AR Protractor Lite vs YDReader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AR Protractor Lite
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.
- Augmented reality measurement
- Measure angles with touch
- Customizable units (Degrees, Radians)
- Adjustable guide line color
- Multiple line and text color options
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** Requirements: Compatible with iPhone 3GS. Requires iPhone OS 3.1 or later. AR Protractor : Measuring the real world. AR Protractor is argumented reality(AR) utility application. Grap your iPhone and Touch the screen. You can measure anything you want with your finger. In preference, you can change "Units of Measurement" - Degree, Radian "Guide Line Color" - Black, White "Line Color" - 5 Color "Text Color" - 5 Color ------------------------- AR Protractor : 직접 세상을 측량하세요. 증강현실을 이용한 각도기 어플리케이션입니다. 손으로 들고 화면을 맞추고 터치해서 각도를 측정하세요.
YDReader
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.
- Ebook reading (TXT, Epub, MOBi, AZW3)
- Customizable reading experience
- File decompression (ZIP, RAR, 7Z)
- File compression (ZIP, 7Z)
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1, TXT, Epub, MOBi, AZW3 reader, can be customized font, color, paragraph spacing, etc. 2, support ZIP, RAR, 7Z decompression, ZIP, 7z compression.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | AR Protractor Lite | YDReader |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (5 ratings) | 4.6 (49 ratings) — better |
| Positive reviews | 50.0% of reviews | 87.0% of reviews — better |
| Number of ratings | 5 | 49 — better |
| Update frequency | — | Fortnightly |
| Ads | — | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 3.1 — better | 12.1 |
| Further details — not scored | ||
| Size | 0 MB | 37 MB |
| Age rating | 4+ | 17+ |
| Developer | StudioWave | 福中 王 |
Customer experience
AR Protractor Lite
YDReader
Bugs and requests
AR Protractor Lite
Not enough reviews yet to summarise bugs or requests.
YDReader
Reported bugs
11 issues- 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
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- Cannot use left/right buttons or page down/up to switch pages
- Search results only show single files, not folders
- App restarts from beginning after pausing on iOS 15
- Mysterious pauses during reading
- CarPlay audio stuttering (alone session) after iOS 18
- Text to audio auto starts after pausing on Bluetooth headset
Requested features
29 requests- 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)
Show 24 moreShow fewer
- Add continuous reading time reminder
- Add single book loop playback
- Add swipe to select paragraph for reading
- Improve pronunciation of ABCD
- Allow direct editing of words in TXT files
- Add share section
- Add Siri voice packs (Mandarin, Taiwanese)
- Add import audio source function
- Add premium voice YUE to iPad version
- Add Chinese YUE (premium) voice
- Add pause interval and adjustment function (by sentence, line, paragraph)
- Add stop reading by chapter function
- Display current time and battery level
- Modify image display range for custom backgrounds
- Add custom voice sources like YYD
- Add recycle bin function
- Add manual input for progress percentage
- Add manual input for voice adjustment numbers
- Make search results full screen
- Allow multiple selections in search results
- Enable multiple searches without re-entering content
- Format code blocks
- Add option to manually input progress percentage
- Add option to manually input voice adjustment numbers
In-app purchases
AR Protractor Lite
No in-app purchases
YDReader
- 1元购买100金币$0.99
- 18元购买9999金币$2.99









