# Centum vs Poly Worlds

The clearest difference is ads: Centum at none against Poly Worlds's shown. Centum also leads on update cadence (daily vs weekly) and monetization model (free vs ad-supported). Poly Worlds's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Centum ships an update daily, Poly Worlds weekly. Both last shipped on October 30, 2026.

## The numbers

| Metric | Centum | Poly Worlds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/poly-worlds-hidden-object/id6749450133/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Weekly |
| Monetization | **Free** | Ad-supported |
| Size | 13 MB | 191 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Martin Coloma](https://appshunter.io/developer/475423669) | [BugFix Games Entertainment](https://appshunter.io/developer/1689361525) |

## What reviewers say

### Centum

[App page](https://appshunter.io/ios/app/centum-the-game/id6502232878)

A challenging puzzle game where players aim to fill a 100-square board by strategically jumping diagonally or horizontally/vertically. The game ends upon completion or if moves are exhausted. Compete globally to be the first to reach 100.

**Highlights:** Fill 100 squares on the board, Strategic diagonal jumps, Horizontal/vertical jumps, Game ends on completion or no moves, Global player competition

**Features:** macOS Compatibility

**In-app purchases:** none


### Poly Worlds

[App page](https://appshunter.io/ios/app/poly-worlds-hidden-object/id6749450133)

Engage your keen observation skills in a vibrant world of detailed scenes. Search and tap to find hidden items before the clock runs out, with unlimited retries and no pressure.

**Highlights:** Zoom and tap to search, Find hidden objects, Beat the timer, Unlimited retries, Toy-inspired scenes, Playful environments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Centum free?

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

### Is Poly Worlds free?

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

### Do Centum or Poly Worlds have ads?

Poly Worlds shows ads; Centum does not.

### Which is updated more often, Centum or Poly Worlds?

Centum ships an update daily, and Poly Worlds weekly. Most recently, Centum was updated on October 30, 2026 and Poly Worlds on October 30, 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.*