Comparison

IdleSphere vs Unnamed Space Idle

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

Head to head
About

IdleSphere

Experience a visually stunning incremental game centered around spheres. Watch countless spheres come to life with synchronized graphics and in-game currency. Enjoy intuitive upgrades, a deep prestige system, and a wealth of content in this mesmerizing adventure.

Highlights
  • Visually stunning sphere graphics
  • Synchronized in-game currency and visuals
  • Intuitive upgrade system
  • Extensive prestige system
  • Zoom in and out functionality
  • Wealth of content
Features
Read full description

Introducing Idle Sphere, a stunningly beautiful incremental game that revolves around the captivating world of spheres. Prepare to be amazed as countless spheres come to life using cutting-edge technology. The game's graphics are seamlessly synchronized with the in-game currency, ensuring a mesmerizing visual experience. As you progress, you'll encounter increasingly complex, beautiful, and colossal spheres that will leave you in awe. Idle Sphere's gameplay is built on simple yet engaging upgrades, allowing you to enjoy the game intuitively. Immerse yourself in the satisfying experience of zooming in and out, admiring the exquisite beauty of the spheres. The game features an extensive prestige system that adds depth to your journey. Although some upgrades may reset when you prestige, fear not! You'll emerge stronger and quickly regain your former power, ready to take on new challenges. Despite its simplicity, Idle Sphere offers a wealth of content for you to explore and enjoy. Dive into this captivating world of spheres and embark on an unforgettable incremental gaming adventure!

About

Unnamed Space Idle

Engage in an endless sci-fi idle game battling alien waves. Customize your ship with unlockable weapons and defenses, and strategically upgrade various systems to increase your power. Make impactful decisions to counter enemy types and progress through a well-paced unfolding experience.

Highlights
  • Destroy alien waves
  • Customize ship with weapons/defenses
  • Unlockable systems and upgrades
  • Strategic decision-making
  • Progression and prestige systems
  • Craft and improve modules
Features
Read full description

No ads! Destroy unending waves of alien ships in this long form, unfolding, sci-fi idler. Unnamed Space Idle is an unfolding sci-fi idle game that plunges you into a relentless battle against an alien menace that has decimated humanity. Voted r/incremental_games "Best F2P game" 2024 & 2025. Customize your ship with an array of progressively unlocked weapons and defenses, strategically tailored to counter specific enemy types. With a plethora of unfolding systems and abundant options, you'll face crucial choices as you steadily increase you power through progression and prestige. A Myriad of Different Systems Discover over 10 distinct systems, each offering unique mechanics that evolve and expand over time. Core - Upgrade your Weapon, Defense and Utility cores with salvage gathered from enemies. Compute - Improve your combat stats over time in traditional Idle Game fashion Synth - Craft and improve modules and recipes to increase your power in various ways. Void Device - Slot in void shards dropped by enemies for different combinations of upgrades. Prestige - Unlock different ships, weapons, defenses and utilities. Reactor - Feed void matter into your reactor to power various system boosts. Research - Harness the research data obtained from different sectors to unlock various upgrades. And More... Impactful, Understandable Decisions Choose wisely when equipping your ship with weapons and defenses, selecting power-altering modules, or determining the optimal combination of shards to use. The distinction between optimal and sub-optimal choices can significantly impact your progress. But while there are a lot of decisions to be made, they are all plainly understandable so that the optimum, or at least very near optimum decision making is within your grasp! Consistent Progress and Unlocks Well paced progression combined with the amount of different systems, upgrades and enemies, means something new is frequently just around the corner.

Screenshots

IdleSphere4 screens
Unnamed Space Idle4 screens

Verdict

The call

The clearest difference is rating: Unnamed Space Idle at 4.6 against IdleSphere's 3.8. Unnamed Space Idle also leads on ads (none vs shown) and review sentiment (77% vs 47%). On price, in-app purchases, monetization model 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. IdleSphere sells 6 one-off in-app purchases and Unnamed Space Idle sells 15 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Unnamed Space Idle holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Unnamed Space Idle has 242 ratings behind it against 32, so its average is the more settled of the two. Written reviews point the same way: 47% of IdleSphere's written reviews are positive against 77% of Unnamed Space Idle's.

