4Studies vs Lapis Ater
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4Studies
This app helps students and educators organize classes, assignments, and deadlines with an intuitive interface. It also allows for the creation of customized practice tests for university and high school exams.
- Class and assignment organization
- Customizable notes and reminders
- Academic calendar view
- University practice test creation
- High school practice test creation
- Intuitive user interface
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Plan your studies, turn content into practice, and keep your academic routine in one place. 4Studies combines a study planner, class schedule, notes, tasks, flashcards, AI-generated practice exams, and Live Quiz to help you study with more structure and consistency. PLAN YOUR ROUTINE • Add subjects, academic terms, and class schedules. • View your calendar by day, week, or month. • Organize exams, events, meetings, and deadlines. • Create recurring events and receive reminders. • See upcoming commitments and priorities from the home screen. CAPTURE AND FIND YOUR CONTENT • Create notes with formatted text, lists, and checklists. • Add tags, favorites, and subject links. • Search by title, content, or tags. • Attach images and PDF files. • Turn a note into a task without losing your content. MANAGE TASKS AND PROJECTS • Set priorities, deadlines, statuses, and checklists. • Connect tasks to subjects or projects. • Filter pending, overdue, and completed items. • Track project progress from planning to delivery. PRACTICE WITH AI QUIZZES • Generate practice exams from a topic, text, or selected notes. • Practice with different question formats. • Review your answers and explanations after each attempt. • Keep a personal error notebook for focused revision. • Turn incorrect answers into flashcards. • Repeat an attempt or generate a new round to keep improving. PLAY A LIVE QUIZ Create a room, choose the topics, and invite classmates or friends to answer in real time. Questions are generated in the language selected by the host, with support for Portuguese, English, and Spanish. Live Quiz includes different difficulty levels, question formats, round rankings, and room support for up to 50 participants. TRACK YOUR PROGRESS Enable only the academic modules you need: • Grades and weighted averages. • Attendance tracking. • Flashcards created manually or from your study content. • Practice history and progress between attempts. MAKE IT YOURS Choose light, dark, or automatic appearance. Adjust sound effects and vibration, and use device accessibility settings including larger text and reduced motion. Plan, practice, and keep moving forward with 4Studies. LICENSED APPLICATION END USER LICENSE AGREEMENT https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Lapis Ater
Access cognitive performance and emotional well-being programs to improve your studies, focus, and balance. Log in to access lessons from anywhere in the world, right from your device.
- Cognitive performance programs
- Emotional well-being programs
- Improved study habits
- Enhanced focus
- Balanced routines
- Access lessons anywhere
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Seja bem-vindo(a)! O aplicativo Lapis Ater oferece acesso completo aos nossos programas de Performance Cognitiva e Bem-Estar Emocional, desenvolvidos para ajudar você a estudar melhor, ter mais foco e cultivar uma rotina equilibrada. Faça login com as suas credenciais e tenha acesso às aulas, de qualquer lugar do mundo, na palma da sua mão.
Screenshots
Verdict
The clearest difference is rating: Lapis Ater at 5.0 against 4Studies's 4.0. 4Studies's advantage is update cadence (every 2 days vs every 4 months). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Lapis Ater holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
4Studies ships an update every 2 days, Lapis Ater every 4 months. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.
| Parameter | 4Studies | Lapis Ater |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 days — better | Every 4 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 — better | 15.5 |
| Further details — not scored | ||
| Size | 119 MB | 50 MB |
| Age rating | +4 | 4+ |
| Developer | SSRC TI | Lapis Ater Ltda |
Customer experience
4Studies
Lapis Ater
In-app purchases
4Studies
No in-app purchases
Lapis Ater
No in-app purchases
Questions
Is 4Studies free?
Is Lapis Ater free?
Which has better reviews, 4Studies or Lapis Ater?
Do 4Studies or Lapis Ater have ads?
Which is updated more often, 4Studies or Lapis Ater?
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