# RF Tools ++ vs calcDS

The clearest difference is iOS requirement: calcDS at 14.0 against RF Tools ++'s 17.0. On price, ads, in-app purchases and device support there is nothing between them.

RF Tools ++ costs $1.99 and calcDS $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | RF Tools ++ | calcDS |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 42 MB | 3 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jeff Curtis](https://appshunter.io/developer/358219019) | [R.David Sisemore](https://appshunter.io/developer/990115240) |

## What reviewers say

### RF Tools ++

[App page](https://appshunter.io/ios/app/rf-tools-plus-plus/id1548209609)

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

**In-app purchases:** none


### calcDS

[App page](https://appshunter.io/ios/app/calcds/id6470944516)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RF Tools ++ free?

RF Tools ++ costs $1.99, with no in-app purchases.

### Is calcDS free?

calcDS costs $1.99, with no in-app purchases.

### Do RF Tools ++ or calcDS have ads?

Neither RF Tools ++ nor calcDS 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.*