# Slash/Dots. vs Feynman rules

The clearest difference is in-app purchases: Feynman rules at none against Slash/Dots.'s 6. Slash/Dots.'s advantage is iOS requirement (8.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Slash/Dots. sells 6 one-off in-app purchases. Feynman rules asks for nothing beyond the download.

## The numbers

| Metric | Slash/Dots. | Feynman rules |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (986 ratings)](https://appshunter.io/ios/app/slashdots-physics-puzzles/id1238595611/reviews)** | — |
| Number of ratings | **986** | — |
| Positive reviews | 47.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 166 MB | 6 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [GIBIER GAMES LIMITED LIABILITY CO.](https://appshunter.io/developer/1187051256) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Slash/Dots.

[App page](https://appshunter.io/ios/app/slashdots-physics-puzzles/id1238595611)

Engage in a physics-based puzzle adventure where you strategically cut wood to interact with balls. Over 100 challenging stages await, from simple to complex. Unleash your creativity with a stage maker featuring ramps, motors, gears, and dominos.

**Highlights:** Physics-based puzzles, Wood cutting mechanics, Over 100 stages, Stage Maker tool, Interactive elements (ramps, motors, gears, dominos)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 hints | $0.99 | one-time |
| Unlock all stages | $2.99 | one-time |
| 25hints | $3.99 | one-time |
| remove ads | $4.99 | one-time |
| 50 hints | $6.99 | one-time |
| Infinite hints | $9.99 | one-time |

**What reviewers like**

- 🎶 Enjoyable background music
- 💡 Ability to create custom stages
- 🕹️ Simple yet challenging gameplay
- 🤔 Engaging puzzles that make you think

**What reviewers complain about**

- 🧟‍♀️ Frequent ads that disrupt gameplay
- 🐛 Occasional crashes and freezes
- 🤯 Overly difficult stages with poor guidance
- 🤔 Unclear save/publish functionality

**Reported bugs**

- Game freezes after completing levels
- Ads fail to load or play properly
- Levels sometimes fail to load correctly

**Requested features**

- More levels and stage creation options
- Ability to mute ads or pay to remove them
- Better in-game progress tracking
- Improved stability and performance


### Feynman rules

[App page](https://appshunter.io/ios/app/feynman-rules/id6478752222)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Slash/Dots. free?

Slash/Dots. is free to download, with in-app purchases available.

### Is Feynman rules free?

Feynman rules is free to download, with no in-app purchases.

### Do Slash/Dots. or Feynman rules have ads?

Neither Slash/Dots. nor Feynman rules shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*