# Ulearn vs HVAC PT Chart Toolkit

The clearest difference is price: Ulearn at Free against HVAC PT Chart Toolkit's $3.99. Ulearn also leads on iOS requirement (15.0 vs 17.6). HVAC PT Chart Toolkit's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support there is nothing between them.

Ulearn is free to download; HVAC PT Chart Toolkit costs $3.99 up front. Ulearn sells 5 in-app purchases, starting at $0.99 per month. HVAC PT Chart Toolkit asks for nothing beyond the download.

## The numbers

| Metric | Ulearn | HVAC PT Chart Toolkit |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.6 (236 ratings)](https://appshunter.io/ios/app/ulearn-full-format-player/id1184757517/reviews)** | — |
| Number of ratings | **236** | — |
| Positive reviews | 68.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 147 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [景元 肖](https://appshunter.io/developer/1184757516) | [润强 何](https://appshunter.io/developer/1821337209) |

## What reviewers say

### Ulearn

[App page](https://appshunter.io/ios/app/ulearn-full-format-player/id1184757517)

A versatile media player and file management tool supporting numerous video, audio, and document formats. It offers advanced features like password protection, file encryption, and barcode scanning for a comprehensive user experience.

**Highlights:** Universal video playback, Universal audio playback, Document quick view, Privacy protection (password/gesture), File encryption/decryption, Zip decompression/compression, Barcode scanning/generation

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ulearn Monthly Member | $0.99 | per month |
| Ulearn Annual Membership | $7.99 | per year |
| File encryption | $2.99 | one-time |
| Block Ads | $2.99 | one-time |
| Longest Member | $9.99 | one-time |


### HVAC PT Chart Toolkit

[App page](https://appshunter.io/ios/app/hvac-pt-chart-toolkit/id6770447697)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ulearn free?

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

### Is HVAC PT Chart Toolkit free?

HVAC PT Chart Toolkit costs $3.99, with no in-app purchases.

### Do Ulearn or HVAC PT Chart Toolkit have ads?

Ulearn shows ads; HVAC PT Chart Toolkit does not.

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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.*