Comparison

Project Timer ~ Count works vs Grind Timer

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

Head to head
About

Project Timer ~ Count works

Understand how you spend your time by tracking activities like studying, developing, or exercising. Accumulate time across projects and review your progress to see how you're doing compared to previous periods.

Highlights
  • Project-based timer tracking
  • Start and stop timer functionality
  • App can be closed while timer runs
  • Review work progress over time
  • Create custom projects
  • Track time for various activities
Features
Read full description

This timer app let you understand what you spend time! For example, you can measure time for "Study Japanese", "Developing mobile app" and "Exercise" and more! Let's accumulate time and feel good! ■■■ Timer function ■■■ This is the main function of this app. Please select projects and start the timer! Now, it's time to focus on your work! Don't forget to push Stop button after you finish it... You can close the app while you are working, the app record the time anyway! ■■■ Review your work ■■■ "How long do I study Japanese this month?", "Am I doing well comparing last week?" You can answer these questions from this review screens. You can create your project as you want. Create new project!

About

Grind Timer

Features
Read full description

GrindTimer is more than a habit tracker — it's a focus timer designed to help you turn your time into skills. Whether you're working on a side hustle, studying for a certification, or building creative output, GrindTimer makes your effort visible. Set a monthly time goal, and the app automatically calculates how much you need to do each day. Every session you clock in brings you closer to your goal — no guesswork, just real progress. AI gives you written feedback on your performance, helping you reflect and stay motivated. And with a visual calendar and ranking system, you can see how far you've come — and who's on the journey with you. Features Set monthly or daily time goals — daily targets are auto-calculated Record activity with a built-in timer using Clock In / Clock Out buttons Review your activity on a color-coded calendar Get AI-generated written feedback on your effort (Premium) Compare progress with others via the Ranking system (Premium) Manage multiple goals across categories like Study, Work, or Hobby Focus without ads (optional Premium upgrade) Final CTA Don’t just build habits — build your future. Turn your time into skills with GrindTimer. Start today. Terms of Servise : https://skillful-filament-bce.notion.site/Terms-of-Service-21057a3f131b80f893bdddd96226725d?source=copy_link #habittracker #timemanagement #sidehustle #study #ai #productivity #ranking

Screenshots

Project Timer ~ Count works4 screens
Grind Timer4 screens

Verdict

The call

The clearest difference is ads: Grind Timer at none against Project Timer ~ Count works's shown. Grind Timer also leads on iOS requirement (12.0 vs 14.0). On price, update cadence, 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. Project Timer ~ Count works sells 1 one-off in-app purchase and Grind Timer sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Project Timer ~ Count works ships an update every 10 days, Grind Timer every 5 days. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

Scorecard2 real differences · 8 level
Project Timer ~ Count works versus Grind Timer: the parameters behind the verdict, then further details
ParameterProject Timer ~ Count worksGrind Timer
PriceFreeFree
Rating4.8 (77 ratings) — better—
Positive reviews86.7% of reviews—
Number of ratings77 — better—
Update frequencyEvery 10 daysEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size39 MB110 MB
Age rating4+4+
DeveloperKazuya KobayashiYuuki Nagata

In-app purchases

1 purchases

Project Timer ~ Count works

One-time1
  • Disable Ads$4.99
1 purchases

Grind Timer

Subscriptions1
  • Premium Plan$4.991 Month

Questions

Is Project Timer ~ Count works free?
Project Timer ~ Count works is free to download, with in-app purchases available.
Is Grind Timer free?
Grind Timer is free to download, with in-app purchases available.
Do Project Timer ~ Count works or Grind Timer have ads?
Project Timer ~ Count works shows ads; Grind Timer does not.
Which is updated more often, Project Timer ~ Count works or Grind Timer?
Project Timer ~ Count works ships an update every 10 days, and Grind Timer every 5 days. Most recently, Project Timer ~ Count works was updated on October 7, 2026 and Grind Timer on September 27, 2026.

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