Comparison

Dr. Virus vs Ultimate Level Maker / Builder

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

Head to head
About

Dr. Virus

A classic falling block puzzle game where players strategically drop colored capsules to eliminate viruses. Progress through levels by clearing the screen and challenge yourself with different game modes.

Highlights
  • Falling block puzzle gameplay
  • 20 classic levels
  • Challenge mode with online leaderboard
  • Practice mode to select levels
  • Save and resume games
  • Offline and online high scores
Features
Read full description

GAME RULES ---------------- Dr. Virus is a falling block puzzle game. The player's objective is to destroy the viruses by using colored capsules that are tossed into the bottle. The player manipulates each capsule as it falls, with the goal being to align similar colors which removes the viruses. The player progresses through the game by eliminating all the viruses on the screen in each level. FEATURES ---------------- + 20 classic levels. + Play with buttons or gesture. + CHALLENGE mode: the player starts at level 0 and submit the score to online leaderboard. + PRACTICE mode: same with class game, the player can select which level to start at. + MINI GAMES: more way to explore, play custom and challenging stages. + Save your current game and play it later. + Offline high scores and online leaderboard. FAN PAGE ------------------ + Facebook: https://www.facebook.com/qastudiosapps + Twitter: https://twitter.com/qastudios

About

Ultimate Level Maker / Builder

Design and build your own 2D platforming levels with a wide variety of tools and assets. Create intricate obstacle courses, adventure maps, or anything you can imagine, then share your creations online and explore those made by others.

Highlights
  • Create 2D platforming levels
  • 13 level themes
  • Hundreds of blocks, enemies, and objects
  • Foreground and background block placement
  • World map creation
  • Online level sharing and downloading
  • Challenge mode with unlockable hats
Features
Read full description

This app gives you the tools you need to create fantastic 2D platforming levels and share them with everyone. Build tricky obstacle courses, crazy contraptions, or even longer adventure-style levels. The choice is yours! Features: • Make all sorts of levels, big or small! • Select from 13 different level theme options to suit your mood. • Hundreds of blocks, enemies, and objects to place in each level. • Decoration blocks and sloped ground tiles to create more detailed environments. • Several powerups including upgrades to the player's armor and jump height. • Place blocks in the foreground and background. • Add a sub-area to your levels. • Electricity can be conducted by metal blocks to power pistons and more. • Dynamic fire spreading (wooden blocks can burn, and ice blocks melt!) • Create world maps to compile your levels into a story or adventure! • Share your levels and world maps online, and download those uploaded by other players. • Tackle the classic challenge mode to unlock cool new hats to wear!

Screenshots

Dr. Virus2 screens
Ultimate Level Maker / Builder4 screens

Verdict

The call

The clearest difference is review sentiment: Ultimate Level Maker / Builder at 84% against Dr. Virus's 19%. Ultimate Level Maker / Builder also leads on rating (4.7 vs 2.5) and update cadence (every 3 weeks vs every 2 months). Dr. Virus's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Ultimate Level Maker / Builder holds the better App Store score, 4.7 against 2.5. Both are backed by a comparable volume of ratings — 24 and 69 respectively. Written reviews point the same way: 19% of Dr. Virus's written reviews are positive against 84% of Ultimate Level Maker / Builder's.

UpkeepUpdate frequency

Dr. Virus ships an update every 2 months, Ultimate Level Maker / Builder every 3 weeks. The most recent releases landed on September 5, 2026 and September 12, 2026 respectively.

Scorecard6 real differences · 4 level
Dr. Virus versus Ultimate Level Maker / Builder: the parameters behind the verdict, then further details
ParameterDr. VirusUltimate Level Maker / Builder
PriceFreeFree
Rating2.5 (24 ratings)4.7 (69 ratings) — better
Positive reviews18.8% of reviews83.9% of reviews — better
Number of ratings2469 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size47 MB188 MB
Age rating4+9+
DeveloperQuang Duc VuJoshua Bellmyer

Customer experience

Dr. Virus

All ratings24 ratings
Positive29.2%
Neutral8.3%
Negative62.5%
Written reviews16 reviews
Positive18.8%
Neutral12.5%
Negative68.8%

Ultimate Level Maker / Builder

All ratings69 ratings
Positive88.4%
Neutral7.2%
Negative4.3%
Written reviews62 reviews
Positive83.9%
Neutral9.7%
Negative6.5%

Bugs and requests

Dr. Virus

Not enough reviews yet to summarise bugs or requests.

Ultimate Level Maker / Builder

Reported bugs

8 issues
  • Did not get hat after completing 5th year 2nd time
  • Glitch with magnet on giant potion
  • Lose a life when restarting a level
  • Colors are too dark and don't match image
  • Username glitch (SOMEBODYCOOL vs SOMEBODYCOOL XD)
Show 3 more
  • Cannot add a Sonic level
  • New update not on iOS
  • Restarting level loses a life

Requested features

37 requests
  • Add multiplayer and friends list
  • Add more bosses
  • Add more cosmetics and pets
  • Add chat for multiplayer
  • Allow replaying levels
Show 32 more
  • Add gravity switching like GD
  • Add friends to play with
  • Add a story mode
  • Allow uploading levels without completion
  • Add different kinds of coins
  • Add more characters to play as
  • Add playable character maker
  • Add a family or friends for Carbo
  • Add a girl version of Carbo or a dog/little brother
  • Add lily pad blocks
  • Add search functionality in the level editor
  • Add more blocks and items
  • Add multiplayer mode
  • Add ability to color Carbo
  • Add NPCs for storytelling
  • Add a view creator button with profiles
  • Add more lore for Carbo
  • Add side scrolling
  • Fix jet pack power up
  • Add plane power up
  • Add a bat boss
  • Add comments on user games
  • Add rating for user games
  • Add custom music for levels
  • Add more bone enemies
  • Add new bosses (Giga Beetle, Mansion Bat, Huge Riko)
  • Add mod support
  • Add level rating system
  • Improve lighting and shadows
  • Add playable character maker
  • Add boss maker
  • Add more world parts

In-app purchases

None

Dr. Virus

No in-app purchases

None

Ultimate Level Maker / Builder

No in-app purchases

Questions

Is Dr. Virus free?
Dr. Virus is free to download, with no in-app purchases.
Is Ultimate Level Maker / Builder free?
Ultimate Level Maker / Builder is free to download, with no in-app purchases.
Which has better reviews, Dr. Virus or Ultimate Level Maker / Builder?
Ultimate Level Maker / Builder is rated higher. Dr. Virus averages 2.5 out of 5 from 24 ratings, while Ultimate Level Maker / Builder averages 4.7 from 69 ratings.
Do Dr. Virus or Ultimate Level Maker / Builder have ads?
Ultimate Level Maker / Builder shows ads; Dr. Virus does not.
Which is updated more often, Dr. Virus or Ultimate Level Maker / Builder?
Dr. Virus ships an update every 2 months, and Ultimate Level Maker / Builder every 3 weeks. Most recently, Dr. Virus was updated on September 5, 2026 and Ultimate Level Maker / Builder on September 12, 2026.

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