Comparison

AP Chem Kinetics Sim vs IdleSphere

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

Head to head
About

AP Chem Kinetics Sim

Explore chemical kinetics through an interactive game designed for AP Chemistry students. This simulation allows for hands-on learning of reaction rates and mechanisms. Developed by students, it offers a unique educational experience.

Highlights
  • Interactive simulation
  • Kinetics concepts
  • AP Chemistry focus
  • Student-developed
  • Educational gameplay
Features
Read full description

AP Chemistry Kinetics Game created by students, no affiliation with College Board

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

AP Chem Kinetics Sim2 screens
IdleSphere4 screens

Verdict

The call

The clearest difference is rating: AP Chem Kinetics Sim at 5.0 against IdleSphere's 3.8. AP Chem Kinetics Sim also leads on in-app purchases (none vs 6) and ads (none vs shown). IdleSphere's advantage is update cadence (every 8 days vs every 6 months) and ratings volume (32 vs 2). On price, 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. IdleSphere sells 6 one-off in-app purchases. AP Chem Kinetics Sim asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

AP Chem Kinetics Sim holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: IdleSphere has 32 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

AP Chem Kinetics Sim ships an update every 6 months, IdleSphere every 8 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard6 real differences · 4 level
AP Chem Kinetics Sim versus IdleSphere: the parameters behind the verdict, then further details
ParameterAP Chem Kinetics SimIdleSphere
PriceFreeFree
Rating5.0 (2 ratings) — better3.8 (32 ratings)
Positive reviews—46.7% of reviews
Number of ratings232 — better
Update frequencyEvery 6 monthsEvery 8 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size0 MB224 MB
Age rating4+4+
DeveloperJason Todd GentryIdle System, Inc.

Customer experience

AP Chem Kinetics Sim

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

IdleSphere

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

In-app purchases

None

AP Chem Kinetics Sim

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 AP Chem Kinetics Sim free?
AP Chem Kinetics Sim is free to download, with no in-app purchases.
Is IdleSphere free?
IdleSphere is free to download, with in-app purchases available.
Which has better reviews, AP Chem Kinetics Sim or IdleSphere?
AP Chem Kinetics Sim is rated higher. AP Chem Kinetics Sim averages 5.0 out of 5 from 2 ratings, while IdleSphere averages 3.8 from 32 ratings.
Do AP Chem Kinetics Sim or IdleSphere have ads?
IdleSphere shows ads; AP Chem Kinetics Sim does not.
Which is updated more often, AP Chem Kinetics Sim or IdleSphere?
AP Chem Kinetics Sim ships an update every 6 months, and IdleSphere every 8 days. Most recently, AP Chem Kinetics Sim was updated on October 24, 2026 and IdleSphere on October 20, 2026.

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