# AR Protractor Lite vs YDReader

The clearest difference is rating: YDReader at 4.6 against AR Protractor Lite's 3.0. YDReader also leads on review sentiment (87% vs 50%) and ratings volume (49 vs 5). AR Protractor Lite's advantage is in-app purchases (none vs 2) and iOS requirement (3.1 vs 12.1). On price there is nothing between them.

Both are free to download. YDReader sells 2 one-off in-app purchases. AR Protractor Lite asks for nothing beyond the download.

YDReader holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: YDReader has 49 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 50% of AR Protractor Lite's written reviews are positive against 87% of YDReader's.

## The numbers

| Metric | AR Protractor Lite | YDReader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (5 ratings)](https://appshunter.io/ios/app/ar-protractor-lite/id372347787/reviews) | **[4.6 (49 ratings)](https://appshunter.io/ios/app/ydreader-epubandmobireader/id1488737276/reviews)** |
| Number of ratings | 5 | **49** |
| Positive reviews | 50.0% of reviews | **87.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 0 MB | 37 MB |
| Requires iOS | **3.1** | 12.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [StudioWave](https://appshunter.io/developer/363326419) | [福中 王](https://appshunter.io/developer/920377229) |

## What reviewers say

### AR Protractor Lite

[App page](https://appshunter.io/ios/app/ar-protractor-lite/id372347787)

This augmented reality utility app allows you to measure angles in the real world using your iPhone's screen. Customize units of measurement, guide line color, line color, and text color for your needs.

**Highlights:** Augmented reality measurement, Measure angles with touch, Customizable units (Degrees, Radians), Adjustable guide line color, Multiple line and text color options

**In-app purchases:** none


### YDReader

[App page](https://appshunter.io/ios/app/ydreader-epubandmobireader/id1488737276)

Read TXT, Epub, MOBi, and AZW3 files with extensive customization options for fonts, colors, and spacing. This app also supports decompression of ZIP, RAR, and 7Z archives, and compression into ZIP and 7z formats.

**Highlights:** Ebook reading (TXT, Epub, MOBi, AZW3), Customizable reading experience, File decompression (ZIP, RAR, 7Z), File compression (ZIP, 7Z)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1元购买100金币 | $0.99 | one-time |
| 18元购买9999金币 | $2.99 | one-time |

**What reviewers like**

- 👍 Very good app
- 👍 Clean and simple
- 👍 Supports various ebook formats
- 👍 Convenient local upload
- 👍 Pure listening app

**What reviewers complain about**

- 🐛 CarPlay audio stuttering
- 🐛 Reading voice is hoarse
- 🐛 Chinese voice options too few
- 🐛 Mandarin pronunciation not standard
- 🐛 Cannot find voice settings

**Reported bugs**

- CarPlay audio stuttering on wired connection
- Reading voice sounds hoarse on new phone
- Reading the same sentence repeatedly
- Skipping sentences or paragraphs
- Highlight position ahead of audio, causing auto-page turn issues

**Requested features**

- Add long-press translation (AI assisted)
- Add email login for multi-platform sync
- Add Siri voice option
- Add Siri voice 3 option
- Add more views on homepage (minimalist, detailed, grid)


## Frequently asked questions

### Is AR Protractor Lite free?

AR Protractor Lite is free to download, with no in-app purchases.

### Is YDReader free?

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

### Which has better reviews, AR Protractor Lite or YDReader?

YDReader is rated higher. AR Protractor Lite averages 3.0 out of 5 from 5 ratings, while YDReader averages 4.6 from 49 ratings.

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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.*