UDA vs StudyOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UDA
This mobile application connects students with their university. It allows users to check grades and attendance, even if they are enrolled in multiple programs simultaneously.
- Check grades
- Monitor attendance
- Support for multiple programs
- University connection
- Student portal
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La aplicación móvil de la Universidad del Azuay ha sido desarrollada para proporcionar a los alumnos una forma de estar conectados con su universidad. La aplicación permite consultar calificaciones y asistencia incluso si sigues varias carreras a la vez.
StudyOS
Transform your study materials into interactive flashcards, summaries, and quizzes with AI. This app efficiently prepares you for exams and helps you master concepts on the go, making learning faster and more engaging.
- AI-generated flashcards
- Automated summaries
- Personalized quizzes
- Material upload (notes, PDFs, images)
- Spaced repetition techniques
- Progress tracking
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Say goodbye to tedious and traditional methods. With StudyOS, your notes, PDFs, or even images are instantly transformed into smart flashcards, quick summaries, and multiple-choice questions – without manual copy-pasting, without hassle. Our powerful AI takes your material and quickly generates dynamic flashcards, summaries, and personalized quizzes, helping you prepare efficiently for big exams or review key concepts on the go. Focus on what truly matters, wherever you are. StudyOS is designed to boost your study effectiveness, making learning faster, more engaging, and with a cleaner, smoother interface. Simply upload your study materials and let our AI turn them into flashcards, summaries, and quizzes tailored to you. This main functionality is just the beginning of how StudyOS will revolutionize your learning. We’re just getting started! Soon you’ll be able to do even more, all powered by AI: generate quick summaries of your notes, create multiple-choice questions and more features from your study materials, test yourself, and master concepts with advanced spaced repetition techniques. Download StudyOS today and study smarter, not harder. Upgrade to StudyOS PRO for unlimited AI access and advanced features. Our terms: https://studyosapp.app/en/terms Our privacy policy: https://studyosapp.app/en/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: UDA at none against StudyOS's 4. UDA also leads on iOS requirement (15.0 vs 17.1). StudyOS's advantage is rating (4.9 vs 4.7) and ratings volume (91 vs 9). On price, update cadence, 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. StudyOS sells 4 in-app purchases, starting at $4.99 per 7 days. UDA asks for nothing beyond the download.
StudyOS holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: StudyOS has 91 ratings behind it against 9, so its average is the more settled of the two.
UDA ships an update every 8 days, StudyOS every 9 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.
| Parameter | UDA | StudyOS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (9 ratings) | 4.9 (91 ratings) — better |
| Positive reviews | 26.3% of reviews | — |
| Number of ratings | 9 | 91 — better |
| Update frequency | Every 8 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.1 |
| Further details — not scored | ||
| Size | 53 MB | 118 MB |
| Age rating | 4+ | 4+ |
| Developer | Universidad del Azuay | DANIEL PONCELAS VARGAS |
Customer experience
UDA
StudyOS
In-app purchases
UDA
No in-app purchases
StudyOS
- Premium Access$4.997 Days
- Premium Access3 Days trial$12.991 Month
- Premium Access1 Month trial$12.991 Month
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- Premium Access3 Days trial$69.991 Year
