# Polymer AI vs Gravity Courier

The clearest difference is in-app purchases: Polymer AI at none against Gravity Courier's 1. Polymer AI also leads on update cadence (weekly vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Gravity Courier sells 1 one-off in-app purchase. Polymer AI asks for nothing beyond the download.

Polymer AI ships an update weekly, Gravity Courier every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Polymer AI | Gravity Courier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/polymer-ai/id6759531446/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 67 MB | 32 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Dunn-Carabali LLC](https://appshunter.io/developer/312739826) | [Jegeon Jung](https://appshunter.io/developer/1825889536) |

## What reviewers say

### Polymer AI

[App page](https://appshunter.io/ios/app/polymer-ai/id6759531446)

Build a cyberpunk AI startup from a basement to a global mega-corp. Manage exponential growth, infrastructure, and research while navigating real-time tactical challenges and a deep narrative. Compete with rivals and climb leaderboards in this idle strategy game.

**Highlights:** Empire building from basement to mega-corp, Exponential economy and infrastructure management, Unlock 20+ strategic technologies, Real-time tactical mini-games, Deep cyberpunk narrative with 40+ chapters, Offline progression, PvP hacking and global leaderboards

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

**In-app purchases:** none


### Gravity Courier

[App page](https://appshunter.io/ios/app/gravity-courier-orbit-puzzle/id6777101289)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고제거 | $1.99 | one-time |


## Frequently asked questions

### Is Polymer AI free?

Polymer AI is free to download, with no in-app purchases.

### Is Gravity Courier free?

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

### Do Polymer AI or Gravity Courier have ads?

Both Polymer AI and Gravity Courier show ads.

### Which is updated more often, Polymer AI or Gravity Courier?

Polymer AI ships an update weekly, and Gravity Courier every 2 weeks. Most recently, Polymer AI was updated on October 24, 2026 and Gravity Courier on October 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.*