Physics++ vs Auto Mechanic Bob
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Physics++
This app provides a comprehensive collection of over 120 physics formulas across various topics like mechanics, relativity, and thermodynamics. It includes a search function, unit conversions, and physics constants, with many formulas featuring integrated calculators for easy problem-solving.
- 120+ physics formulas
- Mechanics, relativity, thermodynamics coverage
- Search function for formulas
- Integrated formula calculators
- Physics constants and unit conversions
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Physics++ is the perfect companion for physics students and students of other science classes. Physics++ is a collection of physics formulas. The more than 120 formulas cover the topics mechanics, relativity, fluid mechanics, thermodynamics and electrodynamics. In addition there is a small number of primitives and a section with often used units. Physics constants are also included. With the search function formulas can now be found even faster. Most formulas have a calculator attached to them. So you can easily calculate values in exercises. In future update the number of formulas and constants will be increased.
Auto Mechanic Bob
Explore different types of engines with interactive animations and sounds. Test your knowledge with quizzes and practice diagnosing and fixing engine problems to earn certificates.
- Interactive engine animations
- Engine repair challenges
- Extensive engine quiz
- Starting system information
- Engine forums
- Printable certificates
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This is a fun educational app created to help you learn about the many different types of engines used in cars, trucks and small equipment. The first menu shows four types of engines. All of these engines work with colorful working animations and sounds. Four stroke engine Two stroke engine Wankle engine Steam engine Many of these engines are still currently being used today and others were used in the beginning of the automobile era. Professional mechanics and students will enjoy the challenge of the Engine quiz and the FIX Engine repair challenge. The next menu has informational pages covering The electrical starting system. An engine that needs repair in order for it to work. There is an engine quiz with over 110 different questions. Engine forums Starting system This is a fantastic way to learn about the starting system and related problems. Actual engine starting sounds are used to help you identify starting problems. Fix engine The engine is ready to go, but for many different reasons it won't start and run, you must correctly diagnose the problem part to make the engine run. If you can correctly diagnose and buy the engine parts without over spending you will earn a certificate. Engine quiz With over 110 different and challenging questions to test your mechanical knowledge you will be surprised on what you know or don't know. The more questions that you answer correctly you will move up the different certificate levels, up to Master mechanic. Save and print these certificates to prove your skill level. Engine forums A collection of popular engine forums on the web. It's a great way to learn about these different engines. You can also edit and change these web address to your preferred site. Learning these basic problems can actually help you start you own automobile engine or other small engine.
Screenshots
Verdict
The clearest difference is review sentiment: Physics++ at 68% against Auto Mechanic Bob's 0%. Physics++ also leads on rating (4.1 vs 1.0) and update cadence (every 5 weeks vs every 103 months). On price, ads, in-app purchases and monetization model 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
Physics++ costs $0.99 and Auto Mechanic Bob $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Physics++ holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: Physics++ has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 68% of Physics++'s written reviews are positive against 0% of Auto Mechanic Bob's.
Physics++ ships an update every 5 weeks, Auto Mechanic Bob every 103 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.
| Parameter | Physics++ | Auto Mechanic Bob |
|---|---|---|
| Price | $0.99 | $0.99 |
| Rating | 4.1 (10 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 68.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 10 — better | 1 |
| Update frequency | Every 5 weeks — better | Every 103 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.5 | 13.1 — better |
| Further details — not scored | ||
| Size | 75 MB | 20 MB |
| Age rating | 4+ | 17+ |
| Developer | Dominik Hauser | Michael OMassey |
Customer experience
Physics++
Auto Mechanic Bob
In-app purchases
Physics++
No in-app purchases
Auto Mechanic Bob
No in-app purchases
Questions
Is Physics++ free?
Is Auto Mechanic Bob free?
Which has better reviews, Physics++ or Auto Mechanic Bob?
Do Physics++ or Auto Mechanic Bob have ads?
Which is updated more often, Physics++ or Auto Mechanic Bob?
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