# SumDU vs XjCountdown

The clearest difference is device support: SumDU at 3 against XjCountdown's 1. SumDU also leads on iOS requirement (12.1 vs 18.0). On price, 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.

## The numbers

| Metric | SumDU | XjCountdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sumdu/id698235283/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | Free | — |
| Size | 14 MB | 4 MB |
| Requires iOS | **12.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [App Dev Academy Ltd.](https://appshunter.io/developer/1281918813) | [Kostiantyn Volkov](https://appshunter.io/developer/1800526030) |

## What reviewers say

### SumDU

[App page](https://appshunter.io/ios/app/sumdu/id698235283)

Access your university schedule, including classes, professors, and rooms, all in one convenient app. Download your schedule for offline use and sync it with your device's calendar to avoid missing appointments.

**Highlights:** University schedule access, Professor and auditorium schedules, Offline schedule download, Calendar integration, Schedule for all groups

**In-app purchases:** none


### XjCountdown

[App page](https://appshunter.io/ios/app/xjcountdown/id6742934371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SumDU free?

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

### Is XjCountdown free?

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

### Do SumDU or XjCountdown have ads?

Neither SumDU nor XjCountdown shows ads.

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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.*