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SETTLE UP is an indispensable app for friends and flatmates who need to keep track of shared bills...

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Free, accurate calculators for home energy savings — solar payback, heat pumps, EV charging, appliance running costs and more. No signup.
Which is more popular?
Based on our record, Settle Up seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | settleup.io | howmuchwatts.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Settle Up yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Settle Up and HowMuchWatts.
HowMuchWatts's answer:
HowMuchWatts is a free suite of 50+ home energy calculators - no signup, no ads gating the result. Every calculator shows its formula and updates live as you type, so you can see exactly how the number was reached rather than trusting a black box. It also includes an appliance power-consumption reference chart and plain-English guides (solar payback, heat pump vs gas, EV charging costs) that pair with the calculators instead of just linking out.
HowMuchWatts's answer:
Most energy calculators are either buried in signup walls, ad-heavy, or give a single number with no way to check the math. HowMuchWatts is: - Free, no account needed - Transparent - the formula is shown alongside every result - Focused - 50+ calculators covering solar, heat pumps, EVs, and appliances specifically, not a generic all-purpose calculator site - Embeddable - any blog can drop a calculator into a post for free
HowMuchWatts's answer:
Homeowners and renters trying to make a specific energy decision - is solar worth it, should I switch to a heat pump, what will an EV cost to charge, what is this appliance actually costing me. Secondary audience: bloggers and content sites in the home/energy space who embed the calculators in their own articles.
HowMuchWatts's answer:
Built out of frustration with existing energy calculators - they were either oversimplified, buried behind email walls, or impossible to verify. HowMuchWatts started as a handful of calculators that show their formula and grew into a 50+ calculator suite covering solar, heat pumps, EVs, and everyday appliances, plus guides and a reference chart for the underlying data.
Share your experience with using Settle Up and HowMuchWatts. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Settle Up is a great option for anyone who wants an easy way to split bills. With features like peer-to-peer payments, automated payment reminders, and detailed accounts of transactions, the Settle Up app makes it...
Settle Up excels in its calculation capabilities, providing accurate and fair splits of expenses. The app considers various factors, such as who paid for what and any existing imbalances, to determine each...
Settle Up can handle a variety of payment scenarios: When one person pays or multiple people have paid, it can split payments evenly based on the amounts or allow you to select individual amounts for each person to...
We have no reviews of HowMuchWatts yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Can't you have her send you her money on your bank account, keep track of that on an app like Settle Up, load your combined budget on a WeSwap card and go from there? Source: almost 5 years ago
Tracking HowMuchWatts since Jul 2026.
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