# Boya OS vs Pixel Ruler Pro

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.

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.

## The numbers

| Metric | Boya OS | Pixel Ruler Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/boya-os/id6754067458/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#9** | — |
| Size | 167 MB | 43 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Perfect Acoustic Technology Co., LTD](https://appshunter.io/developer/1845829125) | [MIZOU, CO., LTD.](https://appshunter.io/developer/1542553141) |

## What reviewers say

### Boya OS

[App page](https://appshunter.io/ios/app/boya-os/id6754067458)

**Currently charting:** #9 Top Grossing · Developer Tools, #183 Top Free · Developer Tools (US App Store)

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.

**Highlights:** AI-powered audio recording, Accurate transcription, Automated summaries, Multilingual support, Structured meeting notes, Subtitle generation

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (billed monthly) | $17.99 | per month |
| Transcription All Summary Templates | $29.99 | per month |
| Pro (billed annually) | $99.99 | per year |
| Ultimat billed annually | $239.99 | per year |
| 120 minutes Transcription | $2.90 | one-time |
| 600 minutes Transcription | $9.90 | one-time |
| 3000 minutes Transcription | $48.90 | one-time |
| 6000 minutes Transcription | $88.90 | one-time |


### Pixel Ruler Pro

[App page](https://appshunter.io/ios/app/pixel-ruler-pro/id6761318967)

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

**In-app purchases:** none


## Frequently asked questions

### Is Boya OS free?

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

### Is Pixel Ruler Pro free?

Pixel Ruler Pro is free to download, with no in-app purchases.

### Do Boya OS or Pixel Ruler Pro have ads?

Pixel Ruler Pro shows ads; Boya OS does not.

### Which is updated more often, Boya OS or Pixel Ruler Pro?

Boya OS ships an update every 11 days, and Pixel Ruler Pro monthly. Most recently, Boya OS was updated on September 25, 2026 and Pixel Ruler Pro on September 21, 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.*