Comparison

AchvLog|Visualize Calendar 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

AchvLog|Visualize Calendar

This app helps you visualize your daily progress towards goals with a simple, accomplishment-focused design. Track your habits, view monthly and yearly achievements, and stay motivated with a clear overview of your efforts.

Highlights
  • Single-tap daily "done" recording
  • Monthly/yearly accomplishment calendar
  • Achievement percentage tracking
  • Multiple goal creation
  • Summary calendar for combined goals
  • Summary Calendar widget
Features
Read full description

This application visualizes your daily "done" in the simplest design. This app gives you a sense of accomplishment at a glance and promotes motivation and continuity. If you find it frustrating to poke a hole in your blue-tinted annual calendar, your habit is as good as succeeded! ### App Features Record your daily "done" with a single tap. Look back at your record of accomplishments with the monthly/yearly calendar. You can also check the percentage of achievement for each month/year. You can create multiple goals. You can create multiple goals. You can also use the "Summery Calendar" to combine multiple goals into a single annual calendar. Widget function of Summery Calendar. ### Recommended for people who want to People who want to visualize their efforts and continuity People who want to manage their habits to become their ideal self People who want to make a habit in order to have self-confidence Want to make a habit to have confidence in myself. Want to feel a sense of accomplishment. Want to raise my self-esteem. Want to maintain my motivation. Want to work hard every day to build up my habits. Want to keep motivated Want to check the status of my efforts easily. Want to keep my self-motivation. Want to clarify my daily tasks and to-do list. Want an application with a simple design. ### For these kinds of goal management Diet, fitness, health care, exercise, training, muscle training, workout, HIIT, abs, butt training, leg slimming, walking, jogging, running, walking Dietary restriction, fasting, fasting, carbohydrate restriction, vegetable inoculation, water intake, weight record, body shape record Flexibility, stretching, massage, skin care, moisturizing, supplement inoculation Hair care, nail care, fashion, makeup, cosmetics Work, qualifications, reading, studying, homework, assignments, tests, preparation, review, exams, English vocabulary, memorization, practice, club activities Gathering information, going to bed early, getting up early, correcting posture, saving money, job hunting, diary, hobbies, musical instruments Housework, cooking, tidying up, decluttering, cleaning, laundry, quitting drinking, smoking, meditation, mindfulness, brushing teeth, showering, bathing, stabilizing daily rhythm ### Last but not least We would be honored if this app could contribute to your goal continuation and habit formation. We are also looking forward to hearing from our users to make the app experience even better. We will definitely take a look at the feedback we receive. Thank you in advance. Developer X Account: @ry__ios

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

AchvLog|Visualize Calendar4 screens
Grind Timer4 screens

Verdict

The call

The clearest difference is ads: Grind Timer at none against AchvLog|Visualize Calendar's shown. Grind Timer also leads on update cadence (every 5 days vs every 11 days) and iOS requirement (12.0 vs 16.0). On price, 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. AchvLog|Visualize Calendar 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

AchvLog|Visualize Calendar ships an update every 11 days, Grind Timer every 5 days. The most recent releases landed on October 4, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 7 level
AchvLog|Visualize Calendar versus Grind Timer: the parameters behind the verdict, then further details
ParameterAchvLog|Visualize CalendarGrind Timer
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 11 daysEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.012.0 — better
Further details — not scored
Size6 MB110 MB
Age rating4+4+
Developerryuji fukudaYuuki Nagata

In-app purchases

1 purchases

AchvLog|Visualize Calendar

One-time1
  • RemoveAds$0.99
1 purchases

Grind Timer

Subscriptions1
  • Premium Plan$4.991 Month

Questions

Is AchvLog|Visualize Calendar free?
AchvLog|Visualize Calendar 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 AchvLog|Visualize Calendar or Grind Timer have ads?
AchvLog|Visualize Calendar shows ads; Grind Timer does not.
Which is updated more often, AchvLog|Visualize Calendar or Grind Timer?
AchvLog|Visualize Calendar ships an update every 11 days, and Grind Timer every 5 days. Most recently, AchvLog|Visualize Calendar was updated on October 4, 2026 and Grind Timer on September 27, 2026.

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