# calcDS vs HeatSight

The clearest difference is price: HeatSight at Free against calcDS's $1.99. calcDS's advantage is iOS requirement (14.0 vs 26.1). On ads, in-app purchases and device support there is nothing between them.

HeatSight is free to download; calcDS costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | calcDS | HeatSight |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 3 MB | 6 MB |
| Requires iOS | **14.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [R.David Sisemore](https://appshunter.io/developer/990115240) | [Taylor Galbraith](https://appshunter.io/developer/1617675898) |

## What reviewers say

### calcDS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### HeatSight

[App page](https://appshunter.io/ios/app/heatsight/id6762225222)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is calcDS free?

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

### Is HeatSight free?

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

### Do calcDS or HeatSight have ads?

Neither calcDS nor HeatSight 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.*