# Unitree Study Abroad vs Erfolg

The clearest difference is update cadence: Unitree Study Abroad at weekly against Erfolg's monthly. Erfolg's advantage is iOS requirement (15.1 vs 17.0). 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.

Unitree Study Abroad ships an update weekly, Erfolg monthly. The most recent releases landed on September 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Unitree Study Abroad | Erfolg |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 20 MB | 50 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Unica Solutions Private Limited](https://appshunter.io/developer/1227302741) | [ERFOLG Counseling Services](https://appshunter.io/developer/1677061855) |

## What reviewers say

### Unitree Study Abroad

[App page](https://appshunter.io/ios/app/unitree-study-abroad/id1504244684)

**Features:** macOS Compatibility

**In-app purchases:** none


### Erfolg

[App page](https://appshunter.io/ios/app/erfolg/id6446266952)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unitree Study Abroad free?

Unitree Study Abroad is free to download, with no in-app purchases.

### Is Erfolg free?

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

### Do Unitree Study Abroad or Erfolg have ads?

Neither Unitree Study Abroad nor Erfolg shows ads.

### Which is updated more often, Unitree Study Abroad or Erfolg?

Unitree Study Abroad ships an update weekly, and Erfolg monthly. Most recently, Unitree Study Abroad was updated on September 16, 2026 and Erfolg on September 14, 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.*