Comparison

4Studies vs Lapis Ater

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

Head to head
About

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.

Highlights
  • Class and assignment organization
  • Customizable notes and reminders
  • Academic calendar view
  • University practice test creation
  • High school practice test creation
  • Intuitive user interface
Features
Read full description

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/

About

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.

Highlights
  • Cognitive performance programs
  • Emotional well-being programs
  • Improved study habits
  • Enhanced focus
  • Balanced routines
  • Access lessons anywhere
Features
Read full description

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

4Studies4 screens
Lapis Ater3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
4Studies versus Lapis Ater: the parameters behind the verdict, then further details
Parameter4StudiesLapis Ater
PriceFreeFree
Rating4.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 2 days — betterEvery 4 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.5
Further details — not scored
Size119 MB50 MB
Age rating+44+
DeveloperSSRC TILapis Ater Ltda

Customer experience

4Studies

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Lapis Ater

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

4Studies

No in-app purchases

None

Lapis Ater

No in-app purchases

Questions

Is 4Studies free?
4Studies is free to download, with no in-app purchases.
Is Lapis Ater free?
Lapis Ater is free to download, with no in-app purchases.
Which has better reviews, 4Studies or Lapis Ater?
Lapis Ater is rated higher. 4Studies averages 4.0 out of 5 from 1 ratings, while Lapis Ater averages 5.0 from 1 ratings.
Do 4Studies or Lapis Ater have ads?
Both 4Studies and Lapis Ater show ads.
Which is updated more often, 4Studies or Lapis Ater?
4Studies ships an update every 2 days, and Lapis Ater every 4 months. Most recently, 4Studies was updated on October 5, 2026 and Lapis Ater on October 9, 2026.

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