# GstarCAD vs Oyster Send

The clearest difference is in-app purchases: GstarCAD at none against Oyster Send's 2. GstarCAD also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Oyster Send sells 2 in-app purchases, starting at $9.99 per month. GstarCAD asks for nothing beyond the download.

## The numbers

| Metric | GstarCAD | Oyster Send |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oyster-send/id6810333308/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 211 MB | 11 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gstarsoft Co., Ltd](https://appshunter.io/developer/456933697) | [Jaime Peralts Esquivel](https://appshunter.io/developer/6785290215) |

## What reviewers say

### GstarCAD

[App page](https://appshunter.io/ios/app/gstarcad/id6503130502)

This application provides a cloud-based CAD solution for cross-terminal project management and collaboration. It enables seamless switching between devices, secure data management, and real-time annotation and review of drawings. The platform supports numerous 3D file formats for comprehensive model browsing.

**Highlights:** Cross-platform account interoperability, Cloud annotation and project collaboration, Secure data management with permission rules, Real-time drawing reviews and voice communication, Shared resource library for team members, 3D model browsing with multiple viewing functions

**In-app purchases:** none


### Oyster Send

[App page](https://appshunter.io/ios/app/oyster-send/id6810333308)

Create and send professional invoices quickly from your phone. Customize PDFs with your branding and payment details. Track outstanding and paid invoices with ease.

**Highlights:** Quick client invoicing, Customizable PDF invoices, Direct client payments, Multi-currency support, Invoice tracking, Contact saving

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oyster Monthly | $9.99 | per month |
| Oyster Annual | $99.99 | per year |


## Frequently asked questions

### Is GstarCAD free?

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

### Is Oyster Send free?

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

### Do GstarCAD or Oyster Send have ads?

Neither GstarCAD nor Oyster Send shows ads.

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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.*