# Acceleration Calculator Plus vs Voltary

The clearest difference is price: Voltary at Free against Acceleration Calculator Plus's $2.99. Voltary also leads on iOS requirement (13.0 vs 17.6). Acceleration Calculator Plus's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Voltary is free to download; Acceleration Calculator Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Acceleration Calculator Plus | Voltary |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | — |
| Size | 1 MB | 45 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Hasanain Alhamedi](https://appshunter.io/developer/6777917433) |

## What reviewers say

### Acceleration Calculator Plus

[App page](https://appshunter.io/ios/app/acceleration-calculator-plus/id1658922875)

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

**In-app purchases:** none


### Voltary

[App page](https://appshunter.io/ios/app/voltary/id6778161465)

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

**In-app purchases:** none


## Frequently asked questions

### Is Acceleration Calculator Plus free?

Acceleration Calculator Plus costs $2.99, with no in-app purchases.

### Is Voltary free?

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

### Do Acceleration Calculator Plus or Voltary have ads?

Voltary shows ads; Acceleration Calculator Plus does not.

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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.*