Comparison

Snake o.S. vs Prehistoric Worm Worlds

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

Head to head
About

Snake o.S.

Guide a growing snake through different game modes, including a story and an infinite race. Unlock additional challenges by completing the narrative. Explore a unique world where a giant serpent is the protagonist.

Highlights
  • Guide and grow the snake
  • Story mode
  • Infinite race mode
  • Unlockable game modes
  • Hints for unlocking content
Features
Read full description

SoS: Snake on a Sphere :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Guide the snake, let her eat, and see it grow! A story mode and a infinite race mode! Clear the story mode and use the hints within the game to unlock 3 different game modes. More info: * http://snake.endavid.com/

About

Prehistoric Worm Worlds

Control a prehistoric worm to destroy pixelated worlds, collect cards, and evolve your creature. Engage in addictive destruction gameplay with retro pixel art and build powerful decks to conquer diverse environments and military forces. Enjoy offline play and regular updates.

Highlights
  • Addictive destruction gameplay
  • Pixel art style
  • Card collecting and deck building
  • Explore diverse worlds
  • Fight military forces
  • Offline play
  • Regular updates
Read full description

Wreak havoc in pixelated worlds with your prehistoric worm! Unleash chaos, destroy everything in your path, and collect powerful cards to evolve your unstoppable worm. Prehistoric Worm Worlds is the ultimate destruction and card-collection game, designed for fans of pixel art, monsters, and mayhem. Easy to play, hard to stop. Grow your worm, eat enemies, and dominate pixel worlds filled with danger and rewards. Unlock new zones, build powerful decks, and upgrade your worm to face everything from tanks to helicopters! Game Features * Addictive Destruction Gameplay – Simple tap-and-play mechanics make chaos fun for everyone. * Pixel-Perfect Style – Retro pixel art and smooth animations for classic arcade vibes. * Card Collecting & Deck Building – Find rare cards and build decks to customize your worm’s abilities. * Explore Diverse Worlds – Travel through unique environments, each with new enemies and challenges. * Fight Military Forces – Battle tanks, jets, submarines, and armed enemies trying to stop your rampage. * Missions & Rewards – Complete daily quests and unlock cards, power-ups, and epic loot. * Offline Play – No internet? No problem. Enjoy the chaos anytime, anywhere. * Regular Updates – More worms, cards, and worlds coming soon! Whether you’re into card battlers, retro games, or just love to destroy, this game has it all. Download now and become the ultimate pixel predator!

Screenshots

Snake o.S.4 screens
Prehistoric Worm Worlds4 screens

Verdict

The call

The clearest difference is in-app purchases: Snake o.S. at none against Prehistoric Worm Worlds's 10. Snake o.S. also leads on ads (none vs shown) and review sentiment (100% vs 89%). Prehistoric Worm Worlds's advantage is rating (4.7 vs 4.3) and update cadence (every 3 weeks vs every 3 months). On price, ratings volume, 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. Prehistoric Worm Worlds sells 10 one-off in-app purchases. Snake o.S. asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Prehistoric Worm Worlds holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 21 and 26 respectively. Written reviews complicate that: 100% of Snake o.S.'s written reviews are positive against 89% of Prehistoric Worm Worlds's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Snake o.S. ships an update every 3 months, Prehistoric Worm Worlds every 3 weeks. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

Scorecard6 real differences · 4 level
Snake o.S. versus Prehistoric Worm Worlds: the parameters behind the verdict, then further details
ParameterSnake o.S.Prehistoric Worm Worlds
PriceFreeFree
Rating4.3 (21 ratings)4.7 (26 ratings) — better
Positive reviews100.0% of reviews — better88.9% of reviews
Number of ratings2126 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size10 MB33 MB
Age rating4+12+
DeveloperDavid GavilanDominik Rossmanith

Customer experience

Snake o.S.

All ratings21 ratings
Positive81.0%
Neutral4.8%
Negative14.3%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Prehistoric Worm Worlds

All ratings16 ratings
Positive93.8%
Neutral6.3%
Negative0.0%
Written reviews9 reviews
Positive88.9%
Neutral11.1%
Negative0.0%

In-app purchases

None

Snake o.S.

No in-app purchases

10 purchases

Prehistoric Worm Worlds

One-time10
  • Small Packs$0.99
  • Small special packs$0.99
  • Medium Special Packs$1.99
Show 7 more
  • No Ads$1.99
  • Combo Pack$2.99
  • Starter pack$3.99
  • Huge Special Packs$3.99
  • King Coins$5.99
  • King Packs$5.99
  • King Special Packs$5.99

Questions

Is Snake o.S. free?
Snake o.S. is free to download, with no in-app purchases.
Is Prehistoric Worm Worlds free?
Prehistoric Worm Worlds is free to download, with in-app purchases available.
Which has better reviews, Snake o.S. or Prehistoric Worm Worlds?
Prehistoric Worm Worlds is rated higher. Snake o.S. averages 4.3 out of 5 from 21 ratings, while Prehistoric Worm Worlds averages 4.7 from 26 ratings.
Do Snake o.S. or Prehistoric Worm Worlds have ads?
Prehistoric Worm Worlds shows ads; Snake o.S. does not.
Which is updated more often, Snake o.S. or Prehistoric Worm Worlds?
Snake o.S. ships an update every 3 months, and Prehistoric Worm Worlds every 3 weeks. Most recently, Snake o.S. was updated on November 1, 2026 and Prehistoric Worm Worlds on November 4, 2026.

Other comparisons