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

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

Make every study session count. Todak Time is a focus timer that tracks your study time, subject by subject. No ads. No rankings. No comparisons. Just you and your studies. ■ Features · Track study time by subject with customizable goals · Get a Goal Reminder at the time you choose · App blocking (choose allowed apps) · Planner (checklist + notes) · Check and control your timer right from the Lock Screen · Visualize your progress with weekly charts and monthly heatmaps · Stay on track with exam countdowns · See today's study time and D-day on a Home Screen widget · Seamless iCloud sync across all your devices Quietly cheering you on, one session at a time. 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 5 days against Stackd's fortnightly. 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. 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.

UpkeepUpdate frequency

Stackd ships an update fortnightly, Todak Time every 5 days. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.

Scorecard1 real difference · 8 level
Stackd versus Todak Time: the parameters behind the verdict, then further details
ParameterStackdTodak Time
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS1817.0 — better
Further details — not scored
Size3 MB8 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.
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 5 days. Most recently, Stackd was updated on September 14, 2026 and Todak Time on September 17, 2026.

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