Guess Watt vs Sylva
Price, ratings, monetisation and update history for both games, side by side ā with what reviewers say about each.
Guess Watt
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Build Your Grid. Keep the Power Flowing. Step into a challenging strategy puzzle where every decision matters. Connect power sources to communities, plan efficient routes, and manage an electrical grid that can withstand real-world challenges. Along the way, you'll face situations that will put your management skills to the test: ⢠Unexpected renewable energy generation that can threaten grid stability ⢠Negotiations with landowners to expand your power lines ⢠Wear, tear, and breakdowns that require quick repairs ⢠Weather events that can impact energy supply ⢠Even uninvited nest-building visitors creating new obstacles Your mission is simple: no matter what happens, no community can be left without power. Key Features ⢠Connect communities to power sources in a strategic and sustainable way ⢠Respond to dynamic events that challenge the stability of your grid ⢠Build redundant connections to ensure a reliable power supply ⢠Earn stars, unlock badges, and take on increasingly difficult challenges ⢠Learn real-world power grid management concepts through engaging gameplay Challenge Yourself at Every Level Plan ahead, adapt to unexpected events, and find the most efficient solutions to keep energy flowing where it's needed most. Earn 3 stars in every level, unlock achievements, and become a true master of energy management. Do you have what it takes to keep the lights on? Play now and find out!
Sylva
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Welcome to Sylva, a puzzle game where every branch counts. Grow a living tree and guide its branches toward each target. But be careful: every new branch changes the balance of your tree. Grow too far in the wrong direction and a branch may fall, taking part of your creation with it. Observe, adapt, and find the right way to grow through every challenge. Features: ⢠Grow and shape your own unique tree ⢠Solve physics-based puzzle levels ⢠Face dangerous zones and strange anomalies ⢠Discover portals, black holes, mirrors, and more ⢠Create your own challenges in Creator Mode ⢠Play levels made by the community ⢠Customize the game with a wide range of themes ⢠Compare your scores on global leaderboards ⢠Push your limits in Infinite Mode As time passes, older branches become fixed and can no longer move. Every decision shapes what your tree can become. How far can you make it grow?
Screenshots
Verdict
The clearest difference is ads: Guess Watt at none against Sylva's shown. Guess Watt also leads on iOS requirement (15.0 vs 17.6). Sylva's advantage is update cadence (every 4 days vs monthly). On price, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Guess Watt ships an update monthly, Sylva every 4 days. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.
| Parameter | Guess Watt | Sylva |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 4 days ā better |
| Ads | No ā better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod ā better | iPhone, iPad |
| Requires iOS | 15.0 ā better | 17.6 |
| Further details ā not scored | ||
| Size | 375 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | REN - Redes Energeticas Nacionais | Antoine Pellissier |
In-app purchases
Guess Watt
No in-app purchases
Sylva
No in-app purchases









