# Civil Interview Questions vs Engineering Formulas

The clearest difference is iOS requirement: Civil Interview Questions at 7.1 against Engineering Formulas's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Civil Interview Questions sells 1 one-off in-app purchase and Engineering Formulas sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Civil Interview Questions | Engineering Formulas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 15 MB | 45 MB |
| Requires iOS | **7.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [RAVINDHIRAN SUMITHRA](https://appshunter.io/developer/1571016391) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### Civil Interview Questions

[App page](https://appshunter.io/ios/app/civil-interview-questions/id1070986360)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Civil Interview Questions | $3.99 | one-time |


### 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 |


## Frequently asked questions

### Is Civil Interview Questions free?

Civil Interview Questions is free to download, with in-app purchases available.

### Is Engineering Formulas free?

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

### Do Civil Interview Questions or Engineering Formulas have ads?

Neither Civil Interview Questions nor Engineering Formulas 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.*