Comparison

Roller Polar vs Invaders... From Space!

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

Head to head
About

Roller Polar

Guide a polar bear down a mountain on a giant snowball. Dodge obstacles like trees and boulders while collecting points. Experience dynamic day and night cycles and unlock achievements in this fast-paced arcade game.

Highlights
  • One-touch gameplay
  • Pixel art graphics
  • Dynamic day/night cycle
  • Unlockable achievements
  • Addictive gameplay
Features
Read full description

Take control of your Polar Bear and ride the snowball down the mountain. Watch out for the boulders, trees and wildlife! Day and night the ball keeps rolling, faster and faster it goes, what's the highest score? Nobody knows! Features: • Addictive one touch gameplay that is easy to pick up but difficult to master! • Awesome pixel art from the award winning studio Nitrome. • Real-time dynamic day and night gameplay. So if it's day outside, it's day in the game! If it's night... oh you get the idea! • Music by Dave Cowen(Creator of Icebreaker - A Viking Voyage) • Unlockable Achievements • It's a Polar Bear running on a giant snowball down a mountain! What more do you want! Important Message for Parents This game may include: - Direct links to social networking websites that are intended for an audience over the age of 13. - Direct links to the internet that can take players away from the game with the potential to browse any web page. - Advertising of Nitrome products.

About

Invaders... From Space!

Engage in intergalactic geography battles with this retro-inspired arcade game. Master geography and arcade skills across over 750 target locations in a unique 8-bit 3D environment. Experience intuitive touch controls and a nostalgic aesthetic.

Highlights
  • Intergalactic geography wars
  • 80's CRT screen aesthetic
  • Over 750 target locations
  • 8-bit-like 3D environment
  • Intuitive touch controls
  • 3D Touch support
Features
Read full description

“Invaders…From Space!” pays homage to 80’s CRT screens, P20 Pocket Operators, and the infamous (and much loved) Pico-8 colour palette. Offering an intuitive touch control system, 3D Touch, and over 750 target locations wrapped in an 8-bit-like 3D environment, you'll need to couple your mad geography skills with your mad arcade skills to excel at this genre mash-up. Kitschy, irreverent, retro-inspired, prepare for annihilation with a set of nimble fingers, only on the App Store.

Screenshots

Roller Polar4 screens
Invaders... From Space!4 screens

Verdict

The call

The clearest difference is ads: Invaders... From Space! at none against Roller Polar's shown. Invaders... From Space! also leads on update cadence (every 3 days vs every 9 months) and rating (4.5 vs 4.3). Roller Polar's advantage is ratings volume (62 vs 20). On price, review sentiment, in-app purchases and monetization model 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. Roller Polar sells 1 one-off in-app purchase and Invaders... From Space! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Invaders... From Space! holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 62 and 20 respectively. Written reviews point the same way: 59% of Roller Polar's written reviews are positive against 66% of Invaders... From Space!'s.

UpkeepUpdate frequency

Roller Polar ships an update every 9 months, Invaders... From Space! every 3 days. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

Scorecard5 real differences · 5 level
Roller Polar versus Invaders... From Space!: the parameters behind the verdict, then further details
ParameterRoller PolarInvaders... From Space!
PriceFreeFree
Rating4.3 (62 ratings)4.5 (20 ratings) — better
Positive reviews59.0% of reviews65.9% of reviews — better
Number of ratings62 — better20
Update frequencyEvery 9 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.09.0 — better
Further details — not scored
Size84 MB105 MB
Age rating4+9+
DeveloperNitromeFrosty Pop

Customer experience

Roller Polar

All ratings62 ratings
Positive80.6%
Neutral8.1%
Negative11.3%
Written reviews117 reviews
Positive59.0%
Neutral12.8%
Negative28.2%

Invaders... From Space!

All ratings20 ratings
Positive90.0%
Neutral0.0%
Negative10.0%
Written reviews41 reviews
Positive65.9%
Neutral7.3%
Negative26.8%

Bugs and requests

Roller Polar

Reported bugs

10 issues
  • Ads are impossible to remove
  • Blank ads prevent game return
  • Achievements are broken
  • Ads don't display properly
  • Game freezes or glitches
Show 5 more
  • Obstacles repeat without points
  • Game freezes visually but audio continues
  • Bear turns to another player
  • Double jump issues
  • Paid ad removal not working

Requested features

6 requests
  • More characters and unlockables
  • New game modes or maps
  • Customization options
  • Bring web games to mobile
  • Fix ad removal issues
Show 1 more
  • Improve obstacle visibility at night

Invaders... From Space!

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Roller Polar

One-time1
  • Remove Ads$1.99
1 purchases

Invaders... From Space!

One-time1
  • Remove Ads$1.99

Questions

Is Roller Polar free?
Roller Polar is free to download, with in-app purchases available.
Is Invaders... From Space! free?
Invaders... From Space! is free to download, with in-app purchases available.
Which has better reviews, Roller Polar or Invaders... From Space!?
Invaders... From Space! is rated higher. Roller Polar averages 4.3 out of 5 from 62 ratings, while Invaders... From Space! averages 4.5 from 20 ratings.
Do Roller Polar or Invaders... From Space! have ads?
Roller Polar shows ads; Invaders... From Space! does not.
Which is updated more often, Roller Polar or Invaders... From Space!?
Roller Polar ships an update every 9 months, and Invaders... From Space! every 3 days. Most recently, Roller Polar was updated on October 9, 2026 and Invaders... From Space! on October 4, 2026.

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