

You get a message from someone who is trapped, and they are not alone. A locked house. A hospital ward. A grocery store after close. You decide if they survive. Do Not Reply is a fully open-ended horror text story app where you decide what happens. Three stories. Guide them through it, open the photos and videos they send you, and decide whether they get out.

Screenshots

Parasite Days4 screens
Do Not Reply4 screens

Verdict

The call

The clearest difference is ads: Do Not Reply at none against Parasite Days's shown. Do Not Reply also leads on update cadence (every 5 days vs fortnightly). On price, in-app purchases, 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. Parasite Days sells 4 one-off in-app purchases and Do Not Reply sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Parasite Days ships an update fortnightly, Do Not Reply every 5 days. Both last shipped on October 24, 2026.

Scorecard2 real differences · 8 level
Parasite Days versus Do Not Reply: the parameters behind the verdict, then further details
ParameterParasite DaysDo Not Reply
PriceFreeFree
Rating5.0 (226 ratings) — better—
Positive reviews94.4% of reviews—
Number of ratings226 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size141 MB48 MB
Age rating12+12+
Developerzxima.LLCFluently AI

Bugs and requests

Parasite Days

Reported bugs

7 issues
  • Cannot submit robot in mini-game, leading to evaluation of E
  • Completed robot displayed on normal screen after bug
  • Cannot submit robot in cooperation menu, leading to it being stuck in 'prohibited' state
  • Bug where the robot is stuck on screen after the cooperation menu issue
  • Cannot obtain 'Dropped too much!' flag even after dropping supplies multiple times
Show 2 more
  • Ad loading errors preventing gameplay
  • Some flags are unobtainable

Requested features

9 requests
  • More endings
  • New characters
  • Russian language translation
  • Add more dialogue for milestones (e.g., day 50, 100)
  • New game + or more content to extend gameplay
Show 4 more
  • Ability to add glasses to the parasite (already exists but some users want it more prominently)
  • More hints for unlocking endings/flags
  • New endings where you are the parasite
  • More gameplay outside of the foundation

Do Not Reply

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
4 purchases

Do Not Reply

One-time4
  • 50 Tokens$0.99
  • 150 Tokens$2.49
  • 2000 Tokens$4.99
Show 1 more
  • 5000 Tokens$9.99

Questions

Is Parasite Days free?
Parasite Days is free to download, with in-app purchases available.
Is Do Not Reply free?
Do Not Reply is free to download, with in-app purchases available.
Do Parasite Days or Do Not Reply have ads?
Parasite Days shows ads; Do Not Reply does not.
Which is updated more often, Parasite Days or Do Not Reply?
Parasite Days ships an update fortnightly, and Do Not Reply every 5 days. Most recently, Parasite Days was updated on October 24, 2026 and Do Not Reply on October 24, 2026.

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