# Physics Formula Master 9 vs Logic & Code Atlas

Physics Formula Master 9 and Logic & Code Atlas are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Physics Formula Master 9 ships an update every 6 days, Logic & Code Atlas every 4 days. The most recent releases landed on September 11, 2026 and July 16, 2026 respectively.

## The numbers

| Metric | Physics Formula Master 9 | Logic & Code Atlas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Size | 21 MB | 23 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thu Linh Bui](https://appshunter.io/developer/1855389060) | [Anh Ha Thi](https://appshunter.io/developer/1866375323) |

## What reviewers say

### Physics Formula Master 9

[App page](https://appshunter.io/ios/app/physics-formula-master-9/id6755665321)

**Features:** macOS Compatibility

**In-app purchases:** none


### Logic & Code Atlas

[App page](https://appshunter.io/ios/app/logic-and-code-atlas/id6757490232)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Physics Formula Master 9 free?

Physics Formula Master 9 is free to download, with no in-app purchases.

### Is Logic & Code Atlas free?

Logic & Code Atlas is free to download, with no in-app purchases.

### Do Physics Formula Master 9 or Logic & Code Atlas have ads?

Neither Physics Formula Master 9 nor Logic & Code Atlas shows ads.

### Which is updated more often, Physics Formula Master 9 or Logic & Code Atlas?

Physics Formula Master 9 ships an update every 6 days, and Logic & Code Atlas every 4 days. Most recently, Physics Formula Master 9 was updated on September 11, 2026 and Logic & Code Atlas on July 16, 2026.

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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.*