# Engineering Formulas vs Beam Deflection

The clearest difference is iOS requirement: Engineering Formulas at 15.1 against Beam Deflection's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Engineering Formulas sells 3 in-app purchases, starting at $4.99 per 7 days and Beam Deflection sells 2 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Engineering Formulas | Beam Deflection |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 45 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Mobin Akhter](https://appshunter.io/developer/1812505286) | [Deniz Kaan Koksal](https://appshunter.io/developer/6780922425) |

## What reviewers say

### Engineering Formulas

[App page](https://appshunter.io/ios/app/engineering-formulas-engiref/id6758258119)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $29.99 | per year |
| Lifetime Access | $54.99 | one-time |


### Beam Deflection

[App page](https://appshunter.io/ios/app/beam-deflection/id6780922423)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Frame Monthly | $0.49 | per month |
| Unlimited Access | $4.99 | one-time |


## Frequently asked questions

### Is Engineering Formulas free?

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

### Is Beam Deflection free?

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

### Do Engineering Formulas or Beam Deflection have ads?

Neither Engineering Formulas nor Beam Deflection 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.*