Feynman rules vs Operators Puzzle Number Games
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Feynman rules
Read full descriptionHide full description
This app introduces Feynman rules. You can get some understanding for Feynman diagrams. E is external point, V is vertex, P is propagator, and S is symmetry factor.
Operators Puzzle Number Games
Read full descriptionHide full description
Challenge Your Brain with Numbers and Operators! This game isn't just about filling in numbers. It's a whole new puzzle experience where your calculation skills and logical thinking are put to the test. Place numbers and operators in the right spots, ensuring all calculations are correct. Think carefully as you solve each puzzle—this game is perfect for brain training. - A Brain-Training Game : It's not just about placing numbers; you'll also need to work out calculations and think logically. - Multiple Difficulty Levels : Choose from five different difficulty levels, suitable for everyone from beginners to experts. - Hint System for Help : If you get stuck, use hints to find the solution and keep progressing. - Completely Free to Play : Enjoy endless puzzles without any cost. It's perfect for passing time or for a focused mental workout. This game challenges you to combine numbers and operators like a puzzle. It’s a great way to sharpen your focus and improve your thinking skills. Download now and start your brain-training journey today!
Screenshots
Verdict
Feynman rules and Operators Puzzle Number Games are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Feynman rules | Operators Puzzle Number Games |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Sungjun Kim | Takatoshi Ichige |
In-app purchases
Feynman rules
No in-app purchases
Operators Puzzle Number Games
No in-app purchases
Questions
Is Feynman rules free?
Is Operators Puzzle Number Games free?
Do Feynman rules or Operators Puzzle Number Games have ads?
Other comparisons















