Fuse Energy vs WattWise
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fuse Energy
This app allows users to switch energy suppliers quickly and easily, offering competitive pricing and 24/7 support. It also facilitates managing multiple properties and reinvests profits into renewable energy sources.
- Fast energy supplier switching
- Competitive energy prices
- 24/7 customer support
- Referral bonuses
- Renewable energy investment
- Multi-property management
- Real-time billing
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The UK's lowest energy prices. Switch to Fuse in under 3 minutes. Why does your energy supplier ask you to pay more and use less? Our job is to make energy cheap. Yours is to use it. - Every penny of profit reinvested in renewables - Refer a friend and you both earn £100 - 24/7 support, responding in under a minute - Manage multiple properties from one account - Real-time billing, updated 48 times a day Stop choosing between a warm home or lower bills. Use your power. Switch to Fuse Energy
WattWise
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WattWise helps EV drivers estimate charging costs, compare charging rates, and understand every charging session before plugging in. Choose your charging rate, adjust your EV details, and instantly see estimated session cost, charging time, energy required, miles added, and cost per mile. WattWise is simple, private, and easy to use. Your charging sessions and tariff preferences stay on your device. Features: • Estimate EV charging session cost • Compare Off-Peak, Peak, Public, and Custom rates • Calculate charging duration • Estimate miles added • View cost per mile • Save recent sessions locally • Customise charging rate presets
Screenshots
Verdict
The clearest difference is iOS requirement: Fuse Energy at 16.0 against WattWise's 26.4. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Fuse Energy | WattWise |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (8 ratings) — better | — |
| Positive reviews | 94.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 26.4 |
| Further details — not scored | ||
| Size | 127 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | FUSE ENERGY SUPPLY LIMITED | Gary Haslett |
In-app purchases
Fuse Energy
No in-app purchases
WattWise
No in-app purchases
