Polar vs Havenwise
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Polar
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The Polar-ESS App uses an API and connects to your Polar-ESS Cloud Monitoring account. The APP provides basic information about your Home Energy Demand, Solar PV Generation, Grid import energy and Battery Usage To view the Privacy Policy and EULA please visit the links provided in the app, or visit https://givenergy.co.uk/website-privacy-policy/ and https://polar-ess.co.uk/terms/ respectively.
Havenwise
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Havenwise is an easy-to-use control and optimisation system for your heat pump. Connect via our app in just a few minutes, no installer needed! We connect directly to your internet-connected Vaillant, Mitsubishi or Samsung heat pump, so most users need no extra hardware. Havenwise automatically learns how your home heats up and cools down. Our smart software takes into account your energy tariff, local weather, and your comfort to keep your home warm and water hot for the lowest possible bill. Havenwise works great with time-of-use tariffs to shift your heating out of expensive peak periods and into the cheapest times of day. For homes with solar panels, we can shift usage to warmer and sunnier periods. For batteries, time-of-use optimisation can be toggled on and off depending on your preference, to take advantage of tariffs or keep your heat pump running low and slow for maximum efficiency. Our excellent support is always available to answer questions and keep you informed and confident about your home heating needs.
Screenshots
Verdict
The clearest difference is in-app purchases: Havenwise at none against Polar's 1. Havenwise also leads on update cadence (weekly vs every 5 weeks) and iOS requirement (15.1 vs 17.4). Polar's advantage is ads (none vs shown). On price and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Polar sells 1 in-app purchase, starting at $25.00 per year. Havenwise asks for nothing beyond the download.
Polar ships an update every 5 weeks, Havenwise weekly. The most recent releases landed on September 5, 2026 and September 21, 2026 respectively.
| Parameter | Polar | Havenwise |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Weekly โ better |
| Ads | No โ better | Yes |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 17.4 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 69 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | GivEnergy Software Limited | Havenwise Limited |
In-app purchases
Polar
- Yearly Subscription1 Year trial$25.001 Year
Havenwise
No in-app purchases







