Comparison

Exam Countdown vs CS Master

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

Head to head
About

Exam Countdown

This app helps students, teachers, and schools keep track of important dates. It provides countdown timers for exams, tests, and coursework deadlines, with options for reminders and sharing progress with others. Users can organize their academic schedule and stay on top of their responsibilities.

Highlights
  • Countdown timers for exams and tests
  • Unlimited exam countdowns
  • Color-coded exams
  • Icon customization
  • Share countdowns with others
  • Add notes to exams
  • Basic and detailed notifications
Features
Read full description

Exam Countdown is the beautifully simple countdown, planner and widget app for every exam that matters. Counting down since 2015, rated 4.7 stars from over 30,000 ratings. The original exam countdown app, used by students, teachers and schools in over 100 countries. Count down to the ones that count: matric prelims, trials and NSC finals, GCSE and A Level papers, IB, SQA Highers, university finals, coursework and homework deadlines, driving theory, music grades and every test in between. CALENDAR VIEW See your whole semester on a month grid, color coded, with every exam a tap away. LIVE COUNTDOWN WIDGETS A Home Screen widget that ticks every second, plus Next Exam, Next 4 Exams and Lock Screen widgets. LIVE ON YOUR LOCK SCREEN Live Activities put your next exam on the Lock Screen and in the Dynamic Island as it approaches. MAKE IT YOURS Hundreds of icons, every color, categories to group your subjects, and notes on any exam. Free version: • Unlimited exam countdowns, all in one place • Count down in years, months, weeks, days, hours, minutes and seconds • Color code your exams • Choose from 400 icons • Add notes to any exam • Invite friends and family to count down with you • Notifications before every exam Premium version: • Ad free • The full widget collection, including the second by second Live Countdown • Live Activities on your Lock Screen and Dynamic Island • Calendar View • Categories to group your subjects • Detailed alerts, with your choice of alert sound • Record and review your exam results • Sync across all your Apple devices • All 400 color icons and 70 colors Exam Countdown is free to download and use. Premium is available as a yearly subscription or as a one off lifetime purchase. Terms of Use - https://www.root38.com/terms-and-conditions/ Privacy Policy - https://www.root38.com/privacy-policy/

About

CS Master

Features
Read full description

CS Master is your daily training app for core computer science fundamentals. Practice interview-style questions on algorithms, Big O, JavaScript, React, Next.js, CSS, React Native, SEO, and more, all in short, focused sessions you can complete in minutes. Questions include real-world scenarios, code snippets, multiple choice, and written answers. No fluff. Just practical knowledge that makes you a stronger engineer. Track your progress, identify weak areas, and improve consistently over time. Whether you're preparing for interviews or just staying sharp, CS Master helps you level up every day. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://latebytelabs.com/good-shot/privacy-policy

Screenshots

Exam Countdown4 screens
CS Master3 screens

Verdict

The call

The clearest difference is ads: CS Master at none against Exam Countdown's shown. 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. Exam Countdown sells 5 in-app purchases, starting at $2.99 per 3 months and CS Master sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Exam Countdown ships an update every 5 weeks, CS Master every 6 weeks. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
Exam Countdown versus CS Master: the parameters behind the verdict, then further details
ParameterExam CountdownCS Master
PriceFreeFree
Rating4.7 (1.7K ratings) — better—
Positive reviews82.2% of reviews—
Number of ratings1.7K — better—
Update frequencyEvery 5 weeks — betterEvery 6 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size102 MB49 MB
Age rating4+4+
DeveloperROOT38 LIMITEDDominic Black

Bugs and requests

Exam Countdown

Reported bugs

4 issues
  • Login issues after device change
  • Subscription not working as expected
  • Loading screen freezes
  • Incompatibility with newer devices

Requested features

5 requests
  • Calendar view
  • Sync with device calendar
  • Customizable exam reminders
  • Widget support
  • More icons and color options

CS Master

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Exam Countdown

Subscriptions4
  • Premium 3 Months$2.993 Months
  • Premium Yearly7 Days trial$4.991 Year
  • Premium Access1 Year trial$4.991 Year
Show 1 more
  • Premium Yearly Subscription$5.491 Year
One-time1
  • Lifetime Premium$9.99
2 purchases

CS Master

Subscriptions2
  • CS Master Monthly$2.991 Month
  • CS Master Yearly$24.991 Year

Questions

Is Exam Countdown free?
Exam Countdown is free to download, with in-app purchases available.
Is CS Master free?
CS Master is free to download, with in-app purchases available.
Do Exam Countdown or CS Master have ads?
Exam Countdown shows ads; CS Master does not.
Which is updated more often, Exam Countdown or CS Master?
Exam Countdown ships an update every 5 weeks, and CS Master every 6 weeks. Most recently, Exam Countdown was updated on November 1, 2026 and CS Master on October 25, 2026.

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