Comparison

System Ascension vs Idle Polygon

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

Head to head
About

System Ascension

An incremental strategy game where you guide a stranded AI to build a planetary engine. Master energy sources, automate resources, and uncover a sci-fi story. The game features beautiful art, full narration, and cross-platform cloud saving.

Highlights
  • Incremental strategy gameplay
  • Resource automation
  • Planetary engine engineering
  • Sci-fi story
  • Cross-platform cloud saving
  • Fully narrated
Features
Read full description

System Ascension: Idle Core is a story-rich, incremental strategy game where you take control of a stranded artificial intelligence arriving on a mysterious planet. Master interlocking power sources, optimize your resource automation, and engineer the ultimate planetary engine. Will you conquer the old world to bring order to the new? Manage an ever-growing global engine of energy generation in an in-depth, multifaceted idle experience. Master planetary forces, from gravity and tidal pulls to the mysteries of quantum energy. Optimize your upgrades, balance your choices, and trigger cascading chain reactions that push your numbers into the stratosphere. Features: - Beautiful and mesmerizing art develops and grows based on your choices - Deep and engaging sci-fi story - Fully narrated by Angela Clark - Cross-platform cloud saving - No ads or in-app purchases of any kind A standalone idle game experience set inside the expansive universe of the isekai LitRPG/Gamelit series Judicator Jane, along with Idle Drops, Mind Construct and Force Escape.

About

Idle Polygon

Engage in a visually stunning incremental game with RPG battle elements. Upgrade your geometries and income to astronomical levels, and master prestige cycles for endless replayability.

Highlights
  • Mesmerizing geometric visuals
  • Incremental upgrades and income
  • RPG battles with strategic gameplay
  • Endless replayability with prestige cycles
  • Hypnotic art style
Features
Read full description

Mesmerizing Visuals: Expand your geometries through a clean, crisp, and hypnotic art style. Incremental Mechanics: Watch numbers soar as you upgrade shapes and income to astronomical levels. RPG Battles: Test your growth against tough opponents. Strategy is key to victory. Endless Replayability: Master the cycles of Prism and Spectrum Prestige to uncover hidden depths in an infinite loop.

Screenshots

System Ascension4 screens
Idle Polygon4 screens

Verdict

The call

The clearest difference is price: Idle Polygon at Free against System Ascension's $4.99. Idle Polygon also leads on iOS requirement (13.0 vs 15.0). System Ascension's advantage is rating (4.8 vs 3.0) and in-app purchases (none vs 7). On update cadence 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

Idle Polygon is free to download; System Ascension costs $4.99 up front. Idle Polygon sells 7 one-off in-app purchases. System Ascension asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

System Ascension holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: System Ascension has 46 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 71% of System Ascension's written reviews are positive against 50% of Idle Polygon's.

UpkeepUpdate frequency

System Ascension ships an update every 5 days, Idle Polygon every 9 days. Both last shipped on October 28, 2026.

Scorecard8 real differences · 2 level
System Ascension versus Idle Polygon: the parameters behind the verdict, then further details
ParameterSystem AscensionIdle Polygon
Price$4.99Free — better
Rating4.8 (46 ratings) — better3.0 (4 ratings)
Positive reviews71.4% of reviews — better50.0% of reviews
Number of ratings46 — better4
Update frequencyEvery 5 days — betterEvery 9 days
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size297 MB201 MB
Age rating12+4+
DeveloperStudio Rouleau IncKOKI MORITA

Customer experience

System Ascension

All ratings42 ratings
Positive92.9%
Neutral4.8%
Negative2.4%
Written reviews7 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

Idle Polygon

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

System Ascension

No in-app purchases

7 purchases

Idle Polygon

One-time7
  • Diamond S$0.99
  • Diamond M$2.99
  • Offline Boost$3.99
Show 4 more
  • Remove Ads$4.99
  • Diamond L$5.99
  • Diamond XL$29.99
  • Diamond MAX$59.99

Questions

Is System Ascension free?
System Ascension costs $4.99, with no in-app purchases.
Is Idle Polygon free?
Idle Polygon is free to download, with in-app purchases available.
Which has better reviews, System Ascension or Idle Polygon?
System Ascension is rated higher. System Ascension averages 4.8 out of 5 from 46 ratings, while Idle Polygon averages 3.0 from 4 ratings.
Do System Ascension or Idle Polygon have ads?
Idle Polygon shows ads; System Ascension does not.
Which is updated more often, System Ascension or Idle Polygon?
System Ascension ships an update every 5 days, and Idle Polygon every 9 days. Most recently, System Ascension was updated on October 28, 2026 and Idle Polygon on October 28, 2026.

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