# AMP SYSTEMS vs Axle Load Calculator

The clearest difference is price: AMP SYSTEMS at Free against Axle Load Calculator's $1.99. AMP SYSTEMS also leads on iOS requirement (13.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

AMP SYSTEMS is free to download; Axle Load Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | AMP SYSTEMS | Axle Load Calculator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 10 MB | 2 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sterling Power](https://appshunter.io/developer/1639822244) | [Netflowers Inc.](https://appshunter.io/developer/1672067319) |

## What reviewers say

### AMP SYSTEMS

[App page](https://appshunter.io/ios/app/amp-systems/id1639822242)

**Features:** macOS Compatibility

**In-app purchases:** none


### Axle Load Calculator

[App page](https://appshunter.io/ios/app/axle-load-calculator/id6795058589)

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

**In-app purchases:** none


## Frequently asked questions

### Is AMP SYSTEMS free?

AMP SYSTEMS is free to download, with no in-app purchases.

### Is Axle Load Calculator free?

Axle Load Calculator costs $1.99, with no in-app purchases.

### Do AMP SYSTEMS or Axle Load Calculator have ads?

Neither AMP SYSTEMS nor Axle Load Calculator 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.*