# Idle Master vs Supernova

The clearest difference is review sentiment: Supernova at 90% against Idle Master's 0%. Supernova also leads on ads (none vs shown) and update cadence (every 2 days vs every 5 months). Idle Master's advantage is in-app purchases (none vs 10) and iOS requirement (14.0 vs 17.0). On price there is nothing between them.

Both are free to download. Supernova sells 10 one-off in-app purchases. Idle Master asks for nothing beyond the download.

Supernova holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: Supernova has 52 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Idle Master's written reviews are positive against 90% of Supernova's.

Idle Master ships an update every 5 months, Supernova every 2 days. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Idle Master | Supernova |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/idle-master/id6504210860/reviews) | **[4.4 (52 ratings)](https://appshunter.io/ios/app/supernova-idle-star-forge/id6779555607/reviews)** |
| Number of ratings | 5 | **52** |
| Positive reviews | 0.0% of reviews | **90.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 411 MB | 15 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Mangoverse Inc.](https://appshunter.io/developer/1608712904) | [HUGO ANATOLE PAUL MORICEAU](https://appshunter.io/developer/1845368412) |

## What reviewers say

### Idle Master

[App page](https://appshunter.io/ios/app/idle-master/id6504210860)

A minimalist incremental game where players tap to earn resources. Unlock and upgrade various devices to automate and accelerate resource generation for endless fun.

**Highlights:** Tap to gain resources, Unlock new devices, Upgrade existing devices, Automated resource generation, Minimalist design

**Features:** macOS Compatibility

**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 Master free?

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

### Is Supernova free?

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

### Which has better reviews, Idle Master or Supernova?

Supernova is rated higher. Idle Master averages 4.2 out of 5 from 5 ratings, while Supernova averages 4.4 from 52 ratings.

### Do Idle Master or Supernova have ads?

Idle Master shows ads; Supernova does not.

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

Idle Master ships an update every 5 months, and Supernova every 2 days. Most recently, Idle Master was updated on September 18, 2026 and Supernova on September 24, 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.*