# SDÜ vs ISUBÜ

The clearest difference is review sentiment: ISUBÜ at 68% against SDÜ's 41%. ISUBÜ also leads on update cadence (weekly vs every 3 weeks). SDÜ's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SDÜ ships an update every 3 weeks, ISUBÜ weekly. Both last shipped on October 22, 2026.

## The numbers

| Metric | SDÜ | ISUBÜ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/sdu/id1495642587/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 40.6% of reviews | **68.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 63 MB | 54 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Suleyman Demirel Universitesi](https://appshunter.io/developer/982515560) | [Isparta Uygulamali Bilimler Universitesi](https://appshunter.io/developer/1606455170) |

## What reviewers say

### SDÜ

[App page](https://appshunter.io/ios/app/sdu/id1495642587)

Access campus maps, event listings, and academic information. Receive notifications for grades, news, and announcements. Manage dining, library reservations, and payments.

**Highlights:** Event listings, Campus navigation with route drawing, Grade and announcement notifications, Staff search, Daily meal menus, Academic calendar, Unit-specific messages, In-unit chat, Profile customization, Social media access

**In-app purchases:** none


### ISUBÜ

[App page](https://appshunter.io/ios/app/isubu/id1606455168)

Access university news, web TV, and academic information. Manage academic schedules, view transcripts, and utilize QR code access for campus facilities. Students and staff can access personalized services and manage their academic and professional information.

**Highlights:** News and announcements, Live web TV streaming, QR code access system, Reservation management, Academic calendar and schedules, Online attendance tracking, Transcript updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SDÜ free?

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

### Is ISUBÜ free?

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

### Do SDÜ or ISUBÜ have ads?

Neither SDÜ nor ISUBÜ shows ads.

### Which is updated more often, SDÜ or ISUBÜ?

SDÜ ships an update every 3 weeks, and ISUBÜ weekly. Most recently, SDÜ was updated on October 22, 2026 and ISUBÜ on October 22, 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.*