Comparison

Physics Ai vs CWENG Test Prep

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

Head to head
About

Physics Ai

Features
Read full description

Snap a photo of any math, physics or chemistry problem and see every step of the solution. Physics Ai is a homework solver, tutor and study planner in one app: it explains the method, teaches it back to you and keeps every exam on your calendar. HOW IT WORKS: 1. Snap or type the problem. One camera works for math, physics and chemistry, and the AI finds the subject for you. 2. Get the full method: the given values, each step and the final answer. 3. Tap Teach me for a short lesson that asks you questions, or ask the AI tutor about any step. STEP-BY-STEP HOMEWORK SOLVER: - Math solver for algebra, geometry, trigonometry, calculus and probability - Physics solver for mechanics, heat, electricity and magnetism, optics and waves - Chemistry solver for atoms, bonding, moles and stoichiometry, acids and bases and organic chemistry - Wrong subject? Tap "Solve as" and pick it yourself - Every solve is saved in your history TEACH ME AND AI TUTOR: - Short lessons that check what you understood with questions - Ask follow-up questions about any solution, in your own words - Answers come in your language QUIZZES AND FLASHCARDS: - Topic quizzes that explain every answer - Flashcards for formulas and key ideas - Mastery by subject shows your weak topics STUDY PLANNER: - Timetable, homework due dates and exam countdown - Reminders for classes, homework and exams - Study streak and a weekly report FREE TOOLS: - Scientific calculator and graphing - Unit converter - Periodic table with all 118 elements - Formula sheets with a formula calculator PHYSICS AI PRO: Free users get a few photo solves a day with the answer and the first step. Pro unlocks unlimited solves, every step, Teach me, the AI tutor, quizzes and flashcards. The planner, progress and tools stay free. Physics Ai works in 46 languages, in light and dark mode. Sign in to keep your history, plan and streak on all your devices. If there are questions, please contact us at support@codememory.com End-User License Agreement https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

CWENG Test Prep

Features
Read full description

The CWEng (Certified Welding Engineer) credential validates advanced expertise in welding engineering, including process selection, metallurgy, weld design, codes and standards, and quality control. This app helps you pass with realistic practice questions and clear explanations that reinforce the technical concepts the exam covers. FEATURES - Hundreds of practice questions with detailed answer explanations - Quick 10 mode for fast study sessions - Full mock exam that mirrors the real test format - Timed mode to build exam-day pacing - Missed-questions review to target weak areas - Study by topic across processes, metallurgy, design, and codes - Progress tracking to see your readiness improve - Works fully offline, free to start WHO IT'S FOR Welding engineers, inspectors, and fabrication professionals preparing for welding certification. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://flysky-privacy.pages.dev

Screenshots

Physics Ai4 screens
CWENG Test Prep4 screens

Verdict

The call

The clearest difference is iOS requirement: CWENG Test Prep at 13.0 against Physics Ai's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Physics Ai sells 3 in-app purchases, starting at $4.99 per 7 days and CWENG Test Prep sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference ยท 5 level
Physics Ai versus CWENG Test Prep: the parameters behind the verdict, then further details
ParameterPhysics AiCWENG Test Prep
PriceFreeFree
Update frequencyEvery 5 daysโ€”
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.013.0 โ€” better
Further details โ€” not scored
Size61 MB26 MB
Age rating4+4+
DeveloperCodememory LLCFLY SKY PTY LTD

In-app purchases

3 purchases

Physics Ai

Subscriptions2
  • Premium Weekly3 Days trial$4.997 Days
  • Premium Yearly3 Days trial$29.991 Year
One-time1
  • Physics Ai Pro Lifetime$69.99
3 purchases

CWENG Test Prep

Subscriptions2
  • Certified Welding Engineer Ful$6.997 Days
  • Certified Welding Engineer Ful$16.991 Month
One-time1
  • Certified Welding Engineer Ful$69.99

Questions

Is Physics Ai free?
Physics Ai is free to download, with in-app purchases available.
Is CWENG Test Prep free?
CWENG Test Prep is free to download, with in-app purchases available.
Do Physics Ai or CWENG Test Prep have ads?
Neither Physics Ai nor CWENG Test Prep shows ads.

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