Stackd vs Todak Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stackd
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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
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.
- 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
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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
Verdict
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
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.
Stackd ships an update fortnightly, Todak Time every 5 days. The most recent releases landed on September 14, 2026 and September 17, 2026 respectively.
| Parameter | Stackd | Todak Time |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18 | 17.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Nene Nakagawa | Hyeon mo Gu |
In-app purchases
Stackd
- Stackd Pro$1.99
Todak Time
- Todak Time Pro$2.99









