Comparison

Stude vs Onyx

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Stude

This app uses spaced repetition to create personalized daily to-do lists for efficient studying. It helps users retain information long-term by adapting to their feedback and allows for customization of goals and study sessions. Users can also attach files and organize unlearned chapters.

Highlights
  • Spaced repetition algorithms
  • Customizable daily goals
  • File attachment to courses
  • Organize unlearned chapters
  • Study session timing
  • Light and dark themes
Features
Read full description

Discover Stude, the app that helps you study efficiently! Disclaimer: Stude could significantly improve your academic results. With Stude, you will never forget a chapter again. This game-changing app uses spaced repetition to generate a to-do list each day, tailored to your goals and subject mastery. Smart spaced repetition: Stude relies on carefully crafted algorithms to assist you in retaining your courses for the long term. These algorithms take into account your daily feedback to adapt to your needs. Customized goals: Set your daily goals and let Stude adapt to your pace. Whether it's a complex biochemistry course or a captivating history lesson, Stude ensures you never lose sight of it. Attached files: Save time by attaching relevant files to your courses using Stude. Add presentations, articles, or notes to your chapters for a more comprehensive learning experience. Queued items: Organize your unlearned chapters into queues. Plan when to introduce new courses for a smooth and progressive learning journey. Session timing: Optimize your study time by timing your sessions. Stude helps you stay focused, allowing for productivity while avoiding burnout. Light and dark Themes: Personalize your learning experience by choosing between light and dark themes. Discover the modern way to study. Download Stude today and become part of the top students!

About

Onyx

Features
Read full description

All the Lyon 1 services you need on a daily basis, in a lightweight, modern cross-platform application. - Your university emails, accessible everywhere, anytime. Receive and send emails from Onyx. Flag the most important ones, delete the others. - Your Tomuss grades in a new, clearer and modern presentation. Add your own coefficients to each grade to create an average representative of the year's validation conditions for each teaching unit. - Your synchronized university schedule. With an integrated map to find that lecture hall nobody knows about, fast. Let Onyx warn you of changes to your schedule in the coming days, so you don't get caught out. - A map of the campus, with only the most important information, entirely local and functional offline. Try it, it's open-source! Onyx is an application made for students, by students.

Screenshots

Stude4 screens
Onyx4 screens

Verdict

The call

The clearest difference is in-app purchases: Onyx at none against Stude's 2. Onyx also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stude sells 2 in-app purchases, starting at $1.49 per month. Onyx asks for nothing beyond the download.

UpkeepUpdate frequency

Stude ships an update monthly, Onyx every 2 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 7 level
Stude versus Onyx: the parameters behind the verdict, then further details
ParameterStudeOnyx
PriceFreeFree
Rating1.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyMonthly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.4 — better14.0
Further details — not scored
Size39 MB57 MB
Age rating4+4+
DeveloperAli HawariEymeric Dechelette

In-app purchases

2 purchases

Stude

Subscriptions2
  • Stude +7 Days trial$1.491 Month
  • Stude +$17.991 Year
None

Onyx

No in-app purchases

Questions

Is Stude free?
Stude is free to download, with in-app purchases available.
Is Onyx free?
Onyx is free to download, with no in-app purchases.
Do Stude or Onyx have ads?
Stude shows ads; Onyx does not.
Which is updated more often, Stude or Onyx?
Stude ships an update monthly, and Onyx every 2 months. Most recently, Stude was updated on November 3, 2026 and Onyx on October 27, 2026.

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