Comparison

Germs! vs Twisty Rails

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

Head to head
About

Germs!

Navigate a microscopic world, collecting gunk while evading nasty bacteria and viruses. Compete for high scores on the Game Center leaderboard and challenge friends. This fast-paced, addictive game offers intuitive twitch-like gameplay for all ages.

Highlights
  • Collect gunk
  • Avoid germs and viruses
  • Compete on Game Center leaderboard
  • Unlock new enemies
  • Intuitive twitch-like gameplay
  • Battle friends online
Features
Read full description

Avoid the germs while collecting gunk and keep your microbe alive for as long as you can! Easy to play but how long will you last? Speedy power ups aid you reach the game center leaderboard. Check out our other games. Your a clean, pure hearted little organism who has to get away from the nasty bacteria plague. Be quick and nimble as it's up to you to direct your hero thru the terrors of the microscopic battle. Avoid virus and bacteria like creatures with quick twitch decisions. Fun for all ages and you can compete against friends on game center. Features: + Unlock new enemies with high scores + Simple yet… intuitive twitch-like gameplay + Fast and fun + Post score to game center + Highly addicting + World and Individual Ranking + Battle Friends Online Get it while it's free! Download it now!

About

Twisty Rails

Build and expand a marble run track to earn in-game currency. Merge colored balls to create new colors and increase your earnings. Rotate your view to admire your creation from different angles.

Highlights
  • Build marble run tracks
  • Earn in-game money
  • Expand toy by extending path
  • Merge colored balls
  • Create new colors
  • Rotate screen for different views
Features
Read full description

You will be addicted! Earn money as the marbles roll and enlarge your toy by extending the path in the desired direction. Create new colors by merging colored balls and earn more money with new colors. Rotate the screen to watch your toy from various angles.

Screenshots

Germs!4 screens
Twisty Rails4 screens

Verdict

The call

The clearest difference is rating: Twisty Rails at 4.7 against Germs!'s 1.0. Twisty Rails also leads on review sentiment (33% vs 0%) and update cadence (every 10 days vs every 34 months). Germs!'s advantage is in-app purchases (none vs 19) and ads (none vs shown). 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. Twisty Rails sells 18 one-off in-app purchases. Germs! asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Twisty Rails holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Twisty Rails has 16K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of Germs!'s written reviews are positive against 33% of Twisty Rails's.

UpkeepUpdate frequency

Germs! ships an update every 34 months, Twisty Rails every 10 days. The most recent releases landed on October 21, 2026 and November 1, 2026 respectively.

Scorecard8 real differences · 2 level
Germs! versus Twisty Rails: the parameters behind the verdict, then further details
ParameterGerms!Twisty Rails
PriceFreeFree
Rating1.0 (4 ratings)4.7 (16K ratings) — better
Positive reviews0.0% of reviews32.8% of reviews — better
Number of ratings416K — better
Update frequencyEvery 34 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size33 MB164 MB
Age rating4+4+
DeveloperEmrah KavakUpperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi

Customer experience

Germs!

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Twisty Rails

All ratings10,526 ratings
Positive93.3%
Neutral3.3%
Negative3.4%
Written reviews262 reviews
Positive32.8%
Neutral7.6%
Negative59.5%

Bugs and requests

Germs!

Not enough reviews yet to summarise bugs or requests.

Twisty Rails

Reported bugs

3 issues
  • Disappearing balls and buttons
  • Constant game resets
  • Paid ad-free option not working

Requested features

3 requests
  • Ability to build custom tracks
  • More levels and content
  • Improved ad-free experience

In-app purchases

None

Germs!

No in-app purchases

18 purchases

Twisty Rails

One-time18
  • No ads for 24 hours$1.99
  • 10 Tickets$1.99
  • Money Fountain Pack$2.99
Show 15 more
  • Engineer$2.99
  • Financier$2.99
  • Manager$2.99
  • 20 Tickets$2.99
  • Mega Bundle 50%$4.49
  • Royal Treasury Pack$4.99
  • No Ads$4.99
  • 50 Tickets$4.99
  • 30 Tickets & No Ads$5.99
  • Bundle Pack$5.99
  • NoAds + Mega Cash Pack$6.99
  • Treasury Trove Pack$7.99
  • Mega Bundle$8.99
  • Big Chest Treasure2 variants$11.99
  • Ultra Bundle$12.99

Questions

Is Germs! free?
Germs! is free to download, with no in-app purchases.
Is Twisty Rails free?
Twisty Rails is free to download, with in-app purchases available.
Which has better reviews, Germs! or Twisty Rails?
Twisty Rails is rated higher. Germs! averages 1.0 out of 5 from 4 ratings, while Twisty Rails averages 4.7 from 16K ratings.
Do Germs! or Twisty Rails have ads?
Twisty Rails shows ads; Germs! does not.
Which is updated more often, Germs! or Twisty Rails?
Germs! ships an update every 34 months, and Twisty Rails every 10 days. Most recently, Germs! was updated on October 21, 2026 and Twisty Rails on November 1, 2026.

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