# Engineering Formulas vs Vernac

Engineering Formulas and Vernac 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. Engineering Formulas sells 3 in-app purchases, starting at $4.99 per 7 days and Vernac sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Engineering Formulas ships an update every 2 months, Vernac every 5 weeks. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Engineering Formulas | Vernac |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 45 MB | 72 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Mobin Akhter](https://appshunter.io/developer/1812505286) | [Pureheart Moluno](https://appshunter.io/developer/6774516231) |

## 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 |


### Vernac

[App page](https://appshunter.io/ios/app/vernac/id6774516229)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vernac Pro | $7.99 | per month |
| Vernac Pro | $47.99 | per year |
| Vernac Pro Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Engineering Formulas free?

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

### Is Vernac free?

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

### Do Engineering Formulas or Vernac have ads?

Neither Engineering Formulas nor Vernac shows ads.

### Which is updated more often, Engineering Formulas or Vernac?

Engineering Formulas ships an update every 2 months, and Vernac every 5 weeks. Most recently, Engineering Formulas was updated on October 4, 2026 and Vernac on October 11, 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.*