# 20000 Cogs under the Sea vs Upload Simulator 2

The clearest difference is price: 20000 Cogs under the Sea at Free against Upload Simulator 2's $3.99. 20000 Cogs under the Sea also leads on rating (4.9 vs 4.4) and review sentiment (100% vs 80%). Upload Simulator 2's advantage is in-app purchases (none vs 6) and ads (none vs shown). On ratings volume, device support and iOS requirement there is nothing between them.

20000 Cogs under the Sea is free to download; Upload Simulator 2 costs $3.99 up front. 20000 Cogs under the Sea sells 6 one-off in-app purchases. Upload Simulator 2 asks for nothing beyond the download.

20000 Cogs under the Sea holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 21 and 18 respectively. Written reviews point the same way: 100% of 20000 Cogs under the Sea's written reviews are positive against 80% of Upload Simulator 2's.

20000 Cogs under the Sea ships an update fortnightly, Upload Simulator 2 every 2 days. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 20000 Cogs under the Sea | Upload Simulator 2 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.9 (21 ratings)](https://appshunter.io/ios/app/20000-cogs-under-the-sea/id1441246412/reviews)** | [4.4 (18 ratings)](https://appshunter.io/ios/app/upload-simulator-2/id6474804328/reviews) |
| Number of ratings | **21** | 18 |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 33 MB | 125 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Izvalov](https://appshunter.io/developer/1437172357) | [EnigmaDev Studios](https://appshunter.io/developer/1722551461) |

## What reviewers say

### 20000 Cogs under the Sea

[App page](https://appshunter.io/ios/app/20000-cogs-under-the-sea/id1441246412)

Build an underwater steampunk factory, connecting cogwheels for efficient idle gameplay. Explore the seabed, manage unique creatures, and upgrade contraptions to become a sea tycoon. This incremental game features offline play and rewarded ads.

**Highlights:** Build and expand underwater factories, Connect cogwheels for efficient production, Idle gameplay with offline progress, Discover and upgrade mad science contraptions, Employ unique sea creatures and machines, Explore and expand playable area

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hammer power x2 | $1.99 | one-time |
| Exploration speed x2 | $2.99 | one-time |
| No Ads + everything 2x cheaper | $2.99 | one-time |
| Coins production x2 | $4.99 | one-time |
| Volcano efficiency x2 | $5.99 | one-time |
| Narrativium generation x2 | $9.99 | one-time |


### Upload Simulator 2

[App page](https://appshunter.io/ios/app/upload-simulator-2/id6474804328)

Simulate the process of uploading data to earn credits, upgrade your hardware, and research new technologies. Discover unique artifacts, craft modules, and customize your operating system with themes and wallpapers.

**Highlights:** GPU mining for credits, Upgrade hardware setup, Research new technologies, Craft modules, Customize OS with themes, Discover unique artifacts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 20000 Cogs under the Sea free?

20000 Cogs under the Sea is free to download, with in-app purchases available.

### Is Upload Simulator 2 free?

Upload Simulator 2 costs $3.99, with no in-app purchases.

### Which has better reviews, 20000 Cogs under the Sea or Upload Simulator 2?

20000 Cogs under the Sea is rated higher. 20000 Cogs under the Sea averages 4.9 out of 5 from 21 ratings, while Upload Simulator 2 averages 4.4 from 18 ratings.

### Do 20000 Cogs under the Sea or Upload Simulator 2 have ads?

20000 Cogs under the Sea shows ads; Upload Simulator 2 does not.

### Which is updated more often, 20000 Cogs under the Sea or Upload Simulator 2?

20000 Cogs under the Sea ships an update fortnightly, and Upload Simulator 2 every 2 days. Most recently, 20000 Cogs under the Sea was updated on November 2, 2026 and Upload Simulator 2 on November 8, 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.*