# Learn Polymer.js Offline vs C# Compiler(Pro)

The clearest difference is update cadence: C# Compiler(Pro) at every 6 weeks against Learn Polymer.js Offline's every 21 months. Learn Polymer.js Offline's advantage is price ($1.99 vs $2.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Learn Polymer.js Offline costs $1.99 and C# Compiler(Pro) $2.99 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, C# Compiler(Pro) every 6 weeks. The most recent releases landed on November 11, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Learn Polymer.js Offline | C# Compiler(Pro) |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 6 weeks** |
| Size | 38 MB | 62 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## 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


### C# Compiler(Pro)

[App page](https://appshunter.io/ios/app/c-compilerpro/id6670163235)

**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 C# Compiler(Pro) free?

C# Compiler(Pro) costs $2.99, with no in-app purchases.

### Do Learn Polymer.js Offline or C# Compiler(Pro) have ads?

Neither Learn Polymer.js Offline nor C# Compiler(Pro) shows ads.

### Which is updated more often, Learn Polymer.js Offline or C# Compiler(Pro)?

Learn Polymer.js Offline ships an update every 21 months, and C# Compiler(Pro) every 6 weeks. Most recently, Learn Polymer.js Offline was updated on November 11, 2026 and C# Compiler(Pro) on November 4, 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.*