# Ground Support vs Hitemp

The clearest difference is iOS requirement: Hitemp at 12.0 against Ground Support's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ground Support ships an update every 3 months, Hitemp every 2 months. The most recent releases landed on May 15, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | Ground Support | Hitemp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 6.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 34 MB | 34 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DSI UNDERGROUND AUSTRALIA PTY LIMITED](https://appshunter.io/developer/1495730468) | [展悦 梁](https://appshunter.io/developer/982085158) |

## What reviewers say

### Ground Support

[App page](https://appshunter.io/ios/app/ground-support/id1495730469)

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

**In-app purchases:** none


### Hitemp

[App page](https://appshunter.io/ios/app/hitemp/id1512533849)

Remotely manage your heat pump water heater with this app. Control startup, shutdown, temperature, and modes. It also monitors unit status and alerts you to faults.

**Highlights:** Remote startup & shutdown, Temperature setting, Mode switching, Operation status recording, Fault alarms

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

**In-app purchases:** none


## Frequently asked questions

### Is Ground Support free?

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

### Is Hitemp free?

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

### Do Ground Support or Hitemp have ads?

Neither Ground Support nor Hitemp shows ads.

### Which is updated more often, Ground Support or Hitemp?

Ground Support ships an update every 3 months, and Hitemp every 2 months. Most recently, Ground Support was updated on May 15, 2026 and Hitemp on August 24, 2026.

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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.*