UpkeepUpdate frequency

IdleSphere ships an update every 8 days, Unnamed Space Idle every 2 days. The most recent releases landed on October 20, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
IdleSphere versus Unnamed Space Idle: the parameters behind the verdict, then further details
ParameterIdleSphereUnnamed Space Idle
PriceFreeFree
Rating3.8 (32 ratings)4.6 (242 ratings) — better
Positive reviews46.7% of reviews77.2% of reviews — better
Number of ratings32242 — better
Update frequencyEvery 8 daysEvery 2 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015
Further details — not scored
Size224 MB126 MB
Age rating4+9+
DeveloperIdle System, Inc.JDOG CORP

Customer experience

IdleSphere

All ratings32 ratings
Positive65.6%
Neutral18.8%
Negative15.6%
Written reviews30 reviews
Positive46.7%
Neutral26.7%
Negative26.7%

Unnamed Space Idle

All ratings203 ratings
Positive86.7%
Neutral2.0%
Negative11.3%
Written reviews101 reviews
Positive77.2%
Neutral5.9%
Negative16.8%

Bugs and requests

IdleSphere

Not enough reviews yet to summarise bugs or requests.

Unnamed Space Idle

Reported bugs

15 issues
  • UI is too small on mobile devices
  • Font size is too small, making text unreadable
  • Game crashes during fleet auto battles
  • Cannot open on iPadOS 14.8.1
  • Game freezes when playing on mobile network
Show 10 more
  • AI Smart Crafting not working
  • Module queue automation doesn't correctly identify materials
  • Buttons for base upgrades not working after last update
  • Small text and UI elements make interaction difficult
  • Game stuck in landscape mode
  • Dark red text on black background is hard to read
  • UI elements overlap or are difficult to press
  • Some text and buttons are too small to read or interact with on smaller phones
  • The game is not optimized for mobile screens, leading to unreadability and difficulty in control
  • Inability to copy and paste

Requested features

12 requests
  • UI rework for mobile
  • Improve UI readability
  • Optimize UI for smaller screens
  • Add French translation
  • Add Turkish language support
Show 7 more
  • Option to restart game
  • Better mobile screen utilization
  • Adjust module queue automation
  • Fix AI smart crafting
  • Improve collision detection for projectiles
  • Consider fantasy-oriented theme
  • Add audio to the game

In-app purchases

6 purchases

IdleSphere

One-time6
  • Chaotics 200$1.99
  • Chaotics 1000$6.99
  • Orbit Pack$7.99
Show 3 more
  • Permanent Bonus$9.99
  • Digital Winter$19.99
  • Chaotics 5000$29.99
15 purchases

Unnamed Space Idle

One-time15
  • Spacezard 400 AIPoints$1.99
  • Spaceversary 400 AI Points$1.99
  • Spacemas 400 AI Points$1.99
Show 12 more
  • 200 AI Points$1.99
  • QOL Bundle$2.49
  • Spacezard Bundle$2.99
  • Spacemas Bundle$2.99
  • RetroFuture Cosmetic$3.99
  • Spaceversary Bundle$3.99
  • Steampunk Cosmetic$3.99
  • 550 AI Points$4.99
  • Essentials Bundle$4.99
  • 1200 AI Points$9.99
  • Advanced Bundle$9.99
  • 2600 AI Points$19.99

Questions

Is IdleSphere free?
IdleSphere is free to download, with in-app purchases available.
Is Unnamed Space Idle free?
Unnamed Space Idle is free to download, with in-app purchases available.
Which has better reviews, IdleSphere or Unnamed Space Idle?
Unnamed Space Idle is rated higher. IdleSphere averages 3.8 out of 5 from 32 ratings, while Unnamed Space Idle averages 4.6 from 242 ratings.
Do IdleSphere or Unnamed Space Idle have ads?
IdleSphere shows ads; Unnamed Space Idle does not.
Which is updated more often, IdleSphere or Unnamed Space Idle?
IdleSphere ships an update every 8 days, and Unnamed Space Idle every 2 days. Most recently, IdleSphere was updated on October 20, 2026 and Unnamed Space Idle on October 30, 2026.

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