Substitutes vs Clarity by Audecius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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!
Clarity by Audecius
This app integrates daily planning and study tools to help users organize events, tasks, and academic materials. It offers features for planning your day, managing schoolwork, and utilizing study aids like flashcards and practice tests. A free tier provides core planning functions, with additional study tools available through a subscription.
- Daily planning and task management
- Event and project organization
- Study material organization
- Flashcards and practice tests
- Focus sessions
- Journaling
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Clarity brings planning and learning into your everyday life. Keep events, tasks, projects, and study material together, then move from your weekly overview to the work in front of you. Plan your day See events and open tasks in Today. Capture a new task, set its due date, or break a project into smaller steps. Start a focus session when you want to work on one thing. Use your journal for thoughts and memories you want to return to. Keep up with school and college Organize subjects, class schedules, homework, and exams. Record grades and their weights. The extended study tools bring flashcards and practice tests together with your material, whether you are reviewing vocabulary or preparing for your next exam. Daily planning, tasks, the core calendar, and focus are free. Plus adds study tools. The flashcards and practice tests described above require a plan that includes Plus features. Online features may require an account, an internet connection, and relevant permissions. The app shows the features, price, and billing period before purchase. Subscriptions renew automatically unless canceled. Manage and cancel subscriptions purchased through Apple in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Substitutes at none against Clarity by Audecius's 8. Substitutes also leads on iOS requirement (18 vs 26.0). Clarity by Audecius's advantage is update cadence (weekly vs every 3 months) and review sentiment (100% vs 71%). On price, ads and device support 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. Clarity by Audecius sells 8 in-app purchases, starting at $7.99 per month. Substitutes asks for nothing beyond the download.
Substitutes ships an update every 3 months, Clarity by Audecius weekly. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.
| Parameter | Substitutes | Clarity by Audecius |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 71.4% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 18 — better | 26.0 |
| Further details — not scored | ||
| Size | 3 MB | 345 MB |
| Age rating | 4+ | 4+ |
| Developer | Jan Wittler | Audecius UG Haftungsbeschrankt |
Customer experience
Substitutes
Clarity by Audecius
In-app purchases
Substitutes
No in-app purchases
Clarity by Audecius
- Clarity Plus Monthly$7.991 Month
- Clarity Teacher Monthly1 Month trial$12.991 Month
- Clarity Family Monthly1 Month trial$14.991 Month
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- Clarity One Monthly$19.991 Month
- Clarity Plus Yearly7 Days trial$49.991 Year
- Clarity Teacher Yearly1 Month trial$79.991 Year
- Clarity Family Yearly1 Month trial$99.991 Year
- Clarity One Yearly7 Days trial$149.991 Year
Questions
Is Substitutes free?
Is Clarity by Audecius free?
Do Substitutes or Clarity by Audecius have ads?
Which is updated more often, Substitutes or Clarity by Audecius?
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