# GRESCharge vs Boya OS

The clearest difference is in-app purchases: GRESCharge at none against Boya OS's 8. GRESCharge also leads on iOS requirement (13.0 vs 15.6). Boya OS's advantage is update cadence (every 11 days vs every 6 weeks) and chart position (#63 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Boya OS sells 8 in-app purchases, starting at $17.99 per month. GRESCharge asks for nothing beyond the download.

GRESCharge ships an update every 6 weeks, Boya OS every 11 days. The most recent releases landed on September 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | GRESCharge | Boya OS |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#63** |
| Size | 33 MB | 167 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gresgying Digital Technology Co., Ltd.](https://appshunter.io/developer/1723152051) | [Shenzhen Perfect Acoustic Technology Co., LTD](https://appshunter.io/developer/1845829125) |

## What reviewers say

### GRESCharge

[App page](https://appshunter.io/ios/app/grescharge/id6475035718)

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

**In-app purchases:** none


### Boya OS

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

**Currently charting:** #63 Top Grossing · 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 |


## Frequently asked questions

### Is GRESCharge free?

GRESCharge is free to download, with no in-app purchases.

### Is Boya OS free?

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

### Do GRESCharge or Boya OS have ads?

Neither GRESCharge nor Boya OS shows ads.

### Which is updated more often, GRESCharge or Boya OS?

GRESCharge ships an update every 6 weeks, and Boya OS every 11 days. Most recently, GRESCharge was updated on September 10, 2026 and Boya OS on September 25, 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.*