GridCarbon vs Leader Finder
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.
Leader Finder
This companion app helps players of a popular stealth game mode identify syndicate leaders by filtering through a comprehensive roster based on visible attributes. It streamlines the process of narrowing down targets during missions, saving valuable time.
- Browse 72 syndicate leaders
- Scan in-game briefing screen to filter
- Filter by hair color, earrings, glasses, hat, necklace, tattoos
- View full leader portraits and attributes
- Dismiss identified leaders during missions
- Reference available weapons and equipment by location
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Leader Finder is the go-to companion for Hitman: World of Assassination's Freelancer mode. During a Showdown mission scan with iPhone the suspect camera tells to narrow down possible syndicate leaders. Leader Finder lets you filter all 72 leaders by their visible attributes - hair colour, earrings, glasses, hat, necklace, and tattoos - so you don't waste time tracking innocent characters! FEATURES • Browse 72 leaders - The complete Freelancer syndicate roster, displayed as visual portrait cards. • Scan to filter - Point your camera at the in-game briefing screen and Leader Finder reads it automatically, setting the right filters in seconds. • Attribute filters - Toggle earrings, glasses, hat, necklace, and tattoo to narrow results instantly. • Hair colour selector - Filter by black, blonde, brown, grey, red, or bald. • Leader detail view - Tap any card for a full portrait with all attributes at a glance. • Dismiss leaders - Long-press a card to grey it out as you eliminate suspects mid-mission. • Items reference - Check every Freelancer location for available weapons and equipment, so you know exactly what to expect before you drop in. HOW TO USE Point your camera at the target briefing on-screen and Leader Finder will read the attributes and filter the roster for you. Or toggle filters manually if you prefer. Either way, narrow it to relevant suspects, then go get them. During a mission use the dismiss feature to rule out leaders you've already spotted, keeping your shortlist clean as you work through your targets. ---Not affiliated with IO Interactive A/S. Hitman™ and Hitman: World of Assassination™ are trademarks of IO Interactive A/S.
Screenshots
Verdict
The clearest difference is price: GridCarbon at Free against Leader Finder's $1.99. GridCarbon also leads on ratings volume (6 vs 1) and iOS requirement (12.0 vs 15.1). Leader Finder's advantage is rating (5.0 vs 3.2) and update cadence (daily vs every 4 months). On 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
GridCarbon is free to download; Leader Finder costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Leader Finder holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: GridCarbon has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 76% of GridCarbon's written reviews are positive against 100% of Leader Finder's.
GridCarbon ships an update every 4 months, Leader Finder daily. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.
| Parameter | GridCarbon | Leader Finder |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 3.2 (6 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 75.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 4 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 10 MB | 151 MB |
| Age rating | 4+ | 4+ |
| Developer | Alex Rogers | Samuel Wightwick |
Customer experience
GridCarbon
Leader Finder
In-app purchases
GridCarbon
No in-app purchases
Leader Finder
No in-app purchases









