Comparison

TodoKnock vs Hour Mark

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

Head to head
About

TodoKnock

Features
Read full description

■ What is TodoKnock? A count-focused progress tracker that visualizes "How many left?" for any goal. Set your target number, then tap each time you complete one. You'll always know exactly how close you are to finishing. ■ Perfect For - Reading 100 pages of a textbook - Watching 30 tutorial videos - Memorizing 50 vocabulary words daily - Doing 30 push-ups - Drawing 20 practice sketches If it has a number, you can track it. ■ Features That Keep You Going 【Progress Gauge】 Each tap updates your progress, showing your completion rate as a clear percentage. Celebrate with special effects when you hit 100%. 【Levels & XP】 Earn experience points with every entry. Level up and stay motivated to keep going. 【Daily Report】 Open the app the next day to see a summary of yesterday's achievements. 【Stats & History】 View your total level and completed tasks. See your cumulative effort at a glance. 【Cloud Sync】 Create an account to safely store your data. Transfer easily when switching devices. ■ Pricing Core features are free. An ad-free option (one-time purchase) is also available. Start visualizing "How many left?" and achieve your goals today!

About

Hour Mark

Features
Read full description

Hour Mark sends you a gentle reminder every hour (or at your chosen interval). You tap, log what you just did, and move on. In seconds. Hour asks you. You answer. That's it. HOW IT WORKS • Get a notification every 30, 60, or 120 minutes • Tap to log what you were doing — takes under 10 seconds • See your full day visualized as a color-coded timeline • Split any time slot to log multiple activities YOUR TIME, YOUR ACTIVITIES Start with presets like Work, Study, Gym, and Sleep — or create your own. Each log is a tap on an activity button. Need to split an hour between a meeting and email? Drag the slider to divide it exactly. SEE YOUR PATTERNS Your daily timeline fills in as you go. At a glance, you'll know how much time went to deep work, how many hours you scrolled your phone, and where the day actually went. PREMIUM Unlock the full picture with Hour Mark Premium: • Unlimited history (free tier: 4 days) • Weekly and monthly analytics views • CSV export for your own analysis • Unlimited custom activities (free tier: 8) • Local backup to keep your data safe DESIGNED TO STAY OUT OF YOUR WAY No complicated setup. No manual timers. No guilt. Just a quick tap every hour that builds an honest record of how you spend your time. Privacy first: all data is stored locally on your device. Local backup available for Premium users. Terms of Use: https://hour-mark-landing.vercel.app/terms

Screenshots

TodoKnock4 screens
Hour Mark4 screens

Verdict

The call

The clearest difference is iOS requirement: Hour Mark at 13.0 against TodoKnock's 16.6. 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. TodoKnock sells 1 one-off in-app purchase and Hour Mark sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 5 level
TodoKnock versus Hour Mark: the parameters behind the verdict, then further details
ParameterTodoKnockHour Mark
PriceFreeFree
Update frequencyEvery 6 days—
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size56 MB47 MB
Age rating4+4+
DeveloperYuichi SasakiKwangho Kim

In-app purchases

1 purchases

TodoKnock

One-time1
  • Remove Ads$1.99
2 purchases

Hour Mark

Subscriptions2
  • Premium Montly$1.991 Month
  • Premium Yearly$9.991 Year

Questions

Is TodoKnock free?
TodoKnock is free to download, with in-app purchases available.
Is Hour Mark free?
Hour Mark is free to download, with in-app purchases available.
Do TodoKnock or Hour Mark have ads?
Neither TodoKnock nor Hour Mark shows ads.

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