Comparison

Vaia vs Study Time With Rain

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

Head to head
About

Vaia

Transform lecture slides, PDFs, and notes into a personalized study path. Utilize AI to generate flashcards, summaries, and receive explanations for complex topics. Practice for homework and exams with interactive quizzes and spaced repetition.

Highlights
  • AI-generated flashcards and summaries
  • Personalized study paths
  • Homework help and explanations
  • Spaced repetition for memorization
  • Practice quizzes and exams
  • Study material sharing
  • Create study podcasts
Features
Read full description

Your notes can do more than sit in a folder. Turn lecture slides, PDFs, and class notes into a personal study path with Vaia. Use AI to create flashcards and summaries, get help understanding tricky topics, and practice what you need for homework, midterms, and finals. YOUR MATERIALS, MADE FOR LEARNING A stack of slides and no idea where to start? Upload your materials and build a study guide around your own course. • Break down your material with explanations and summaries • Generate AI flashcards to practice key ideas • Follow a learning path with chapters, lessons, and questions Go from collecting notes to actually working through them. HOMEWORK HELP THAT BUILDS UNDERSTANDING Stuck on a topic while doing homework? Ask Vaia's AI assistant questions about your study materials and get explanations to help you move forward. Use the homework scanner to capture a problem as input. Then put your understanding to work with flashcards and practice questions. Get help with today's material and build knowledge you can use on your next test. FLASHCARDS THAT FIT YOUR COURSE Generate flashcards from your notes, create your own cards, or explore sets shared by other students. Practice definitions, formulas, and vocabulary by recalling the answer before you flip the card. Use spaced repetition to revisit material over time. Fit in a few cards between classes or settle into a longer study session. A STUDY PLANNER WITH A CLEAR NEXT STEP Your course becomes a structured learning path. Work through chapters, read explanations, and practice with interactive questions. See your progress and pick up where you left off. From biology to economics, keep your study materials and your next lesson together in one place. FIND THE GAPS BEFORE EXAM DAY That topic looked familiar. Could you explain it without your notes? Find out with quizzes, exercises, and practice tests. • Check your understanding with multiple-choice and fill-in-the-blank questions • Try practice exam mode and review your results afterward • Revisit the topics that need more work before your midterm or final GIVE YOUR NOTES A VOICE Create study podcasts from your materials and listen on the go. Review a topic on your commute or switch things up when you need a break from reading. SHARE THE WORK. KEEP LEARNING. Explore shared flashcards, study notes, and summaries to complement your own materials. Share your sets with classmates and bring useful resources together for your course. From high school homework to college finals, Vaia helps you turn your materials into something you can learn from. Download Vaia, upload your first notes, and start your first chapter. Terms of Use: https://www.vaia.com/en-us/terms/ Privacy Policy: https://www.vaia.com/en-us/privacy/

About

Study Time With Rain

Enhance your study sessions with a charming ghost companion and a variety of timer options. Track your progress, enjoy a curated song library, and set motivational countdowns for your academic goals.

Highlights
  • Cute ghost characters
  • Pomodoro & Primary Timer
  • Study statistics tracking
  • Song library for ambiance
  • Personal confidence & D-Day settings
Features
Read full description

Study ghost app on rainy days! Do you like studying on rainy days? Then this app is perfect! This is a special study friend. It has the following characteristics: **Cute ghost characters**: Our little ghost makes your study time more attractive as you focus on your studies. **Pomodoro & Primary Timer**: Whether you prefer the Pomodoro technique or want a regular timer, it's all on offer. **Statistics of study** Keep track of your study progress and gain insight into your study habits. **Song Library** Set the tone with songs to cheer up or enjoy the rain by studying. Personal Confidence & D-Day Settings Set a countdown for personal messages or special study goals for motivation you need Add a magical touch to your study routine. Study Rainy Days Make rainy days productive every time with the ghost app! **Study ghost app on rainy days!** Do you like studying on rainy days? Then this app is perfect! This is a special study friend. It has the following characteristics: **Cute ghost characters**: Our little ghost makes your study time more attractive as you focus on your studies. **Pomodoro & Primary Timer**: Whether you prefer the Pomodoro technique or want a regular timer, it's all on offer. **Statistics of study** Keep track of your study progress and gain insight into your study habits. **Song Library** Set the tone with songs to cheer up or enjoy the rain by studying. Personal Confidence & D-Day Settings Set a countdown for personal messages or special study goals for motivation you need Add a magical touch to your study routine. Make every rainy day productive with the Study Ghost app! [Music Copyright] ⓒ 2023 한국저작권위원회 [도서관에서 공부하는 소리] ⓒ 2023 김용배 [도시 밤 앰비언스2] ⓒ 2023 (재)전주정보문화산업진흥원 [주거_펜션_저녁_공간음_비내리는_MKH418_ST_192] +(Royalty Free sound) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Vaia4 screens
Study Time With Rain4 screens

Verdict

The call

The clearest difference is update cadence: Vaia at weekly against Study Time With Rain's every 4 weeks. Study Time With Rain's advantage is review sentiment (91% vs 81%) and iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads 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. Vaia sells 15 in-app purchases, starting at $2.99 per month and Study Time With Rain sells 21 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Vaia against 4.8 for Study Time With Rain. Both are backed by a comparable volume of ratings — 1.6K and 788 respectively. Written reviews are what separate them: 81% of Vaia's written reviews are positive against 91% of Study Time With Rain's.

