# The Polymer App vs Air2Transfer

The clearest difference is price: The Polymer App at Free against Air2Transfer's $4.99. The Polymer App also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.2). On update cadence, ads and in-app purchases there is nothing between them.

The Polymer App is free to download; Air2Transfer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | The Polymer App | Air2Transfer |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-polymer-app/id1342437388/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 22 MB | 3 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Polymerize, Inc.](https://appshunter.io/developer/1342437387) | [IENG PHO](https://appshunter.io/developer/1896393702) |

## What reviewers say

### The Polymer App

[App page](https://appshunter.io/ios/app/the-polymer-app/id1342437388)

This mobile application provides factory managers with a streamlined way to monitor work in progress and manage inventory directly from their iOS devices. It offers a user-friendly interface for efficient production tracking.

**Highlights:** Track work in progress, Manage inventory, Mobile tracking, Easy to use interface, iOS compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### Air2Transfer

[App page](https://appshunter.io/ios/app/air2transfer/id6776882506)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Polymer App free?

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

### Is Air2Transfer free?

Air2Transfer costs $4.99, with no in-app purchases.

### Do The Polymer App or Air2Transfer have ads?

Neither The Polymer App nor Air2Transfer shows ads.

### Which is updated more often, The Polymer App or Air2Transfer?

The Polymer App ships an update every 3 weeks, and Air2Transfer every 3 weeks. Most recently, The Polymer App was updated on October 29, 2026 and Air2Transfer on October 28, 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.*