# UBAA vs Arbor Robots

The clearest difference is iOS requirement: Arbor Robots at 13.0 against UBAA's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

UBAA ships an update every 3 weeks, Arbor Robots every 5 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | UBAA | Arbor Robots |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ubaa/id6768861821/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 55 MB | 49 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [沐衡 李](https://appshunter.io/developer/1896609602) | [Tianshu Tanjie(Beijing)Technology Co.,Ltd](https://appshunter.io/developer/6779140959) |

## What reviewers say

### UBAA

[App page](https://appshunter.io/ios/app/ubaa/id6768861821)

A cross-platform campus service aggregator designed for Beihang University students. It provides a one-stop solution for academic needs including class schedules, exams, grades, attendance, and teaching evaluations.

**Highlights:** Class schedule management, Exam and grade tracking, Attendance monitoring, Teaching evaluation system, Cross-platform compatibility

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

**In-app purchases:** none


### Arbor Robots

[App page](https://appshunter.io/ios/app/arbor-robots/id6792746061)

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

**In-app purchases:** none


## Frequently asked questions

### Is UBAA free?

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

### Is Arbor Robots free?

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

### Do UBAA or Arbor Robots have ads?

Neither UBAA nor Arbor Robots shows ads.

### Which is updated more often, UBAA or Arbor Robots?

UBAA ships an update every 3 weeks, and Arbor Robots every 5 weeks. Most recently, UBAA was updated on October 31, 2026 and Arbor Robots on October 31, 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.*