# Idle Zoo vs Supernova

The clearest difference is price: Supernova at Free against Idle Zoo's $0.99. Supernova also leads on device support (5 vs 2). Idle Zoo's advantage is in-app purchases (none vs 10) and review sentiment (100% vs 78%). On update cadence, ads and iOS requirement there is nothing between them.

Supernova is free to download; Idle Zoo costs $0.99 up front. Supernova sells 10 one-off in-app purchases. Idle Zoo asks for nothing beyond the download.

Idle Zoo ships an update daily, Supernova every 2 days. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Idle Zoo | Supernova |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.4 (63 ratings)](https://appshunter.io/ios/app/supernova-idle-star-forge/id6779555607/reviews)** |
| Number of ratings | — | **63** |
| Positive reviews | **100.0% of reviews** | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 50 MB | 15 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple TV, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Graham](https://appshunter.io/developer/1882664382) | [HUGO ANATOLE PAUL MORICEAU](https://appshunter.io/developer/1845368412) |

## What reviewers say

### Idle Zoo

[App page](https://appshunter.io/ios/app/idle-zoo/id6762080557)

Build and manage your own zoo in this idle simulation game. Send out expeditions to rescue animals, grow habitats, and collect new species. Enjoy passive income and a cozy, retro experience.

**Highlights:** Run expeditions to rescue animals, Grow and manage themed habitats, Collect new species and variants, Stack passive income, Complete daily quests for rewards, Customize zoo appearance and features

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

**In-app purchases:** none


### Supernova

[App page](https://appshunter.io/ios/app/supernova-idle-star-forge/id6779555607)

An idle space tycoon game where you fuse hydrogen to grow and detonate stars. Earn permanent power-ups with each supernova to accelerate future runs. Features offline progress and a visually evolving star.

**Highlights:** Fuse hydrogen to create and grow stars, Offline progress and production, Visually evolving star stages, Prestige system with supernova cinematics, Deep multiplier stacking and research upgrades, Daily missions and streaks, Fully offline gameplay

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Photons | $0.99 | one-time |
| Time Warp: 4 Hours | $1.99 | one-time |
| Break the Piggy Bank | $2.99 | one-time |
| Automation Core | $3.99 | one-time |
| Supporter Pack | $4.99 | one-time |
| Time Warp: 24 Hours | $4.99 | one-time |
| 300 Photons | $4.99 | one-time |
| 700 Photons | $9.99 | one-time |
| Time Warp: 7 Days | $14.99 | one-time |
| 1600 Photons | $19.99 | one-time |


## Frequently asked questions

### Is Idle Zoo free?

Idle Zoo costs $0.99, with no in-app purchases.

### Is Supernova free?

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

### Do Idle Zoo or Supernova have ads?

Neither Idle Zoo nor Supernova shows ads.

### Which is updated more often, Idle Zoo or Supernova?

Idle Zoo ships an update daily, and Supernova every 2 days. Most recently, Idle Zoo was updated on October 7, 2026 and Supernova on October 17, 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.*