# Polymer AI vs Planet Eldra

The clearest difference is in-app purchases: Polymer AI at none against Planet Eldra's 3. Planet Eldra's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Planet Eldra sells 3 one-off in-app purchases. Polymer AI asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Polymer AI | Planet Eldra |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | Weekly | Weekly |
| Monetization | Ad-supported | — |
| Size | 67 MB | 72 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) | [Kotaro Tominaga](https://appshunter.io/developer/1882987496) |

## 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


### Planet Eldra

[App page](https://appshunter.io/ios/app/planet-eldra/id6760546282)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000ポイント | $0.49 | one-time |
| 12,000ポイント | $5.99 | one-time |
| 70,000ポイント | $29.99 | one-time |


## Frequently asked questions

### Is Polymer AI free?

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

### Is Planet Eldra free?

Planet Eldra is free to download, with in-app purchases available.

### Do Polymer AI or Planet Eldra have ads?

Polymer AI shows ads; Planet Eldra does not.

### Which is updated more often, Polymer AI or Planet Eldra?

Polymer AI ships an update weekly, and Planet Eldra weekly. Most recently, Polymer AI was updated on September 9, 2026 and Planet Eldra on September 10, 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.*