# Idle Atom inc. vs Energy Foundry

The clearest difference is ads: Energy Foundry at none against Idle Atom inc.'s shown. Energy Foundry also leads on rating (5.0 vs 4.6). Idle Atom inc.'s advantage is ratings volume (367 vs 1) and iOS requirement (15.0 vs 17.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Idle Atom inc. sells 10 one-off in-app purchases and Energy Foundry sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Energy Foundry holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Idle Atom inc. has 367 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Idle Atom inc. | Energy Foundry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (367 ratings)](https://appshunter.io/ios/app/idle-atom-inc-element-merge/id6676996063/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/energy-foundry/id6806848295/reviews)** |
| Number of ratings | **367** | 1 |
| Positive reviews | 85.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 266 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Arsen Asoian](https://appshunter.io/developer/1844549353) | [RICCARDO STELLA](https://appshunter.io/developer/6806848297) |

## What reviewers say

### Idle Atom inc.

[App page](https://appshunter.io/ios/app/idle-atom-inc-element-merge/id6676996063)

Build an energy mining empire by merging atoms and advancing through the periodic table. Upgrade your laboratory, unlock new technologies, and manage a team of scientists to discover antimatter and operate advanced scientific equipment. This offline idle simulator offers strategic development and incremental growth.

**Highlights:** Atom merging and element progression, Offline gameplay, Idle progression and automation, Laboratory and technology upgrades, Scientific team management, Incremental growth simulation, Clicker mechanics for faster generation

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| + 25 Quants | $0.99 | one-time |
| Quantbox small | $3.99 | one-time |
| 100 + 10 quants | $3.99 | one-time |
| Pack 3 (Antimater) | $4.99 | one-time |
| 250 + 25 quants | $5.99 | one-time |
| 500 + 50 quants | $8.99 | one-time |
| Remove All Ads | $9.99 | one-time |
| Pack 4 (Antimater) | $19.99 | one-time |
| Quant 1500 + 500 | $19.99 | one-time |
| Quants 5500 + 1500 | $59.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive
- 🔍 Informative and educational
- 🕹️ Engaging gameplay
- 🕰️ Good time killer

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🔍 Lack of explanations and tutorials
- ⏳ Slow offline progression
- 💰 Aggressive monetization

**Reported bugs**

- Atom merging issues
- Reward ads not working
- Restore purchases not working

**Requested features**

- Offline event progress
- In-game wiki/guide
- Cross-platform save sync


### Energy Foundry

[App page](https://appshunter.io/ios/app/energy-foundry/id6806848295)

Build a growing energy economy starting with a single Mote. Construct machines, unlock new energies, complete quests, and design custom machines to optimize production. This minimalist text-based idle game focuses on compounding systems and progressive upgrades.

**Highlights:** Build an expanding energy economy, Construct machines in your Foundry, Unlock higher energies, Complete quests, Prestige for permanent power, Design custom machines

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Surge Cores | $0.99 | one-time |
| 100 Surge Cores | $1.99 | one-time |


## Frequently asked questions

### Is Idle Atom inc. free?

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

### Is Energy Foundry free?

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

### Which has better reviews, Idle Atom inc. or Energy Foundry?

Energy Foundry is rated higher. Idle Atom inc. averages 4.6 out of 5 from 367 ratings, while Energy Foundry averages 5.0 from 1 ratings.

### Do Idle Atom inc. or Energy Foundry have ads?

Idle Atom inc. shows ads; Energy Foundry 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.*