HOSTBase vs Math Trainer
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
HOSTBase
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With Hochschule Stralsund, you're fully equipped for your studies at Hochschule Stralsund. Whether you're just starting your studies or already in your Master's program, the app reliably supports you throughout your academic journey, ensuring you never lose track. Hochschule Stralsund is the perfect partner to organize your campus life. It seamlessly integrates into your daily routine and keeps all the important information right on your smartphone. This way, you have everything you need for your studies ā quick, easy, and always accessible. Calendar: Manage your schedule with the Hochschule Stralsund calendar. Keep track of all your appointments and never miss a lecture or important event again. Grades: Check your grades and keep track of your average ā quickly and easily. Library: No more overdue fees! With Hochschule Stralsund, you can always see your book loan deadlines and extend them with just a few clicks. Mail: Read and respond to your university emails directly from the app ā no complicated setup required. Hochschule Stralsund ā your practical study app from UniNow, designed specifically for students at Hochschule Stralsund.
Math Trainer
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Vector geometry for upper secondary school ā understand and practice step by step. 33 task types on vectors, lines and planes, with learning mode, practice mode, multiple choice and test mode. FOUR WAYS TO PRACTICE ⢠Learning mode (new): First the recipe ā key facts, numbered steps ā ā”⢠and a worked example. Then the app guides you step by step through a new task: you calculate every intermediate step yourself, get a targeted hint for typical mistakes, and if you get stuck, it shows you how it's done. ⢠Practice mode: type in the result ā with on-screen keypad, hints and a detailed solution. ⢠Multiple choice: pick the answer ā the wrong options are typical mistakes. ⢠Test mode: choose task types and number of questions, work like in an exam, get a score based on the German grading system and a PDF result. ROTATABLE 3D PICTURES (new) See points, vectors, lines and planes in space and turn them with your finger ā so you understand what you are calculating. 33 TASK TYPES VECTORS (14 task types) Connecting vector Ā· Midpoint Ā· Dividing a segment Ā· Magnitude Ā· Unit vector Ā· Collinearity Ā· Dot product Ā· Orthogonality Ā· Cross product Ā· Angle between vectors Ā· Area of triangle/parallelogram Ā· Volume of pyramid/parallelepiped Ā· Figures in space Ā· Reflection/projection onto coordinate planes LINES (9 task types) Line in parametric form Ā· Point test Ā· Trace points Ā· Relative position of two lines Ā· Intersection point Ā· Angle between lines Ā· Angle line ā coordinate plane Ā· Distance point ā line Ā· Distance between skew lines PLANES (10 task types) Plane in parametric form Ā· Parametric ā coordinate form Ā· Coordinate ā parametric form Ā· Point test Ā· Trace points Ā· Position line ā plane Ā· Position of two planes Ā· Distance point ā plane Ā· Angle line/plane ā plane Ā· Reflection in a plane FREE AND PREMIUM Many basic task types are free. Unlock all others with a one-time in-app purchase ā no subscription. MORE FEATURES ⢠Difficulty levels from easy to challenging ⢠Exact answers with square roots or decimals ⢠Solutions in clean mathematical notation ā always calculated with position vectors ⢠For iPhone and iPad, dark design, German and English IDEAL FOR Exam preparation Ā· Final exams (Abitur) Ā· Checking homework Ā· Independent practice in class and at home Vector math doesn't have to be complicated. Start now and become a vector pro!
Screenshots
Verdict
The clearest difference is in-app purchases: HOSTBase at none against Math Trainer's 1. HOSTBase also leads on update cadence (fortnightly vs every 5 months) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Math Trainer sells 1 one-off in-app purchase. HOSTBase asks for nothing beyond the download.
HOSTBase ships an update fortnightly, Math Trainer every 5 months. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.
| Parameter | HOSTBase | Math Trainer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly ā better | Every 5 months |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod, Apple Watch ā better | iPhone, iPad |
| Requires iOS | 15.1 ā better | 16.0 |
| Further details ā not scored | ||
| Size | 103 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | UniNow GmbH | Myroslava Zazuliak |
In-app purchases
HOSTBase
No in-app purchases
Math Trainer
- Premium-Upgrade$0.99









