GridCarbon vs The Energyst
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GridCarbon
Monitor the real-time carbon intensity of the UK electricity grid. Understand how electricity generation sources change and identify times when using power is more environmentally friendly. Reduce your carbon footprint by shifting energy consumption to periods of lower grid emissions.
- Real-time carbon intensity updates
- Traffic light indicator for intensity levels
- Generation mix summary
- 24-hour carbon intensity plot
- Interactive generation mix chart
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Track the carbon intensity of the GB electricity grid on your iPhone or iPad Demand for electricity varies throughout the day, and thus, the mix of generators supplying this electricity continually changes. As a result, the carbon intensity of the electricity – the quantity of CO2 produced for 1 kWh of electricity consumed – also varies continually. Deferring your use of electricity to off-peak times, when the carbon intensity is low, can help reduce your carbon footprint. Features: - Data updated every 5 minutes. - Display of instantaneous carbon intensity (gCO2/kWh). - Traffic light indicator to highlight period of low and high carbon intensity. - Generation mix summary showing total and percentage supply by type. - Line plot showing carbon intensity over the previous 24 hours. - Interactive bar chart showing the generation mix over the previous 24 hours.
The Energyst
Stay informed about the UK's dynamic energy markets with essential news and information tailored for businesses. This app provides timely updates to help companies navigate the evolving energy landscape.
- UK energy market news
- Business-focused information
- Evolving energy landscape updates
- Timely market insights
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The Energyst delivers information to businesses by providing the necessary information and news in the UKS ever evolving energy markets for business.
Screenshots
Verdict
The clearest difference is review sentiment: GridCarbon at 76% against The Energyst's 0%. GridCarbon also leads on update cadence (every 4 months vs every 21 months) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
GridCarbon ships an update every 4 months, The Energyst every 21 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | GridCarbon | The Energyst |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (6 ratings) — better | — |
| Positive reviews | 75.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 6 — better | — |
| Update frequency | Every 4 months — better | Every 21 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Alex Rogers | Energyst Media Ltd |
Customer experience
GridCarbon
The Energyst
In-app purchases
GridCarbon
No in-app purchases
The Energyst
No in-app purchases
