Comparison

Countdown vs Error Note

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

Head to head
About

Countdown

Visually track important dates and goals with customizable widgets for your Home Screen and Lock Screen. Set up countdowns and count-ups for personal milestones, habits, or deadlines. Sync across devices and receive timely notifications.

Highlights
  • Home Screen and Lock Screen widgets
  • Count up and down timers
  • Recurrent event tracking
  • Calendar and Reminders synchronization
  • Customizable designs and templates
  • iCloud synchronization
  • Notifications for key dates
Features
Read full description

Track time with beautiful countdown widgets on your Home Screen and Lock Screen. Get the results you want by adding beautiful ALWAYS ON motivational countdowns to the device you use every day. On your wrist? On your Mac? Pretty Progress works there, too. Our objective is to support you achieve your goals. We beautifully track your goals so you don’t have to. What better place to remind yourself of the things that matter than the devices you use every day? Your life goals, your health routines, your personal habits, when your newborn arrives, the deadline of your PhD or your mother’s birthday… No matter what your goal is. Pretty Progress gives you beautiful countdowns with widgets to customize and track them all: - Count up & down towards a specific date or with a timer - Create recurrent events and count the days periodically - Synchronize and import Apple Calendar events and Reminders - Show the percentage of completion, how much time is left or how much time has past (time since). In years, months, weeks, days... or a combination of them - Beautiful and unique designs. 6 different templates to customize and add to your Home Screen, Lock Screen, Stand By (iOS 17), and Watch complications - Customize colors, icons, layout, fonts, size... and every little aspect of the countdown at any time. Create your own personal Home Screen and Watch Face - A dashboard to visualize all the timers and day counters created and understand your deadlines, goals, achievements, or recurrent tasks - Notifications: 1 week and 1 day before, and at the end of your countdown, and every day, week, month or year after your habit streak - A library to get inspired and create widgets easily - 3 different sizes for the Home Screen widgets: small, medium, and large - All Lock Screen widgets localizations available - All complication sizes for Watch Faces supported - Dark mode support - iCloud synchronization. Sync your countdowns on your iPhone, iPad, Apple Watch, and Mac (Silicon) automatically - Family sharing enabled for the PRO purchase WHAT CAN YOU TRACK? - Health routines - Personal habits progress - Countdown to Christmas - Days until your mother's birthday - Countdown to your next holidays - Days until your project release deadline - Days left until your next trip - Percentage of your gym routine complete - Days left until your wedding anniversary - Days until retirement - Days until your financial independence - Percentage of the year, month, week... - Days left until your kombucha is fermented - How many days you have left on your vacations - Countdown to tax submission - Days until your new child arrives - Countdown to that important exam - Days until your graduation - Percentage of the academic year left - Days until Superbowl - My love countdown - Streak of days of habits - Daily, weekly and monthly tasks - Time until your new job WE WOULD LOVE YOUR FEEDBACK: We love to improve, so any feedback is always welcome! For any question, issue, suggestion or anything you want to say, contact at: hi@prettyprogress.app ======================= The free version of Pretty Progress includes four custom countdown widgets with two designs, the default daily, weekly, monthly and yearly progress and some customization options. If you purchase Pretty Progress PRO, the payment will be charged to your iTunes account. If you purchase a monthly or yearly subscription, your account will automatically be charged for renewal within 24 hours prior to the end of the current subscription period unless you disable auto-renew. You can turn off auto-renewal at any time by going to your Account Settings on the App Store after purchase. ======================= Terms of Service: https://prettyprogress.app/terms-of-service Privacy Policy: https://prettyprogress.app/privacy-policy

About

Error Note

Features
Read full description

Error Note — Study Smarter with Your Own Error Notebook Error Note is a simple but powerful tool designed to help students and exam-takers improve faster by reviewing past mistakes. Capture your wrong questions, organize them by subjects, and understand your weak points through clear statistics and structured review tools. Whether you are preparing for exams, learning new subjects, or trying to build better study habits, Error Note helps you focus on what truly matters: learning from your mistakes. Key Features 1. Add Mistakes Easily Record wrong questions using text, photos, or quick notes. Supports multiple subjects such as Mathematics, English, History, and more. 2. Organize by Subject and Topic Create your own subjects or chapters. Group mistakes logically and access them at any time. 3. Smart Review System Tag difficulty levels, set review reminders, and study using spaced repetition. Improve memory efficiently with guided practice. 4. Error Statistics and Weak Point Analysis See which subjects you struggle with the most. Track your progress over time and identify where to focus next. 5. Print Review Sheets Generate printable versions of selected questions, with or without answers. Ideal for exam preparation and offline study. Why Choose Error Note * Focus on mistakes that matter * Learn faster with targeted review * Build strong and consistent study habits * Track improvement clearly over time * Simple, fast, and distraction-free Error Note is a reliable companion for long-term learning and exam preparation. Study less, learn more, and make every mistake count.

Screenshots

Countdown4 screens
Error Note4 screens

Verdict

The call

The clearest difference is price: Countdown at Free against Error Note's $0.99. Error Note's advantage is in-app purchases (none vs 18). On ads, device support and iOS requirement 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

Countdown is free to download; Error Note costs $0.99 up front. Countdown sells 14 in-app purchases, starting at $1.99 per month. Error Note asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Countdown versus Error Note: the parameters behind the verdict, then further details
ParameterCountdownError Note
PriceFree — better$0.99
Rating4.7 (3K ratings) — better—
Positive reviews81.6% of reviews—
Number of ratings3K — better—
Update frequencyEvery 9 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size183 MB17 MB
Age rating4+4+
Developerkeinois OU建春 张

Bugs and requests

Countdown

Reported bugs

3 issues
  • App crashes on launch for some users
  • Widgets not updating in real-time as expected
  • Countdown data resetting unexpectedly

Requested features

5 requests
  • More customization options for widgets
  • Ability to track non-time-based progress
  • Improved recurring event management
  • Notification/alarm feature when countdown ends
  • Wider range of color and font options

Error Note

Not enough reviews yet to summarise bugs or requests.

In-app purchases

14 purchases

Countdown

Subscriptions10
  • Unlimited access7 Days trial$1.991 Month
  • Unlimited access7 Days trial$2.991 Month
  • Pretty Progress PRO (Weekly)$4.997 Days
Show 7 more
  • Pretty Progress PRO (Weekly)3 Days trial$4.997 Days
  • Pretty Progress PRO (Monthly)7 Days trial2 variants$4.991 Month
  • Unlimited access7 Days trial$5.991 Year
  • Unlimited access7 Days trial$8.991 Year
  • Pretty Progress Pro (Annual)7 Days trial3 variants$14.991 Year
  • Pretty Progress Pro (Annual)1 Year trial$24.991 Year
  • Pretty Progress Pro (Annual)$24.991 Year
One-time4
  • Pretty Progress PRO (Lifetime)$29.99
  • Pretty Progress PRO (Lifetime)$34.99
  • Pretty Progress PRO (Lifetime)2 variants$49.99
Show 1 more
  • Pretty Progress PRO (Lifetime)$59.99
None

Error Note

No in-app purchases

Questions

Is Countdown free?
Countdown is free to download, with in-app purchases available.
Is Error Note free?
Error Note costs $0.99, with no in-app purchases.
Do Countdown or Error Note have ads?
Neither Countdown nor Error Note shows ads.

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