# Learn Polymer.js Offline vs Learn CSS

Learn Polymer.js Offline and Learn CSS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Learn Polymer.js Offline costs $1.99 and Learn CSS $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learn Polymer.js Offline ships an update every 21 months, Learn CSS every 13 months. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Learn Polymer.js Offline | Learn CSS |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 13 months** |
| Size | 38 MB | 31 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) | [Saqib Masood](https://appshunter.io/developer/1555852546) |

## What reviewers say

### Learn Polymer.js Offline

[App page](https://appshunter.io/ios/app/learn-polymerjs-offline/id6466240900)

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

**In-app purchases:** none


### Learn CSS

[App page](https://appshunter.io/ios/app/learn-css-web-design-offline/id6502382621)

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

**In-app purchases:** none


## Frequently asked questions

### Is Learn Polymer.js Offline free?

Learn Polymer.js Offline costs $1.99, with no in-app purchases.

### Is Learn CSS free?

Learn CSS costs $1.99, with no in-app purchases.

### Do Learn Polymer.js Offline or Learn CSS have ads?

Neither Learn Polymer.js Offline nor Learn CSS shows ads.

### Which is updated more often, Learn Polymer.js Offline or Learn CSS?

Learn Polymer.js Offline ships an update every 21 months, and Learn CSS every 13 months. Most recently, Learn Polymer.js Offline was updated on November 11, 2026 and Learn CSS on November 9, 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.*