# Idle Zoo World vs RoundEvolution

The clearest difference is in-app purchases: Idle Zoo World at none against RoundEvolution's 5. Idle Zoo World also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RoundEvolution sells 5 one-off in-app purchases. Idle Zoo World asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Idle Zoo World | RoundEvolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (13 ratings)](https://appshunter.io/ios/app/idle-zoo-world/id6741068719/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 309 MB | 45 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Funnel Entertainment](https://appshunter.io/developer/1128330092) | [CHE WEI LIU](https://appshunter.io/developer/1863727117) |

## What reviewers say

### Idle Zoo World

[App page](https://appshunter.io/ios/app/idle-zoo-world/id6741068719)

Build and manage your dream zoo, starting from a small farm and expanding into a global sensation. Adopt exotic animals, hire staff, and automate your operations to maximize visitor happiness and income. Discover new areas and rare species to become the ultimate zoo tycoon.

**Highlights:** Adopt exotic animals, Expand habitats, Hire zookeepers and guides, Automate zoo operations, Maximize visitor happiness and income, Unlock new areas and rare species

**Features:** macOS Compatibility

**In-app purchases:** none


### RoundEvolution

[App page](https://appshunter.io/ios/app/roundevolution/id6756927084)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Energy | $0.99 | one-time |
| 2000 Coins | $0.99 | one-time |
| Starter Pack | $2.99 | one-time |
| 10000 Coins | $3.99 | one-time |
| No Ads | $4.99 | one-time |


## Frequently asked questions

### Is Idle Zoo World free?

Idle Zoo World is free to download, with no in-app purchases.

### Is RoundEvolution free?

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

### Do Idle Zoo World or RoundEvolution have ads?

Both Idle Zoo World and RoundEvolution show ads.

### Which is updated more often, Idle Zoo World or RoundEvolution?

Idle Zoo World ships an update every 6 weeks, and RoundEvolution every 6 weeks. Most recently, Idle Zoo World was updated on October 9, 2026 and RoundEvolution on October 2, 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.*