Comparison

Smart Diary Edu vs TriStack

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

Head to head
About

Smart Diary Edu

This app helps students manage their academic life by organizing schedules, tracking assignments, and monitoring grades. It offers tools for time management, goal setting, and note-taking, with features like customizable timetables and reminders.

Highlights
  • Add homework, tests, and notes
  • Manage weekly timetable
  • Track grades and set goals
  • Time management organizer
  • Task reminders and customization
  • Notes with text formatting
  • iCloud backup
Features
Read full description

Smart Diary Edu is dedicated to educational institutes, all the Premium features are included in the app. For personal use we suggest you to download the normal version of "Smart Diary - Student Planner" for a better experience. Smart Diary is a complete student planner / school diary, with this application you can: • add homework, tests and free notes on the Diary • manage your weekly timetable • manage your grades, set goals • use the Organizer, a tool that help you managing the time dedicated to tasks Here are all the functions. 1. Subjects and Timetable • For every subject you can choose a color, add the Professor, and other notes • Set the timetable selecting the subject and the lesson type. You can customize the timetable changing the maximum hours, the end of the week, set the hour in the 'hour:minute' format • Multiple Timetables • Print your weekly timetable 2. Tasks and Absences • Mark a task as important or done, set the required time, set a reminder, associate an emoji • View your tasks in different ways; classic diary with pages or list grouped by day • Reorder the tasks to better organize the Diary, just tap and hold on a task • Mark absences. Count absences by type and period • Memos section 3. Time Management • Organizer - a powerful but simple tool to schedule tasks, it allow you to specify the required time and schedule the task over multiple days. Calculation of the daily work, swipe and consult the days with the bar chart • Time - a pure time management tool. Create work session with customized countdowns 4. Grades Management • Multiple evaluation systems supported (numeric 0 - 10, alphabetical A - F, etc) • Grades chart and filter by grade type / period • Check your general average 5. Goals • Set a grade as a goal, by subject and grade type • Calculate the required grade to reach your goal or the sufficiency 6. Notes • Dedicated editor to write notes • Text formatting in bold, italic, highlighted • History of the previous text reviews 7. General features and customization • Set a reminder notification for tasks, you can select a rapid reminder or a specific date • 3D Touch Shortcut by pressing deeply on the app icon • Customize the app appearance with themes 8. Widget and backup • Widget with tasks overview for the following day, timetable widget • Data and Preferences Backup on iCloud 9. Apple Watch • Add new tasks dictating in natural language • View tasks and timetable • Mark a task as done

About

TriStack

Read full description

TriStack: Learn JavaScript & TypeScript for Mobile Development with React Native TriStack is your offline-first learning companion for building mobile apps using React Native, JavaScript, and TypeScript. Explore essential concepts, project-based tutorials, and structured units at your own pace. The app is ad-free and available with a one-time download—designed for self-learners and developers aiming to enhance their skills. COMPLETE LEARNING JOURNEY * 22 In-Depth Learning Units covering setup, core concepts, ecosystem tooling, and advanced patterns * 30 Challenging Coding Exercises per Unit to solidify your understanding * 100 JavaScript Programming Challenges covering core topics from basics to essentials * Comprehensive Lecture Notes and annotated code samples for every topic * Daily Coding Challenge with instant feedback and hints * Progress Dashboard to track mastery of units and tasks * Dark & Light Mode + 10 Custom Themes personalize your workspace * 100% Offline Access—learn anytime, anywhere * 12 UI themes to customize your coding environment * 15 interface languages to learn in your preferred language * No Subscriptions, No Ads—one-time download, lifetime updates TUTORIAL FEATURES * Step-by-Step Walkthroughs with visual aids and best-practice tips * Syntax-Highlighted, Annotated Code for React, React Native, JavaScript, and TypeScript * Interactive Simulators for live tweaking of component props and state * Built-In Emulator Previews so you can test UI on multiple device form-factors * Versioned Snippets & Cheatsheets for quick reference LEARNING UNITS 1. JavaScript Fundamentals for React 2. JavaScript React Counter with History Programming Task 3. JavaScript React Color Palette Generator Programming Tasks 4. JavaScript React Todo App Programming Tasks 5. JavaScript React Expense Calculator Programming Tasks 6. JavaScript React Timer with Alerts Programming Tasks 7. JavaScript React Memory Card Game Programming Tasks 8. JavaScript React Weather Display Programming Tasks 9. JavaScript React Shopping Cart System Programming Tasks 10. JavaScript React Note Taking App Programming Tasks 11. TypeScript Fundamentals for React 12. JavaScript React Calculator with Themes Programming Tasks 13. TypeScript React Type-Safe Counter Programming Tasks 14. TypeScript React Todo List Programming Tasks 15. TypeScript React Form Validator Programming Tasks 16. TypeScript React Theme Switcher Tasks 17. TypeScript React Timer Component 18. TypeScript React Expense Tracker Programming Tasks 19. TypeScript React Quiz App Development 20. TypeScript React Recipe Manager Tasks 21. TypeScript React Task Board - Drag-Drop, Status Enums, State Management 22. TypeScript React Password Generator - Type Constraints & Utility Types WHAT YOU’LL LEARN * JavaScript & React essentials: ES6, JSX, and lifecycles * Common UI patterns: counters, color pickers, to-dos, calculators * Manage state with Hooks, Context, and custom hooks * Style & theme apps via CSS-in-JS and toggles * Build interactive features: timers, alerts, games, drag-and-drop * Save data locally and integrate REST APIs * Enforce types in React with TypeScript: generics, enums, utility types * Validate forms and handle input effectively * Structure modular, scalable codebases * Test, debug, and optimize for production INTENDED AUDIENCE * Front-end & mobile developers new to React Native * JavaScript developers eager to adopt TypeScript * Web developers transitioning to mobile UI/UX * Full-stack engineers building cross-platform apps * Developers focused on code quality, safety, and maintainability * Anyone looking to ship high-performance, type-safe React Native applications Start your journey to React Native mastery—download TriStack today and code confidently with JavaScript and TypeScript, anywhere, offline, and ad-free.

Screenshots

Smart Diary Edu4 screens
TriStack4 screens

Verdict

The call

The clearest difference is price: Smart Diary Edu at $2.99 against TriStack's $6.99. Smart Diary Edu also leads on iOS requirement (12.0 vs 15.1). On update cadence, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Smart Diary Edu costs $2.99 and TriStack $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 6 level
Smart Diary Edu versus TriStack: the parameters behind the verdict, then further details
ParameterSmart Diary EduTriStack
Price$2.99 — better$6.99
Positive reviews100.0% of reviews—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size23 MB36 MB
Age rating4+4+
DeveloperMatteo D'IgnazioSimTeCon GmbH

In-app purchases

None

Smart Diary Edu

No in-app purchases

None

TriStack

No in-app purchases

Questions

Is Smart Diary Edu free?
Smart Diary Edu costs $2.99, with no in-app purchases.
Is TriStack free?
TriStack costs $6.99, with no in-app purchases.
Do Smart Diary Edu or TriStack have ads?
Neither Smart Diary Edu nor TriStack shows ads.
Which is updated more often, Smart Diary Edu or TriStack?
Smart Diary Edu ships an update every 2 months, and TriStack every 2 months. Most recently, Smart Diary Edu was updated on November 2, 2026 and TriStack on November 4, 2026.

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