Milki vs PrepLibrary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Milki
This app helps you overcome procrastination by tracking your study and work sessions using the Pomodoro technique. Set custom daily targets for activities and visualize your progress with powerful charts to stay motivated and achieve your goals.
- Customizable daily targets
- Actual vs. Target progress charts
- Pomodoro technique focus timer
- Activity tracking and metrics
- Multi-device sync
- Status levels and leaderboards
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Study timer with custom targets that will end your procrastination forever! Pomodoro time tracking with targets is your answer to getting more done. How much does it suck pulling an all nighter because you left your study to the last minute. Or the disappointment of your side project losing momentum. With Milki, you can set variable daily targets for each activity and track against them over a defined period e.g. 2 weeks or 2 months. The Actual vs. Target (worm) chart is incredibly powerful at keeping you on track, you can visually track your performance over the period. No other focus timer app does this, so I had to create one that did haha. Milki also uses the Pomodoro productivity hack of 25 minute intervals. With the combination of the Pomodoro technique & Actual vs. Target tracking, you will be shocked at the improvement for your study, work or side projects. CUSTOM TARGETS • Set variable daily targets for each activity e.g. Study or Side Project. • Actual vs. Target chart, the ultimate way to stay on track. • See how you are tracking against your targets over the defined period. FOCUS TIMER • Perform focus timer intervals. • Utilizes the Pomodoro Technique. • Short & long breaks between sessions. SYNC MULTIPLE DEVICES • One account for all your devices. ACTIVITIES • Create activities like Study, Work, Side Project, Life Admin or Chem 101. • Quickly switch between activities. • Charts and metrics for each activity. CLEAN & BEAUTIFUL DESIGN • Incredible design & animations. • Miki is seriously cute. CHARTS • Actual vs. Target charts, track your performance over time. • Charts for each activity, quickly switch between tasks / activities. • Daily, weekly, monthly charts for each activity e.g. Physics 101. STATUS LEVELS • As you do more sessions, you will climb the status levels and unlock more features! • Status Levels including NOOB, BRONZE, SILVER, GOLD & PLATINUM. • Gain access to exclusive features and benefits at each status level increase. LEADERBOARD • Streak leaderboard. • Daily, weekly, monthly & lifetime leaderboards! FEATURE REQUESTS • Email me directly if you have feature requests, at hello@milki.app LANGUAGES • English • Turkish • French • German • Italian • Brazilian Portuguese • Malay SAY HI My name is Chris, I developed Milki & I’m from Brisbane, Australia. I’m actively building features for Milki! Let me know if you have feature requests or suggestions. I will reply to your email ridiculously fast (if I am awake, Australia time zone). Email: hello@milki.app MILKI PRO • Sync multiple devices. • Customize session time. • Customize alarm sounds. • Customize long breaks. • Combined weekly & monthly charts. Milki offers auto-renewing subscriptions: • $11.99 billed annually. The subscription will automatically renew unless it is canceled more than 24 hours in advance of the period. Your account will be charged the subscription price within 24 hours of the period ending. To manage your active subscriptions, go to App Store settings. You can only get the introductory price once. The price above is in USD, prices may vary between countries & with local exchange rates. To read our policies, go to: • Terms & Conditions: https://www.milki.app/terms • Privacy Policy: https://www.milki.app/privacy-policy
PrepLibrary
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PrepLibrary – Learn, Share & Grow PrepLibrary is your companion for smarter exam preparation. Organize your studies, attend live classes, practice mock tests, set personalized study goals, and stay focused on your academic journey—all in one learning platform. Whether you are preparing for competitive examinations, entrance tests, professional certifications, or academic assessments, PrepLibrary helps you plan your preparation, practice consistently, and track your progress. KEY FEATURES Virtual Classrooms Join live online classes and learning sessions from anywhere. Participate in structured learning experiences and stay connected with your classes and study activities. Interactive Test Series Practice with online tests and mock examinations to assess your preparation. Review your performance, identify areas for improvement, and work toward better results. Personalized Study Goals Set study goals based on your learning needs. Organize your preparation, plan your study activities, and track your progress toward your academic objectives. Focus Sessions Create dedicated study sessions using timers and productivity tools. Build consistent study habits and make the most of your planned study time. Focus Mode / Focus Shield Reduce distractions during your study sessions with Focus Mode, also known as Focus Shield. Select apps you want to avoid while studying and use focus restrictions to help you stay on track during an active session. Progress Tracking Keep track of your study activities, test performance, and learning progress. Understand your strengths, identify topics that need more attention, and plan your next steps. Community-Based Learning Connect with fellow learners through community features that encourage discussion, collaboration, peer interaction, and knowledge sharing. BUILT FOR YOUR LEARNING JOURNEY PrepLibrary brings together essential tools for a more organized and productive approach to learning: • Attend live classes and learning sessions. • Practice mock tests and assess your preparation. • Set personalized study goals. • Create focused study sessions. • Reduce distractions during study time. • Monitor your learning progress. • Connect and learn with a community of students. Whether you are attending a class, preparing for an examination, practicing a mock test, or working toward your daily study goals, PrepLibrary helps you make your study time more purposeful. PrepLibrary – Plan your preparation. Stay focused. Practice consistently. Track your progress.
Screenshots
Verdict
The clearest difference is in-app purchases: PrepLibrary at none against Milki's 3. PrepLibrary also leads on update cadence (every 4 days vs fortnightly). Milki's advantage is iOS requirement (15.0 vs 17.6). 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
Both are free to download. Milki sells 3 in-app purchases, starting at $11.99 per year. PrepLibrary asks for nothing beyond the download.
Milki ships an update fortnightly, PrepLibrary every 4 days. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.
| Parameter | Milki | PrepLibrary |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (107 ratings) — better | — |
| Positive reviews | 97.3% of reviews | — |
| Number of ratings | 107 — better | — |
| Update frequency | Fortnightly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 95 MB | 250 MB |
| Age rating | 4+ | 12+ |
| Developer | Christopher ODonnell | PREPLIBRARY LLP |
Bugs and requests
Milki
Reported bugs
2 issues- Occasional issues with timer counting
- Pomodoro history not updating correctly for some users
Requested features
5 requests- Add widgets for easier access
- Ability to adjust pomodoro and break times without paying
- More detailed statistics and analytics
- Ability to share progress with friends or classmates
- Integration with other productivity/study apps
PrepLibrary
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Milki
- Miki Pro Subscription1 Year trial$11.991 Year
- Miki Pro Subscription1 Year trial$29.991 Year
- Miki Pro Subscription1 Year trial$59.991 Year
PrepLibrary
No in-app purchases









