# PhysicsBench: Circuit Puzzle — Optics, levers & science lab

> Realistic physics simulation puzzles with formula explanations and offline play. (iPhone/iPad app by 献慧 陈.)

- Source: https://appshunter.io/ios/app/physicsbench-circuit-puzzle/id6813391010 (this page in markdown: same URL + `.md`)
- Developer: [献慧 陈](https://appshunter.io/developer/1896370005)
- Category: Education, Reference
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 10 MB
- Languages: Chinese (Simplified, China), German (Germany), Japanese, French (France), Chinese (Traditional, Hong Kong SAR China), American English, European Spanish, Korean
- Released: 2026-09-22
- Data updated: 2026-10-12
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/physicsbench-circuit-puzzle/id6813391010/reviews.md

## What is PhysicsBench?

Solve real physics, not fake wiring puzzles. PhysicsBench simulates actual circuits, light paths and torque — then shows you the formula behind your solution.

Wire a battery, close a switch, watch current flow and a bulb light up. Bounce a beam off mirrors into the target. Balance a lever with the right weights. Every level ends with a Principle Card: the law, the formula, and your level's real numbers substituted in.

MAIN FEATURES
• 108 levels across seven subjects: Circuits, Optics, Mechanics, Dynamics, Electromagnetism, Heat & Fluids, Waves & Sound
• Three difficulties per subject: Intro, Core, Brainer
• True simulation — nodal analysis for DC circuits with diodes and capacitors, ray tracing for light, torque balance, and closed-form models for motion, induction, heat and sound
• Principle Card after every solve, with your own values
• Daily experiment with streaks
• Courses by topic, a review queue for levels you needed hints on, and a mastery radar
• Unlimited hints, never a consumable
• Import and play levels friends share as a code or .physlab file
• Home-screen widget, Apple Pencil notes and bench recording
• Works fully offline. No ads, no accounts, no tracking

PRO — ONE-TIME PURCHASE
• All 108 levels, including every Brainer level
• Full step-by-step derivation on every Principle Card
• Frame-by-frame replay with velocity and force arrows, and a draggable RC charging curve
• Free Bench lab: sliders for every model, plus building, naming and saving experiments
• Level editor that proves your puzzle is solvable before you share it
• Full probe panel: per-branch voltage, current and power; every beam path; torque breakdown
• Four extra themes and three alternate app icons
• Future local Pro levels in this app

ANSWER REPORTS — OPTIONAL
Stuck? Unlock the worked answer for a difficulty with a separate one-time purchase: the solved bench, every move with its reason and the principle worked through. Not included in Pro; hints stay free.

PRIVACY
Everything runs on your device. Progress syncs through your own private iCloud. No account, no analytics SDK, no data sent to us.

NOTE
Levels use teaching-simplified models (ideal wires, batteries with internal resistance, single-colour rays). The in-app "About the model" page lists every assumption.

Support · Privacy Policy · Terms of Use are in Settings.

## Key features

- Realistic physics simulations
- Principle Cards with formulas
- 108 levels across 7 subjects
- Daily experiments and streaks
- Offline play
- Level editor
- Pro version with advanced features

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro Lifetime | $4.99 | one-time |
| Intro Answers | $0.99 | one-time |
| Core Answers | $1.99 | one-time |
| Brainer Answers | $2.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/physicsbench-circuit-puzzle/id6813391010/reviews.md

### 4/5 — 都解锁 pro 版了，解锁关卡答案还需要再付费

*2026-10-01*

很不合理

**Developer response:** 您好，感谢您的反馈！

Pro 会员与关卡答案解锁属于两项独立的服务，计费方式有所不同。

开通 Pro 会员后，您可以使用平台内的全部题目及相关功能，不受题目使用权限限制；而关卡答案及解析属于额外提供的增值服务，需要单独解锁。

我们理解这可能给您带来了困惑，后续也会进一步优化相关权益说明，让各项服务的内容和收费方式更加清晰透明。

感谢您的理解与支持！

## Frequently asked questions about PhysicsBench

### What physics concepts does PhysicsBench cover?

PhysicsBench covers seven subjects: Circuits, Optics, Mechanics, Dynamics, Electromagnetism, Heat & Fluids, and Waves & Sound. Each subject includes three difficulty levels: Intro, Core, and Brainer.

