Comparison

Upload Simulator 2 vs IdleSphere

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

Head to head
About

Upload Simulator 2

Simulate the process of uploading data to earn credits, upgrade your hardware, and research new technologies. Discover unique artifacts, craft modules, and customize your operating system with themes and wallpapers.

Highlights
  • GPU mining for credits
  • Upgrade hardware setup
  • Research new technologies
  • Craft modules
  • Customize OS with themes
  • Discover unique artifacts
Features
Read full description

Use your powerful GPU to mine credits and upgrade your setup even further! Get unique upgrades using your hard-gained reputation as an uploader! Use your uploaded data into the laboratory to research amazing new tech and boost your setup even more! Hack into the system and speed up your game with different abilities! Choose the format of your uploads for different outcomes! Find unique artifacts that grant you with different bonus effects! Collect resources to craft modules and modify your system! And customize your OS with different themes or even with the wallpaper of your choice!

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!

Screenshots

Upload Simulator 24 screens
IdleSphere4 screens

Verdict

The call

The clearest difference is price: IdleSphere at Free against Upload Simulator 2's $3.99. Upload Simulator 2's advantage is rating (4.4 vs 3.8) and in-app purchases (none vs 6). On ratings volume 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

IdleSphere is free to download; Upload Simulator 2 costs $3.99 up front. IdleSphere sells 6 one-off in-app purchases. Upload Simulator 2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Upload Simulator 2 holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 18 and 32 respectively. Written reviews point the same way: 80% of Upload Simulator 2's written reviews are positive against 47% of IdleSphere's.

UpkeepUpdate frequency

Upload Simulator 2 ships an update every 2 days, IdleSphere every 8 days. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

Scorecard8 real differences · 2 level
Upload Simulator 2 versus IdleSphere: the parameters behind the verdict, then further details
ParameterUpload Simulator 2IdleSphere
Price$3.99Free — better
Rating4.4 (18 ratings) — better3.8 (32 ratings)
Positive reviews80.0% of reviews — better46.7% of reviews
Number of ratings1832 — better
Update frequencyEvery 2 days — betterEvery 8 days
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size125 MB224 MB
Age rating4+4+
DeveloperEnigmaDev StudiosIdle System, Inc.

Customer experience

Upload Simulator 2

All ratings18 ratings
Positive83.3%
Neutral5.6%
Negative11.1%
Written reviews10 reviews
Positive80.0%
Neutral10.0%
Negative10.0%

IdleSphere

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

In-app purchases

None

Upload Simulator 2

No 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

Questions

Is Upload Simulator 2 free?
Upload Simulator 2 costs $3.99, with no in-app purchases.
Is IdleSphere free?
IdleSphere is free to download, with in-app purchases available.
Which has better reviews, Upload Simulator 2 or IdleSphere?
Upload Simulator 2 is rated higher. Upload Simulator 2 averages 4.4 out of 5 from 18 ratings, while IdleSphere averages 3.8 from 32 ratings.
Do Upload Simulator 2 or IdleSphere have ads?
IdleSphere shows ads; Upload Simulator 2 does not.
Which is updated more often, Upload Simulator 2 or IdleSphere?
Upload Simulator 2 ships an update every 2 days, and IdleSphere every 8 days. Most recently, Upload Simulator 2 was updated on October 1, 2026 and IdleSphere on October 11, 2026.

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