Comparison

Day Counter vs OiSee

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

Head to head
About

Day Counter

Track days until or since any special moment with this simple and elegant app. It helps you manage personal goals, habits, and important life events with customizable counters and notifications.

Highlights
  • Count Up & Countdown Modes
  • Unlimited Counters
  • Widgets & Reminders
  • Custom Notifications
  • Clean & Minimal Design
  • Habit and Streak Tracker
Features
Read full description

Day Counter helps you count days since or until any special moment — past or future. From birthdays and holidays to sobriety milestones and habit streaks, it’s all here in one simple, elegant app. * Count Up & Countdown Modes – track days since or days until any event * Unlimited Counters – track everything from work deadlines to personal goals * Widgets & Reminders – stay on top of your time with ease * Clean & Minimal Design – distraction-free time tracking * Custom Notifications – never miss a milestone or memory again Day Counter is a free, customizable counting app with two powerful modes: count up and countdown. Track the days since or until any important event in your life. This user-friendly day tracker helps you stay on top of your schedule — from personal goals and habits to special events, meetings, and deadlines. Use it at work to stay organized and meet your deadlines, or in everyday life to remember school events, club meetings, vacations, birthdays, Halloween, Easter, or Christmas. Let this simple date calculator keep track of the time for you — so you never miss a moment that matters. WHY CHOOSE THIS DAY-COUNT APP? - Enjoy precise countdown and count up timers for any event - Create and manage an unlimited number of events with ease - Set personalized notifications and never miss an important moment - Review past events by week, month, or year - Stay focused on long-term goals and personal milestones - Build better habits and track your daily progress POSSIBLE COUNTDOWN TIMERS: - Christmas & New Year Countdown - Birthday reminders - Wedding event countdown - Time till Halloween - Days until your exam - Time till holidays or vacation POSSIBLE COUNT UP TIMERS: - Sober day counter - Days together tracker - Stop smoking count up - Habit and streak tracker PRODUCTIVITY APP Your personal productivity assistant helps you take control of time. Whether you’re preparing for an exam at school or meeting a deadline at work, this date calculator keeps you on track. Simply plan your week or month and set countdowns in the app. You’ll stay organized, hit your goals, and even free up time for yourself. EVENT COUNTDOWN Day Counter offers two flexible counting modes: countdown and count up. The countdown timer is perfect for anyone who wants to know exactly how much time is left until a big event. Count down days, hours, minutes, and even seconds to the most important moments in your life. From work deadlines to personal milestones, everything is easier to track with this intuitive date calculator. BIRTHDAY COUNTDOWN What’s more joyful than a birthday — and what’s worse than forgetting one? Never miss a birthday again. With Day Counter, you can create a countdown for each friend or family member and get reminders right on time. Name the counter, set the date, and you’re always ready to celebrate. DAILY HABIT TRACKER Healthy habits are the foundation of a happy life. Whether you’ve started yoga in the mornings, run every evening, quit smoking, read every day, or limited social media use — you should celebrate your progress! Just create a counter in Day Counter and track the time since your habit began. SOBER DAY COUNTER Whether you’re seriously committed to quitting drinking or just trying it out for fun, Day Counter helps you stay on track. Create a count-up timer and name it however you like to track the days since your last drink. It’s a minimalist, no-pressure way to celebrate every day of progress. STREAK DAY COUNTER Running streak? Reading streak? Gaming detox? Social media off challenge? It all counts! With this simple date calculator, tracking your streaks is easy — just two steps: create a counter and save it. The app tracks the days for you, so you can focus on staying consistent whenever it works best for you. __ Terms & Conditions — https://www.websitepolicies.com/policies/view/Ln3eZSeM Privacy Policy — https://www.websitepolicies.com/policies/view/JIWaJQ55

About

OiSee

Read full description

This APP is connected to the dental mirror device through Wifi, and can display the real-time picture of the lens on the mobile device, which can help to clearly check the degree of tooth cleaning.

Screenshots

Day Counter4 screens
OiSee4 screens

Verdict

The call

The clearest difference is in-app purchases: OiSee at none against Day Counter's 13. OiSee also leads on iOS requirement (9.0 vs 15.6). Day Counter's advantage is update cadence (every 6 weeks vs every 5 months). On price, ads 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. Day Counter sells 13 one-off in-app purchases. OiSee asks for nothing beyond the download.

UpkeepUpdate frequency

Day Counter ships an update every 6 weeks, OiSee every 5 months. The most recent releases landed on September 25, 2026 and December 6, 2025 respectively.

Scorecard3 real differences · 7 level
Day Counter versus OiSee: the parameters behind the verdict, then further details
ParameterDay CounterOiSee
PriceFreeFree
Rating4.7 (447 ratings) — better—
Positive reviews90.2% of reviews—
Number of ratings447 — better—
Update frequencyEvery 6 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.69.0 — better
Further details — not scored
Size72 MB16 MB
Age rating4+4+
DeveloperBitsensGuangzhou T.K Medical Instrument Co., Ltd.

Bugs and requests

Day Counter

Reported bugs

2 issues
  • Inconsistent date/time display
  • Occasional sync issues between devices

Requested features

4 requests
  • Add time-based tracking (hours, minutes, seconds)
  • Provide more customization options
  • Improve widget functionality
  • Introduce a dark mode option

OiSee

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

Day Counter

One-time13
  • Remove Ads$2.99
  • Custom Colors$2.99
  • Notes$3.49
Show 10 more
  • Dark Mode$4.49
  • All In One. 75% OFF$4.99
  • Widget$5.99
  • All In One. 50% OFF$9.99
  • All In One. 60% OFF$9.99
  • Unlimited counters$10.99
  • All In One. 50% OFF$11.99
  • All In One. 30% OFF$15.99
  • All In One$19.99
  • All In One$24.99
None

OiSee

No in-app purchases

Questions

Is Day Counter free?
Day Counter is free to download, with in-app purchases available.
Is OiSee free?
OiSee is free to download, with no in-app purchases.
Do Day Counter or OiSee have ads?
Neither Day Counter nor OiSee shows ads.
Which is updated more often, Day Counter or OiSee?
Day Counter ships an update every 6 weeks, and OiSee every 5 months. Most recently, Day Counter was updated on September 25, 2026 and OiSee on December 6, 2025.

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