# Exponential Idle vs World Button 3D

The clearest difference is rating: Exponential Idle at 4.9 against World Button 3D's 3.0. Exponential Idle also leads on ratings volume (4.1K vs 1) and iOS requirement (8.0 vs 10.0). World Button 3D's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Exponential Idle sells 4 one-off in-app purchases. World Button 3D asks for nothing beyond the download.

Exponential Idle holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Exponential Idle has 4.1K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Exponential Idle | World Button 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (4.1K ratings)](https://appshunter.io/ios/app/exponential-idle/id1538487382/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/world-button-3d/id1641665921/reviews) |
| Number of ratings | **4.1K** | 1 |
| Positive reviews | 91.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 92 MB |
| Requires iOS | **8.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gilles-Philippe Paille](https://appshunter.io/developer/1538487384) | [Mustafa Akbaba](https://appshunter.io/developer/1583923781) |

## What reviewers say

### Exponential Idle

[App page](https://appshunter.io/ios/app/exponential-idle/id1538487382)

Engage in a math-inspired incremental game where you strategically stack virtual money through exponential growth. Advance through time, make variable changes, and purchase upgrades to accelerate your earnings and unlock achievements.

**Highlights:** Exponential growth mechanics, Time progression, Change of variables, Buy upgrades, Earn virtual money, Unlock achievements

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donate | $0.99 | one-time |
| Permanent Ad Reward | $1.99 | one-time |
| Donate | $1.99 | one-time |
| Donate | $3.99 | one-time |

**What reviewers like**

- 👍 Great and addicting game
- 👍 Interesting story and educational
- 👍 Numbers go big
- 👍 User-friendly with good descriptions
- 👍 Highly automated progression

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- ⏱️ Slow progression after initial stages
- 🕹️ Difficult mini-games
- 🔒 Harsh time-change penalty
- 🔋 Potential performance issues on some devices

**Reported bugs**

- Puzzle mini-games not loading correctly
- Offline progress issues after updates
- Occasional app crashes

**Requested features**

- More mini-games and challenges
- Better explanations for advanced mechanics
- Adjustable color schemes and visual customization
- Improved offline progress tracking
- Smoother performance and optimization


### World Button 3D

[App page](https://appshunter.io/ios/app/world-button-3d/id1641665921)

Tap your way to building an entire world by clicking, merging, and upgrading elements. This idle clicker game offers a simple yet engaging experience focused on expansion and progression.

**Highlights:** Click to earn, Merge elements, Upgrade buildings, Expand the world, Idle progression

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Exponential Idle free?

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

### Is World Button 3D free?

World Button 3D is free to download, with no in-app purchases.

### Which has better reviews, Exponential Idle or World Button 3D?

Exponential Idle is rated higher. Exponential Idle averages 4.9 out of 5 from 4.1K ratings, while World Button 3D averages 3.0 from 1 ratings.

### Do Exponential Idle or World Button 3D have ads?

Exponential Idle shows ads; World Button 3D does not.

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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.*