USTCBot vs Substitutes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
USTCBot
This app provides essential tools for University of Science and Technology of China (USTC) students and faculty. It offers real-time school bus schedules with notifications and a comprehensive course table that syncs automatically or can be manually edited. A widget extension allows for quick access to daily course schedules.
- Real-time school bus schedules
- Bus time notifications
- Automatic course synchronization
- Manual course entry
- Daily and weekly course views
- Widget for today's courses
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Welcome come to USTCBot, a powerful USTC (University of Science and Technology of China) 's app on iOS. USTCBot is designed for undergraduates, graduates, professors and teachers in USTC. # Key Features • School Bus - Auto locate your campus and offer you the latest school bus time - Provides full timetables of every campus's school bus - You can add notifications for a specific time in commuting view • Courses Table - Automatically synchronize all courses from the education system (for undergraduate only) - Manually add course to the courses table - Courses table enables you to check the daily courses or all weekly courses - Edit the existing course information - A gorgeous user interface just similar to the traditional paper-based courses table • Widget Extension - Add widget to view today's courses # Note USTCBot is also available on Mac App Store, go check it out. # Contact For any suggestions, tips or complaints, please feel free to contact us via E-mail:ustcbot@outlook.com
Substitutes
Access your school's substitution schedule directly on your iPhone or iPad. Stay updated automatically with timetable changes, even offline. You can also input your personal schedule for a consolidated view of all your classes and substitutions.
- Real-time substitution plan updates
- Offline access to schedule
- Personal timetable input
- Automatic course synchronization
- Supports schools across Germany
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Latest substitution plan directly for your iPhone and iPad. Stay up to date automatically and be aware of your timetable at all times! With your iOS device, you now have your substitution plan directly in your pocket - even offline - and are always up-to-date. You can also enter your own timetable and have everything in one app. Choose your school, enter your courses and that's all you need to be informed about all your substitutions. Your courses are automatically synchronised with the substitutions and displayed to you. No more annoying course matching, because from now on all you need to do is take a quick look at this app and you'll know when you have which substitutions. Substitutes supports schools all over Germany. The complete list can be viewed at https://vertretungen.wittler.app/en#schools. Your school is not supported yet? Send us an email to vertretungen@wittler.app with information about your school and the link to your online substitution plan. We hope to support your school as soon as possible!
Screenshots
Verdict
The clearest difference is iOS requirement: USTCBot at 16.0 against Substitutes's 18. On price, review sentiment, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
USTCBot ships an update every 4 months, Substitutes every 3 months. The most recent releases landed on August 31, 2026 and September 5, 2026 respectively.
| Parameter | USTCBot | Substitutes |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 66.7% of reviews | 71.4% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 16.0 — better | 18 |
| Further details — not scored | ||
| Size | 10 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Hengyu Zhou | Jan Wittler |
Customer experience
USTCBot
Substitutes
In-app purchases
USTCBot
No in-app purchases
Substitutes
No in-app purchases