UpkeepUpdate frequency

Vaia ships an update weekly, Study Time With Rain every 4 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Vaia versus Study Time With Rain: the parameters behind the verdict, then further details
ParameterVaiaStudy Time With Rain
PriceFreeFree
Rating4.7 (1.6K ratings)4.8 (788 ratings) — better
Positive reviews81.4% of reviews91.3% of reviews — better
Number of ratings1.6K — better788
Update frequencyWeekly — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size259 MB93 MB
Age rating4+4+
DeveloperStudySmarter GmbHYoonjik Cho

Customer experience

Vaia

All ratings1,554 ratings
Positive93.9%
Neutral2.1%
Negative4.1%
Written reviews683 reviews
Positive81.4%
Neutral7.6%
Negative11.0%

Study Time With Rain

All ratings788 ratings
Positive94.8%
Neutral2.0%
Negative3.2%
Written reviews80 reviews
Positive91.3%
Neutral5.0%
Negative3.8%

User reviews

Vaia

From 1.6K App Store ratings

What we love

  • 🚀 Efficient flashcard creation and study tools
  • 🧠 AI-powered features for learning
  • 📚 Vast library of shared study materials
  • 🎨 Customizable and visually appealing interface
  • 🤝 Collaboration and sharing with peers

Room to improve

  • 🐛 Occasional bugs and glitches
  • 🔒 Limited offline access without premium subscription
  • 🤖 Inconsistent performance of AI-generated content
  • 🗂️ Difficulty organizing and navigating large study sets
  • 📱 Suboptimal mobile app experience compared to web

Study Time With Rain

From 788 App Store ratings

What we love

  • ❤️ Cute and aesthetic
  • 🚀 Helps with productivity
  • 🎶 Relaxing music and ASMR
  • 👍 Simple and minimalistic

Room to improve

  • 💰 Restrictive free version, many features locked behind paywall
  • 🐛 Issues with timer and music continuing in background
  • 🔌 Music and timer stop when app is closed

Bugs and requests

Vaia

Reported bugs

4 issues
  • Flashcard review progress not saving correctly
  • Inability to delete individual flashcards from a set
  • Syncing issues between mobile app and web version
  • Inconsistent behavior of AI-generated quiz questions

Requested features

5 requests
  • Add more language options
  • Improve PDF and note-taking editor functionality
  • Implement nested subsets within study sets
  • Provide more customization options for colors and themes
  • Integrate study timers and task management features

Study Time With Rain

Reported bugs

3 issues
  • Time tracking issues, inaccurate recording of study time
  • Black screen bug
  • Pen function noise removed

Requested features

5 requests
  • More customization options (colors, animations, etc.)
  • Ability to earn in-app currency for premium features
  • Seamless background playback of music and timer
  • Dark mode
  • Countdown timer with custom alerts

In-app purchases

15 purchases

Vaia

Subscriptions15
  • Premium Plan$2.991 Month
  • Premium Plan (1 month)7 Days trial$5.491 Month
  • Premium Plan (1 month)7 Days trial$6.491 Month
Show 12 more
  • Premium Plan (1 month)7 Days trial$6.991 Month
  • Premium Plan (1 week)7 Days trial$7.997 Days
  • Premium Plan (1 month)7 Days trial$8.991 Month
  • Premium Plan (1 month)7 Days trial$12.991 Month
  • Premium Plan (1 year)7 Days trial$17.991 Year
  • Premium Plan (1 month)7 Days trial$19.991 Month
  • Premium Plan (1 year)7 Days trial$31.991 Year
  • Premium Plan (1 year)7 Days trial$43.991 Year
  • Premium Plan (1 year)1 Month trial$59.991 Year
  • Premium Plan (1 year)7 Days trial$63.991 Year
  • Premium Plan (1 year)7 Days trial$89.991 Year
  • Premium Plan (1 year)1 Month trial$89.991 Year
21 purchases

Study Time With Rain

Subscriptions1
  • Premium 1 Month$5.991 Month
One-time20
  • Devil Hat$0.29
  • Rudolph Set$0.29
  • Fighting$0.29
Show 17 more
  • Fire Eyes$0.29
  • Santa$0.29
  • Angel Hat$0.59
  • Graduation Cap$0.59
  • White Cat$0.59
  • Black Cat$0.59
  • Window Wait$0.79
  • Glasses$0.79
  • Angel wings$0.89
  • Blackboard$0.99
  • Window Airplane$1.29
  • Window Mountain$1.29
  • Window Space$1.29
  • Window Snowman$1.29
  • Window Mountain Dark Version$1.29
  • Cherry Blossom$1.29
  • Premium Lifetime$27.99

Questions

Is Vaia free?
Vaia is free to download, with in-app purchases available.
Is Study Time With Rain free?
Study Time With Rain is free to download, with in-app purchases available.
Which has better reviews, Vaia or Study Time With Rain?
Study Time With Rain is rated higher. Vaia averages 4.7 out of 5 from 1.6K ratings, while Study Time With Rain averages 4.8 from 788 ratings.
Do Vaia or Study Time With Rain have ads?
Neither Vaia nor Study Time With Rain shows ads.
Which is updated more often, Vaia or Study Time With Rain?
Vaia ships an update weekly, and Study Time With Rain every 4 weeks. Most recently, Vaia was updated on October 29, 2026 and Study Time With Rain on October 30, 2026.

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