# Guess Watt vs Sylva

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.

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 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Guess Watt | Sylva |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sylva-tree-puzzle/id6781814566/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 375 MB | 44 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [REN - Redes Energeticas Nacionais](https://appshunter.io/developer/1068433115) | [Antoine Pellissier](https://appshunter.io/developer/1790486548) |

## What reviewers say

### Guess Watt

[App page](https://appshunter.io/ios/app/guess-watt/id6758162002)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sylva

[App page](https://appshunter.io/ios/app/sylva-tree-puzzle/id6781814566)

Grow a unique tree by guiding its branches towards targets in this physics-based puzzle game. Adapt to challenges, avoid falling branches, and explore diverse game modes. Create your own levels or play community-made ones.

**Highlights:** Grow and shape unique trees, Physics-based puzzle levels, Creator Mode for custom challenges, Community-made levels, Infinite Mode, Global leaderboards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Guess Watt free?

Guess Watt is free to download, with no in-app purchases.

### Is Sylva free?

Sylva is free to download, with no in-app purchases.

### Do Guess Watt or Sylva have ads?

Sylva shows ads; Guess Watt does not.

### Which is updated more often, Guess Watt or Sylva?

Guess Watt ships an update monthly, and Sylva every 4 days. Most recently, Guess Watt was updated on October 20, 2026 and Sylva on October 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*