Riddle Doodles vs Feynman rules
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Riddle Doodles
Engage your mind with a collection of unique riddles and puzzles. Play at your own pace, with options for hints and solutions when you get stuck. A relaxing and fun experience for all ages.
- 51 unique puzzles
- Play at your own pace
- Hints available
- Solutions provided
- Relaxing gameplay
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Riddle Doodles is a set of 51 puzzles that you can play at your own pace. There are 17 unique riddles in this game. If you get stuck, you can always open hint or solution. Relax and have fun!
Feynman rules
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: Feynman rules at none against Riddle Doodles's 1. Feynman rules also leads on ads (none vs shown). Riddle Doodles's advantage is iOS requirement (9.0 vs 16.0). On price and device support 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
Both are free to download. Riddle Doodles sells 1 one-off in-app purchase. Feynman rules asks for nothing beyond the download.
| Parameter | Riddle Doodles | Feynman rules |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 9 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 30 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Pawel Delimata | Sungjun Kim |
In-app purchases
Riddle Doodles
- No Ads$1.99
Feynman rules
No in-app purchases
Questions
Is Riddle Doodles free?
Is Feynman rules free?
Do Riddle Doodles or Feynman rules have ads?
Other comparisons
