# PhysicsGraph vs A

The clearest difference is in-app purchases: PhysicsGraph at none against A's 1. PhysicsGraph also leads on update cadence (every 5 days vs every 2 weeks) and iOS requirement (9.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. A sells 1 one-off in-app purchase. PhysicsGraph asks for nothing beyond the download.

PhysicsGraph ships an update every 5 days, A every 2 weeks. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | PhysicsGraph | A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 12 MB | 271 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yaneurabeya](https://appshunter.io/developer/380856441) | [Ogumo Co., Ltd.](https://appshunter.io/developer/1289277557) |

## What reviewers say

### PhysicsGraph

[App page](https://appshunter.io/ios/app/physicsgraph/id1214718820)

**Features:** macOS Compatibility

**In-app purchases:** none


### A

[App page](https://appshunter.io/ios/app/a-physics-mechanics/id6670272249)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide ads | $5.99 | one-time |


## Frequently asked questions

### Is PhysicsGraph free?

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

### Is A free?

A is free to download, with in-app purchases available.

### Do PhysicsGraph or A have ads?

Neither PhysicsGraph nor A shows ads.

### Which is updated more often, PhysicsGraph or A?

PhysicsGraph ships an update every 5 days, and A every 2 weeks. Most recently, PhysicsGraph was updated on November 11, 2026 and A on November 8, 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.*