# Heating History Pro vs GridMix

The clearest difference is price: GridMix at Free against Heating History Pro's $2.99. Heating History Pro's advantage is iOS requirement (12.2 vs 18.2). On ads, in-app purchases and device support there is nothing between them.

GridMix is free to download; Heating History Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Heating History Pro | GridMix |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Paid | — |
| Size | 78 MB | 1 MB |
| Requires iOS | **12.2** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jason Wragg](https://appshunter.io/developer/721845807) | [Hector Forrester](https://appshunter.io/developer/1557103037) |

## What reviewers say

### Heating History Pro

[App page](https://appshunter.io/ios/app/heating-history-pro/id1498357712)

Access detailed historical data from your Hive TRV devices. Visualize your heating patterns with graphs and export your information to CSV files for further analysis. Customize your data view by specifying dates, times, and specific TRVs.

**Highlights:** Specify date/time and TRVs, Download data to CSV, View data as a graph, Granular data access, TRV data exploration

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

**In-app purchases:** none


### GridMix

[App page](https://appshunter.io/ios/app/gridmix/id6741691056)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heating History Pro free?

Heating History Pro costs $2.99, with no in-app purchases.

### Is GridMix free?

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

### Do Heating History Pro or GridMix have ads?

Neither Heating History Pro nor GridMix 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.*