# JG Underfloor vs Havenwise

The clearest difference is ads: JG Underfloor at none against Havenwise's shown. JG Underfloor also leads on iOS requirement (12.0 vs 15.1). Havenwise's advantage is update cadence (weekly vs every 14 months). On price, in-app purchases and device support there is nothing between them.

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

JG Underfloor ships an update every 14 months, Havenwise weekly. The most recent releases landed on June 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | JG Underfloor | Havenwise |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | Free | — |
| Size | 177 MB | 74 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Reliance Worldwide Corporation aust. Pty. Ltd.](https://appshunter.io/developer/1638011999) | [Havenwise Limited](https://appshunter.io/developer/1751924497) |

## What reviewers say

### JG Underfloor

[App page](https://appshunter.io/ios/app/jg-underfloor/id1638011997)

Control your home's underfloor heating system with this intuitive app. Manage thermostats and timers for ultimate zone control and easy configuration of both RF and hard-wired systems.

**Highlights:** Connect to John Guest thermostats, Manage timers, Zone control, Configure RF systems, Configure hard-wired systems, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Havenwise

[App page](https://appshunter.io/ios/app/havenwise/id6748416718)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JG Underfloor free?

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

### Is Havenwise free?

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

### Do JG Underfloor or Havenwise have ads?

Havenwise shows ads; JG Underfloor does not.

### Which is updated more often, JG Underfloor or Havenwise?

JG Underfloor ships an update every 14 months, and Havenwise weekly. Most recently, JG Underfloor was updated on June 10, 2026 and Havenwise on September 21, 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.*