Comparison

PhysAI vs Sapling Isle

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

Head to head
About

PhysAI

Features
Read full description

Stuck on a tough physics problem? Meet [Insert App Name], your personal 24/7 AI-powered physics tutor! Whether you are dealing with complex mechanics, electromagnetism, or thermodynamics, simply snap a photo to get instant, detailed, step-by-step solutions. No more guessing, no more confusing answer keys - just clear, logical explanations that actually help you learn. KEY FEATURES: AI Photo Recognition: Snap a picture of any physics problem - handwritten or printed - and get precise solutions in seconds. Step-by-Step Breakdown: Don't just get the final answer. Understand the why and how with clear, logical steps and formula explanations. Interactive AI Chat: Have a question about step 3? Want to change a variable? Chat directly with the AI tutor to dive deeper into the concepts. History Log and Bookmarks: Never lose track of your progress. Access all your previously scanned questions and conversations anytime, even offline. PERFECT FOR: High school and college students tackling physics homework or preparing for exams like AP Physics or IB. Self-learners looking to master physics concepts at their own pace. Parents wanting to help their kids with tricky science assignments. A subscription is required to access the contents of the app. EULA LINK:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Sapling Isle

Features
Read full description

Sapling Isle is a multilingual interactive science lab that connects observable phenomena with advanced scientific concepts on iPhone and iPad. Change variables directly, observe how a system responds, read graphs and measurements, then explore the equations, assumptions, and limits behind the model. Explore nature and the universe • Control a 3D Solar System and observe planetary motion and astronomical time • Follow curved light, an accretion disk, and Einstein rings around a black hole Enter a hands-on physics lab • Explore forces, motion, heat, energy, magnetic fields, light, and atoms • Compare heating, compression, and diffusion in a 3D microscopic world • Investigate orbits, waves, entropy, Boltzmann distributions, quantum tunneling, and double-slit patterns Explore at your own depth • Start with direct manipulation and visual feedback • Continue with multivariable comparisons, measurements, and graphs • Go deeper into equations, approximations, and model boundaries • Choose from 10 interface languages • Adaptive layouts for both iPhone and iPad • No account, advertising, or cross-app tracking • Progress, camera frames, and experiment data are handled primarily on device Pick an island, begin with a phenomenon, and follow the evidence toward deeper models.

Screenshots

PhysAI4 screens
Sapling Isle4 screens

Verdict

The call

The clearest difference is in-app purchases: Sapling Isle at none against PhysAI's 2. On price, update cadence, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. PhysAI sells 2 in-app purchases, starting at $4.99 per 7 days. Sapling Isle asks for nothing beyond the download.

UpkeepUpdate frequency

PhysAI ships an update every 9 days, Sapling Isle fortnightly. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.

Scorecard1 real difference Ā· 5 level
PhysAI versus Sapling Isle: the parameters behind the verdict, then further details
ParameterPhysAISapling Isle
PriceFreeFree
Update frequencyEvery 9 days — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.0
Further details — not scored
Size24 MB40 MB
Age rating4+4+
Developer圣跃 巩大鹏 å¼ 

In-app purchases

2 purchases

PhysAI

Subscriptions2
  • Premium Monthly3 Days trial$4.997 Days
  • Pro Annual$29.991 Year
None

Sapling Isle

No in-app purchases

Questions

Is PhysAI free?
PhysAI is free to download, with in-app purchases available.
Is Sapling Isle free?
Sapling Isle is free to download, with no in-app purchases.
Do PhysAI or Sapling Isle have ads?
Neither PhysAI nor Sapling Isle shows ads.
Which is updated more often, PhysAI or Sapling Isle?
PhysAI ships an update every 9 days, and Sapling Isle fortnightly. Most recently, PhysAI was updated on September 25, 2026 and Sapling Isle on September 29, 2026.

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