Comparison

Sudoku vs Study Bully

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

Head to head
About

Sudoku

Engage in a classic Sudoku experience with multiple difficulty levels suitable for all ages. Enjoy a clean interface, track your game history, and access unlimited solutions with a yearly subscription.

Highlights
  • Multiple difficulty levels
  • Beautiful and concise interface
  • Game history tracking
  • Unlimited Sudoku solutions
  • Ad-free experience
Features
Read full description

A new generation of classic Sudoku games: 1. A variety of difficulties, anyone from children to masters can play 2. Beautiful and concise 3. Allows you to see the history of your past Sudoku games SUBSCRIPTION PRICING AND TERMS This App offers an auto-renewing subscription to provide you with unlimited access to the sudoku solution . the price is $4.99/Year for unlocking all content and features. This price is for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Read more about our terms and conditions here: Terms of service: https://weibo.com/5580956204/I55tg3VVB Privacy policy: https://weibo.com/5580956204/HB9vBf59c Email: From2019219@gmail.com

About

Study Bully

This app helps students improve focus and motivation through interactive quizzes, progress tracking, and daily motivation. It supports various learning stages, from school age to career development, by encouraging discipline and consistent study habits.

Highlights
  • Interactive quizzes
  • Study session tracking
  • Progress monitoring
  • Daily motivation
  • Multiple learning paths
  • Community promotion
Features
Read full description

Study Bully – Turn Distractions Into Discipline Study Bully is a powerful productivity and accountability app designed to help students stay focused, motivated, and consistent with their goals. Whether you're in school, college, or preparing for your career, Study Bully helps you build stronger habits and improve your performance through quizzes, progress tracking, and daily motivation. Studying can be hard. Staying consistent is even harder. Study Bully helps you push past procrastination and stay committed to learning with tools designed to keep you engaged and accountable. Key Features Interactive Quizzes Test your knowledge and reinforce what you’ve learned with quizzes designed to challenge your understanding and strengthen retention. Stay Accountable Track your study sessions and progress so you can see how far you've come and stay motivated to keep improving. Multiple Learning Paths Study Bully supports different stages of life: • School Age students building strong academic habits • College students managing demanding coursework • Career-focused learners improving professional knowledge Motivation That Pushes You Forward Study Bully is designed to give you that extra push when you need it most. Turn studying into a challenge you can win every day. Progress Tracking Watch your improvement over time and stay focused on achieving your goals. Community Promotion Opportunities Students can promote their achievements and accomplishments within the Study Bully community. Whether you're preparing for your next exam, building better study habits, or working toward career success, Study Bully helps you stay disciplined and focused. Stop procrastinating. Start progressing. Download Study Bully today and take control of your success. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sudoku4 screens
Study Bully4 screens

Verdict

The call

The clearest difference is rating: Study Bully at 5.0 against Sudoku's 4.1. Study Bully also leads on monetization model (freemium vs subscription). Sudoku's advantage is ratings volume (4.3K vs 1). On price, update cadence, ads and in-app purchases 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. Sudoku sells 10 in-app purchases, starting at $2.99 per month and Study Bully sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Study Bully holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Sudoku has 4.3K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Sudoku ships an update monthly, Study Bully every 2 months. The most recent releases landed on October 22, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
Sudoku versus Study Bully: the parameters behind the verdict, then further details
ParameterSudokuStudy Bully
PriceFreeFree
Rating4.1 (4.3K ratings)5.0 (1 ratings) — better
Positive reviews46.5% of reviews—
Number of ratings4.3K — better1
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFreemium — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size16 MB36 MB
Age rating4+4+
DeveloperBeijing Free Calculator Technology Co., Ltd.Julius Hudson

Customer experience

Sudoku

All ratings4,149 ratings
Positive77.4%
Neutral5.9%
Negative16.7%
Written reviews963 reviews
Positive46.5%
Neutral12.5%
Negative41.0%

Study Bully

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Sudoku

Reported bugs

4 issues
  • Puzzles with no unique solution
  • Game resets when app is closed
  • Candidate numbers disappearing unexpectedly
  • Incorrect highlighting of mistakes

Requested features

5 requests
  • Ability to select and mark multiple cells
  • Option to view statistics and compare scores
  • More granular difficulty settings between easy and hard
  • Ability to save and resume an in-progress game
  • Explanations for advanced solving techniques

Study Bully

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Sudoku

Subscriptions2
  • Advanced features-1 month$2.991 Month
  • Advanced features-all year$12.991 Year
One-time8
  • 数独高级会员-月$1.99
  • 数独高级会员-年$9.99
  • Sudoku Monthly Membership$9.99
Show 5 more
  • Beginner Skill Course$9.99
  • Permanent Purchase$14.99
  • Sudoku Year Member$29.99
  • Sudoku Year Member$49.99
  • All Skill Courses$59.99
6 purchases

Study Bully

Subscriptions3
  • Study Bully Starter Plan$2.991 Month
  • Study Bully Pro Plan7 Days trial$5.991 Month
  • Study Bully Pro Annual Plan$59.991 Year
One-time3
  • 5 Bully Bucks$1.99
  • 20 Bully Bucks$6.99
  • 50 Bully Bucks$17.99

Questions

Is Sudoku free?
Sudoku is free to download, with in-app purchases available.
Is Study Bully free?
Study Bully is free to download, with in-app purchases available.
Which has better reviews, Sudoku or Study Bully?
Study Bully is rated higher. Sudoku averages 4.1 out of 5 from 4.3K ratings, while Study Bully averages 5.0 from 1 ratings.
Do Sudoku or Study Bully have ads?
Neither Sudoku nor Study Bully shows ads.
Which is updated more often, Sudoku or Study Bully?
Sudoku ships an update monthly, and Study Bully every 2 months. Most recently, Sudoku was updated on October 22, 2026 and Study Bully on October 1, 2026.

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