# Diary vs Study Timer

The clearest difference is update cadence: Diary at every 8 days against Study Timer's every 3 weeks. Diary also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Diary sells 3 in-app purchases, starting at $0.49 per 7 days and Study Timer sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Diary ships an update every 8 days, Study Timer every 3 weeks. The most recent releases landed on September 11, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Diary | Study Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (15 ratings)](https://appshunter.io/ios/app/diary-homework-management/id1415668858/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 119 MB | 19 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [William Taylor](https://appshunter.io/developer/1066424218) | [Ming Rong Ng](https://appshunter.io/developer/1613121108) |

## What reviewers say

### Diary

[App page](https://appshunter.io/ios/app/diary-homework-management/id1415668858)

This app helps students manage their homework by scheduling tasks, setting reminders, and tracking time spent on assignments. It offers automatic subject detection and the ability to add subtasks and images for better organization.

**Highlights:** Automatic task scheduling, Smart reminders, Subject detection, Subtask management, Image attachments, Homework statistics

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Homework Pass | $0.49 | per 7 days |
| Homework Pass | $1.49 | per month |
| Homework Pass | $15.99 | per year |


### Study Timer

[App page](https://appshunter.io/ios/app/study-timer-haenaegi/id6756748581)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $9.99 | per year |


## Frequently asked questions

### Is Diary free?

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

### Is Study Timer free?

Study Timer is free to download, with in-app purchases available.

### Do Diary or Study Timer have ads?

Neither Diary nor Study Timer shows ads.

### Which is updated more often, Diary or Study Timer?

Diary ships an update every 8 days, and Study Timer every 3 weeks. Most recently, Diary was updated on September 11, 2026 and Study Timer on September 24, 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.*