# Algo Viewer vs Physics Formulas

The clearest difference is iOS requirement: Physics Formulas at 15.1 against Algo Viewer's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Algo Viewer sells 1 one-off in-app purchase and Physics Formulas sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Algo Viewer ships an update every 6 weeks, Physics Formulas every 2 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | Algo Viewer | Physics Formulas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 22 MB | 38 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Abraham Abreu](https://appshunter.io/developer/1260832200) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### Algo Viewer

[App page](https://appshunter.io/ios/app/algo-viewer/id6754825780)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $0.99 | one-time |


### Physics Formulas

[App page](https://appshunter.io/ios/app/physics-formulas-physref/id6757826240)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is Algo Viewer free?

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

### Is Physics Formulas free?

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

### Do Algo Viewer or Physics Formulas have ads?

Neither Algo Viewer nor Physics Formulas shows ads.

### Which is updated more often, Algo Viewer or Physics Formulas?

Algo Viewer ships an update every 6 weeks, and Physics Formulas every 2 months. Most recently, Algo Viewer was updated on October 31, 2026 and Physics Formulas on October 31, 2026.

---

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