Comparison

Stackd vs Todak Time

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

Head to head
About

Stackd

Features
Read full description

This is a simple study timer app that allows you to record and manage your study time by subject. Simply measure your time with the timer and save it. You can also log sessions manually or add entries for past dates. You can record everything together, including subjects, study materials, pages, and notes. You can view the big picture of your studies by checking your subject balance with weekly graphs and reviewing your progress streaks on the calendar. No ads, no social media features, and no account registration required. All data is saved on your device, so there are no privacy concerns. Perfect for anyone who wants to focus on learning, from exam preparation to certifications and language studies. [Main Features] - 3 timer modes (Stopwatch, Countdown, Pomodoro) - Management of subjects, materials, pages, and notes - Weekly graphs to check subject balance (bar chart & donut chart) - Calendar to visualize study days with color-coding - Display of consecutive study days (streaks) - Daily study reminder - Backup and data export functions [Stackd Pro (One-time purchase)] - Monthly graphs and cumulative line graphs - Setting weekly goals and checking achievement rates - 9 color themes - Home screen and lock screen widgets - Real-time timer display on the Lock Screen

About

Todak Time

This app helps you focus on your studies by tracking your time spent on each subject. It offers features like customizable goals, app blocking, and progress visualization to keep you on track. Plan your study sessions and monitor your progress with ease.

Highlights
  • Track study time by subject
  • Customizable goals and reminders
  • App blocking
  • Study planner with notes
  • Lock screen controls
  • Progress visualization (charts, heatmaps)
  • Exam countdowns
  • Home screen widget
Features
Read full description

Track your study time. Plan your next session. Get ready for your exams. Todak Time brings a study timer, daily planner, and exam countdown together in one quiet space. From homework to finals and entrance exams, focus on your own progress without ads, leaderboards, or competition with other students. • Record the time you spend studying Choose a subject and start the timer. Pause when you need a break and set a study time goal for each subject. • Make a plan for each day Add tasks and notes, check off what you finish, and look ahead with weekly and monthly calendar views. • Keep distractions out of your study sessions Choose the apps you need and block the rest while the timer is running. App blocking requires Screen Time permission. • See your study habits take shape Weekly charts and a monthly heatmap show when you studied and how you spent your time. • Keep your exam dates in view Add an exam date to see how many days are left. Turn break reminders, exam countdown reminders, and daily goal reminders on or off separately. • Check your time at a glance See the timer on your Lock Screen. Tap its controls to open the app and pause, resume, or end your session. Add a Home Screen widget for today's study time and your exam countdown. • Use your iPhone and iPad together Enable iCloud sync to keep your study records and plans up to date on both devices. [Todak Pro] A one-time purchase unlocks study reports, yearly statistics, CSV export, and unlimited subjects. Todak is cheering you on as you study today. Feedback & support: ninemomo.public@gmail.com

Screenshots

Stackd4 screens
Todak Time4 screens

Verdict

The call

The clearest difference is update cadence: Todak Time at every 6 days against Stackd's fortnightly. On price, rating, ratings volume and ads 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. Stackd sells 1 one-off in-app purchase and Todak Time sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Stackd against 5.0 for Todak Time. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Stackd ships an update fortnightly, Todak Time every 6 days. Both last shipped on October 24, 2026.

Scorecard1 real difference · 8 level
Stackd versus Todak Time: the parameters behind the verdict, then further details
ParameterStackdTodak Time
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyFortnightlyEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS1817.0 — better
Further details — not scored
Size3 MB10 MB
Age rating4+4+
DeveloperNene NakagawaHyeon mo Gu

In-app purchases

1 purchases

Stackd

One-time1
  • Stackd Pro$1.99
1 purchases

Todak Time

One-time1
  • Todak Time Pro$2.99

Questions

Is Stackd free?
Stackd is free to download, with in-app purchases available.
Is Todak Time free?
Todak Time is free to download, with in-app purchases available.
Which has better reviews, Stackd or Todak Time?
Stackd and Todak Time are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Stackd or Todak Time have ads?
Neither Stackd nor Todak Time shows ads.
Which is updated more often, Stackd or Todak Time?
Stackd ships an update fortnightly, and Todak Time every 6 days. Most recently, Stackd was updated on October 24, 2026 and Todak Time on October 24, 2026.

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