# Integral function vs Lock&Load

The clearest difference is device support: Integral function at 2 against Lock&Load's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Integral function | Lock&Load |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 months | — |
| Size | 29 MB | 58 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 12+ | 4+ |
| Developer | [ANDRII NAIDONOV](https://appshunter.io/developer/1689089068) | [Artem Sunduchkov](https://appshunter.io/developer/717659388) |

## What reviewers say

### Integral function

[App page](https://appshunter.io/ios/app/integral-function/id6449439120)

**In-app purchases:** none


### Lock&Load

[App page](https://appshunter.io/ios/app/lockload/id6466800348)

**In-app purchases:** none


## Frequently asked questions

### Is Integral function free?

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

### Is Lock&Load free?

Lock&Load is free to download, with no in-app purchases.

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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.*