### Does PhysicsBench require an internet connection to play?

No, PhysicsBench works fully offline. You do not need an internet connection to play any of the levels or use its features.

### What is included in the Pro version of PhysicsBench?

The Pro version is a one-time purchase that unlocks all 108 levels, full step-by-step derivations on Principle Cards, a Free Bench lab for custom experiments, a level editor, and a full probe panel for detailed analysis.

### How does PhysicsBench explain the physics principles?

After solving each level, PhysicsBench provides a Principle Card that shows the relevant law and formula, with your level's specific numbers substituted in. The Pro version offers full step-by-step derivations.

### Can I share levels I create in PhysicsBench?

Yes, PhysicsBench includes a level editor that allows you to create and share your own puzzles. The editor also proves your puzzle is solvable before you share it.

### What is the age rating for PhysicsBench?

PhysicsBench has an age rating of 4+, making it suitable for a wide range of users interested in learning physics.

### How often is PhysicsBench updated?

The app was last updated on September 24, 2026, with version 1.1. Future local Pro levels are planned for this app.

### Does PhysicsBench have ads?

No, PhysicsBench is ad-free. The description explicitly states 'No ads, no accounts, no tracking'.

## Version history (last 5 releases)

### 1.3.2 — 2026-10-10

This app is independently developed and maintained by an indie developer. Feedback and bug reports are always welcome. For collaboration inquiries, please contact me by email. Enjoy the app.
Email: yemaozi2026@outlook.com

The Pro screen now states that answer reports are a separate purchase and are not included in Pro.

### 1.3.1 — 2026-10-08

This app is independently developed and maintained by an indie developer. Feedback and bug reports are always welcome. For collaboration inquiries, please contact me by email. Enjoy the app.
Email: yemaozi2026@outlook.com

Widget mastery now counts unaided solves. The current bench stays open if saving fails, and solved results can be saved again. Retrying a daily result after midnight no longer awards another day. Clearer notices for saved work and widget updates.

### 1.3 — 2026-10-07

This app is independently developed and maintained by an indie developer. Feedback and bug reports are always welcome. For collaboration inquiries, please contact me by email. Enjoy the app.
Email: yemaozi2026@outlook.com

Sharing, printing, and PDF export now say whether they finished, were cancelled, or failed. Share sheets for levels, results, and Settings stay open until you close them.

### 1.2 — 2026-10-01

This app is independently developed and maintained by an indie developer. Feedback and bug reports are always welcome. For collaboration inquiries, please contact me by email. Enjoy the app.
Email: yemaozi2026@outlook.com

All 108 levels now ask you to calculate changed conditions: one step for Intro, two for Core, and three for Brainer. Share mechanics and experiment challenges offline. Opt in to a daily 7 PM local reminder. Save or print unlocked answer reports as PDFs.

### 1.1 — 2026-09-24

This app is independently developed and maintained by an indie developer. Feedback and bug reports are always welcome. For collaboration inquiries, please contact me by email. Enjoy the app.
Email: yemaozi2026@outlook.com

Built for iOS 27, still runs on iOS 16 and later.
• Four new subjects — Dynamics, Electromagnetism, Heat & Fluids, Waves & Sound: 48 new levels, 108 in all
• New parts: diodes, LEDs, capacitors and potentiometers
• Daily experiment with streaks
• Courses by topic, a review queue and a mastery radar
• Level editor with shareable codes and .physlab files
• Frame-by-frame replay with vectors, lab sliders, widget, Pencil notes, recording, new themes and icons
• Optional answer reports, sold per difficulty

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-12.*