Boya OS vs Pixel Ruler Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Boya OS
This app uses AI to record, transcribe, and summarize audio from meetings, interviews, and speeches. It transforms spoken content into accurate text and generates structured notes, enhancing efficiency for various audio workflows.
- AI-powered audio recording
- Accurate transcription
- Automated summaries
- Multilingual support
- Structured meeting notes
- Subtitle generation
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Boya OS: Audio Transcription & Summaries Boya OS is an intelligent audio recording, transcription, and translation app developed by Boya, It is designed for multilingual meetings, interviews, speeches, and content documentation. With powerful speech recognition and natural language processing, BOYA Notra transforms recordings into accurate transcripts and automatically generates structured summaries, significantly improving the usability and efficiency of recorded audio. Key Feature • Summaries: Automatically extracts key information and generates clear, structured meeting notes and concise highlights. Ideal Use Cases • Recording and summarization of business meetings • Organizing interviews, lectures, and spoken content • Multilingual communication and international collaboration • Video creation, podcast transcription, and subtitle generation By deeply integrating professional-grade audio hardware with cutting-edge technology, BOYA Notra delivers a next-generation voice productivity experience. Whether you’re a content creator, business professional, or language learner, Boya OS is an essential assistant for your audio workflows. Download Boya OS now and experience efficiency in voice recording and transcription.
Pixel Ruler Pro
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Measure any pixel on screen with pinpoint accuracy. Detect UI elements instantly with AI. Pick colors in HEX, RGB, and HSL — all in one tool. Pixel Ruler is the essential companion for designers, developers, and anyone who cares about pixel-perfect precision. Whether you're checking spacing between elements, identifying colors, or analyzing UI layouts, Pixel Ruler streamlines your workflow. KEY FEATURES: • AI-Powered Element Detection — Automatically recognize UI components using on-device machine learning. No internet required. • Precision Pixel Measurement — Measure distances, widths, and heights down to the exact pixel. Drag rulers across any screen content. • Smart Spacing Analysis — Instantly measure gaps between detected elements. Perfect for verifying design specs and layout consistency. • Advanced Color Picker — Tap any pixel to grab its color in HEX, RGB, or HSL format. Copy values with a single tap. • On-Device Processing — All detection and measurement happens locally on your device using CoreML. Your screenshots stay private. • Clean, Focused Interface — A minimal UI that stays out of your way so you can focus on what matters: the details. BUILT FOR PROFESSIONALS: Pixel Ruler is designed for UI/UX designers reviewing mockups, front-end developers verifying implementations, QA engineers catching visual regressions, and product managers who demand visual precision. Import screenshots or capture directly from your screen, then measure, detect, and pick colors — all without leaving the app.
Screenshots
Verdict
The clearest difference is in-app purchases: Pixel Ruler Pro at none against Boya OS's 8. Boya OS's advantage is ads (none vs shown) and update cadence (every 11 days vs monthly). 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. Boya OS sells 8 in-app purchases, starting at $17.99 per month. Pixel Ruler Pro asks for nothing beyond the download.
Boya OS ships an update every 11 days, Pixel Ruler Pro monthly. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.
| Parameter | Boya OS | Pixel Ruler Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 11 days — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #7 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 167 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Perfect Acoustic Technology Co., LTD | MIZOU, CO., LTD. |
In-app purchases
Boya OS
- Pro (billed monthly)$17.991 Month
- Transcription All Summary Templates$29.991 Month
- Pro (billed annually)7 Days trial$99.991 Year
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- Ultimat billed annually7 Days trial$239.991 Year
- 120 minutes Transcription$2.90
- 600 minutes Transcription$9.90
- 3000 minutes Transcription$48.90
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- 6000 minutes Transcription$88.90
Pixel Ruler Pro
No in-app purchases









