Comparison

Diary vs Study Timer

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

Head to head
About

Diary

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
Read full description

Diary is the smart way to manage your homework. Each day Diary schedules tasks you should do and how much time you should spend on them, making it the easiest and simplest homework management app. You can also add tasks from your computer. Adding assignments has never been easier with Diary's automatic subject detection and automatic reminders. You can also add subtasks to manage big assignments as well as add images. Diary records statistics about your homework, allowing you to see what subject is giving you the most homework, how much time you are spending on tasks, and which subject you are spending the most time on. Never forget homework again - download Diary now! You can subscribe to the Homework Pass to unlock advanced features and remove ads. You can subscribe on a weekly, monthly or yearly plan. Subscriptions will automatically renew with the same amount initially paid unless canceled within 24-hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can cancel anytime with your iTunes account settings. Any unused portion of a free trial will be forfeited if you purchase a subscription. Payment will be charged to your iTunes Account at confirmation of the purchase. Subscriptions are managed by you and auto-renewal may be turned off by going to your Account Settings after purchase. You can find our Terms and Conditions here: https://diaryhomework.app/termsandconditions.html

About

Study Timer

Features
Read full description

Build better study habits with smart focus tools. Create custom Pomodoro and interval timers, block distractions. Haenaegi is a modern study timer designed to help you stay focused, build better study habits, and make progress every day. Whether you’re preparing for exams, managing screen time, or building deep concentration, Haenaegi gives you the tools you need to study smarter. Study Better with Smart Focus Create your own interval timer using proven methods like Pomodoro: focus timer — for example, 50 minutes of focus followed by 10 minutes of rest — and let Haenaegi repeat your cycle automatically. It’s perfect for students, creators, and anyone who wants real results from their study sessions. Stay in control with: • Focus timer & pomodoro timer • Custom study cycles with auto-repeat • Study tracker to monitor progress • Simple cronometro / crono style timing for clarity Stay Focused, Distraction-Free Haenaegi helps you take control of your screen time with built-in screen time control and app blocking tools. Protect your focus, boost concentration, and build positive study momentum. • Deep work & positive focus • Students using studygram & studytok • Learners managing inflow adhd • Anyone who wants a powerful focus app Your Best Study Buddy Haenaegi keeps you motivated with gentle encouragement, reminders, and a friendly character that cheers you on. Stay consistent, enjoy the process, and turn studying into something you actually look forward to. Reward your focus by unlocking cute outfits and personalizing your study experience — because productivity should feel good. Study Anywhere, Anytime Sync your sessions across devices and continue your focus from iPhone to Apple Watch. Whether you’re at your desk, on the move, or studying with friends, Haenaegi stays with you — your personal study buddy and focus traveller. Designed for Real Progress Haenaegi combines the best of tools like toggl, toggle, toggl track, toggle track, timely, clockify, my time, and mastery — but built specifically for studying. If you’re looking for: • A powerful pomodoro focus timer • A reliable free timer • A safe timer for kids • A flexible study focus & focus portal • Better concentration and long-term consistency Haenaegi is your new home for focus. Stay Focused, Distraction-Free Haenaegi helps you take control of your screen time with built-in screen time control and app blocking tools. Protect your focus, boost concentration, and build positive study momentum. ~ Build better habits. ~ Stay focused. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Diary4 screens
Study Timer4 screens

Verdict

The call

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.

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. 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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Diary versus Study Timer: the parameters behind the verdict, then further details
ParameterDiaryStudy Timer
PriceFreeFree
Rating3.9 (15 ratings) — better—
Positive reviews76.9% of reviews—
Number of ratings15 — better—
Update frequencyEvery 8 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS13.0 — better17.0
Further details — not scored
Size119 MB19 MB
Age rating4+4+
DeveloperWilliam TaylorMing Rong Ng

In-app purchases

3 purchases

Diary

Subscriptions3
  • Homework Pass7 Days trial$0.497 Days
  • Homework Pass$1.491 Month
  • Homework Pass$15.991 Year
2 purchases

Study Timer

Subscriptions2
  • Monthly Plan$1.991 Month
  • Yearly Plan$9.991 Year

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.

Other comparisons