# Smart Diary vs 4Studies

The clearest difference is rating: Smart Diary at 4.8 against 4Studies's 4.0. Smart Diary also leads on ads (none vs shown) and ratings volume (42 vs 1). 4Studies's advantage is in-app purchases (none vs 1) and update cadence (every 2 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Smart Diary sells 1 one-off in-app purchase. 4Studies asks for nothing beyond the download.

Smart Diary holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Smart Diary has 42 ratings behind it against 1, so its average is the more settled of the two.

Smart Diary ships an update every 2 months, 4Studies every 2 days. The most recent releases landed on September 2, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Smart Diary | 4Studies |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (42 ratings)](https://appshunter.io/ios/app/smart-diary-student-planner/id1063078386/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/4studies-study-planner/id6479274987/reviews) |
| Number of ratings | **42** | 1 |
| Positive reviews | 65.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 23 MB | 119 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Matteo D'Ignazio](https://appshunter.io/developer/634863524) | [SSRC TI](https://appshunter.io/developer/1676448502) |

## What reviewers say

### Smart Diary

[App page](https://appshunter.io/ios/app/smart-diary-student-planner/id1063078386)

This student planner helps organize your academic life by tracking homework, tests, and absences. It includes tools for time management, grade tracking, and setting academic goals. Customize your experience with themes and access advanced features through an in-app purchase.

**Highlights:** Add homework, tests, and notes, Manage absences and count by type, Time management organizer, Track and manage grades, Set academic goals, Customizable timetable, Notes with text formatting

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium version | $2.99 | one-time |


### 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


## Frequently asked questions

### Is Smart Diary free?

Smart Diary is free to download, with in-app purchases available.

### Is 4Studies free?

4Studies is free to download, with no in-app purchases.

### Which has better reviews, Smart Diary or 4Studies?

Smart Diary is rated higher. Smart Diary averages 4.8 out of 5 from 42 ratings, while 4Studies averages 4.0 from 1 ratings.

### Do Smart Diary or 4Studies have ads?

4Studies shows ads; Smart Diary does not.

### Which is updated more often, Smart Diary or 4Studies?

Smart Diary ships an update every 2 months, and 4Studies every 2 days. Most recently, Smart Diary was updated on September 2, 2026 and 4Studies on September 16, 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.*