# ERP USTH vs VNTurtle

The clearest difference is update cadence: VNTurtle at every 3 days against ERP USTH's monthly. VNTurtle also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ERP USTH ships an update monthly, VNTurtle every 3 days. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ERP USTH | VNTurtle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 74 MB | 27 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [USTH](https://appshunter.io/developer/1892991174) | [Phuc Le](https://appshunter.io/developer/1849950646) |

## What reviewers say

### ERP USTH

[App page](https://appshunter.io/ios/app/erp-usth/id6762118745)

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

**In-app purchases:** none


### VNTurtle

[App page](https://appshunter.io/ios/app/vnturtle/id6796674928)

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

**In-app purchases:** none


## Frequently asked questions

### Is ERP USTH free?

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

### Is VNTurtle free?

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

### Do ERP USTH or VNTurtle have ads?

Neither ERP USTH nor VNTurtle shows ads.

### Which is updated more often, ERP USTH or VNTurtle?

ERP USTH ships an update monthly, and VNTurtle every 3 days. Most recently, ERP USTH was updated on September 14, 2026 and VNTurtle on September 17, 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.*