# Guess Watt vs Palace Duel

The clearest difference is in-app purchases: Guess Watt at none against Palace Duel's 10. Palace Duel's advantage is update cadence (every 10 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Palace Duel sells 10 one-off in-app purchases. Guess Watt asks for nothing beyond the download.

Guess Watt ships an update monthly, Palace Duel every 10 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Guess Watt | Palace Duel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (7 ratings)](https://appshunter.io/ios/app/palace-duel/id6761328532/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 375 MB | 340 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | +12 |
| Developer | [REN - Redes Energeticas Nacionais](https://appshunter.io/developer/1068433115) | [Palace Duel LLC](https://appshunter.io/developer/1888939527) |

## 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


### Palace Duel

[App page](https://appshunter.io/ios/app/palace-duel/id6761328532)

Experience the classic card game on your phone with fast-paced 1v1 matches. Outwit your opponent by strategically clearing your hand, burning the pile, and playing your final hidden card. Customize your look with unique avatars and card backs.

**Highlights:** Fast-paced 1v1 matches, Online matchmaking, Private lobbies for friends, Animated tutorial, Ranked progression system, Customizable avatars and card backs, No pay-to-win mechanics

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Iron Seraph | $1.99 | one-time |
| Hellbound Corsair | $1.99 | one-time |
| Venom Sovereign | $1.99 | one-time |
| Cinder Colossus | $1.99 | one-time |
| Blackwater Leviathan | $1.99 | one-time |
| Gravebound Gunslinger | $1.99 | one-time |
| Neon Overdrive | $4.99 | one-time |
| String Theory | $4.99 | one-time |
| Jackpot Detonation | $4.99 | one-time |
| The Landlord | $5.99 | one-time |


## Frequently asked questions

### Is Guess Watt free?

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

### Is Palace Duel free?

Palace Duel is free to download, with in-app purchases available.

### Do Guess Watt or Palace Duel have ads?

Neither Guess Watt nor Palace Duel shows ads.

### Which is updated more often, Guess Watt or Palace Duel?

Guess Watt ships an update monthly, and Palace Duel every 10 days. Most recently, Guess Watt was updated on October 31, 2026 and Palace Duel on November 5, 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.*