# Button Factory vs Supernova

The clearest difference is review sentiment: Supernova at 78% against Button Factory's 0%. Supernova also leads on rating (4.4 vs 3.0) and ads (none vs shown). Button Factory's advantage is in-app purchases (none vs 10) and iOS requirement (15.6 vs 17.0). On price there is nothing between them.

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

Supernova holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Supernova has 63 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 0% of Button Factory's written reviews are positive against 78% of Supernova's.

Button Factory ships an update every 3 weeks, Supernova every 2 days. The most recent releases landed on September 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Button Factory | Supernova |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (7 ratings)](https://appshunter.io/ios/app/button-factory-idle-clicker/id6759965588/reviews) | **[4.4 (63 ratings)](https://appshunter.io/ios/app/supernova-idle-star-forge/id6779555607/reviews)** |
| Number of ratings | 7 | **63** |
| Positive reviews | 0.0% of reviews | **77.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 42 MB | 15 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Hurol Ozturk](https://appshunter.io/developer/539355562) | [HUGO ANATOLE PAUL MORICEAU](https://appshunter.io/developer/1845368412) |

## What reviewers say

### Button Factory

[App page](https://appshunter.io/ios/app/button-factory-idle-clicker/id6759965588)

Tap and upgrade to build a massive button production empire. Earn resources even while offline and utilize rebirth systems to achieve infinite growth. Discover new layers and multipliers to push your factory beyond its limits.

**Highlights:** Tap gameplay, Factory expansion, Exponential upgrades, Rebirth and prestige systems, Idle progression, Infinite growth

**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 Button Factory free?

Button Factory 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, Button Factory or Supernova?

Supernova is rated higher. Button Factory averages 3.0 out of 5 from 7 ratings, while Supernova averages 4.4 from 63 ratings.

### Do Button Factory or Supernova have ads?

Button Factory shows ads; Supernova does not.

### Which is updated more often, Button Factory or Supernova?

Button Factory ships an update every 3 weeks, and Supernova every 2 days. Most recently, Button Factory was updated on September 25, 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.*