# 4Studies vs Lapis Ater

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.

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.

## The numbers

| Metric | 4Studies | Lapis Ater |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/4studies-study-planner/id6479274987/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lapis-ater/id6756674329/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 4 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 119 MB | 50 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [SSRC TI](https://appshunter.io/developer/1676448502) | [Lapis Ater Ltda](https://appshunter.io/developer/1862219442) |

## What reviewers say

### 4Studies

[App page](https://appshunter.io/ios/app/4studies-study-planner/id6479274987)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Lapis Ater

[App page](https://appshunter.io/ios/app/lapis-ater/id6756674329)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*