# UBAA vs Echo EFB

The clearest difference is update cadence: UBAA at fortnightly against Echo EFB's every 3 months. 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.

UBAA ships an update fortnightly, Echo EFB every 3 months. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | UBAA | Echo EFB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ubaa/id6768861821/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | — |
| Size | 55 MB | 19 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [沐衡 李](https://appshunter.io/developer/1896609602) | [从哲 黄](https://appshunter.io/developer/1895937784) |

## 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


### Echo EFB

[App page](https://appshunter.io/ios/app/echo-efb/id6772218047)

**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 Echo EFB free?

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

### Do UBAA or Echo EFB have ads?

Neither UBAA nor Echo EFB shows ads.

### Which is updated more often, UBAA or Echo EFB?

UBAA ships an update fortnightly, and Echo EFB every 3 months. Most recently, UBAA was updated on October 1, 2026 and Echo EFB on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*