60
BU Score
Solid
FLIP - Focus Timer for Study
✍️ bumetric analysis
“
FLIP - Focus Timer for Study is an iOS app from Rinasoft Inc., currently rated 4.5★ across 892 ratings. Initial signal reads as no scraped reviews yet: judgment based on metadata only.
Our BU Score puts it at 60: Solid (established niche player). For an app like this, that means established niche player.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| subscriptionREVIEW | +$2,500 | |
| premiumREVIEW | +$2,200 | |
| Excellent rating (4.5★)METRIC | +$2,200 | |
| Multilingual (11 languages)METRIC | +$1,500 | |
| Established app (7y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (892 ratings)METRIC | +$400 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 141 MB🔞 4+📱 iOS 15.0+🔖 v1.8.27🔄 updated 4mo ago🌐 AR, EN, FR, DE, EL +6💰 Paid🚀 Launched 2018 (7y old)
📝 About this app
***Best study time management app recognized by users***
***FLIP can improve your study habits in a short period!***
Flip your phone over to measure your study time!
Need to Focus? Get FLIP now!
If you can't pay attention to your study, read, or work, use FLIP!
Focus level measure timer, FLIP!
■ Global Study Group : FLIP ZONE ■
You can meet study mates from all over the world!
Make friends and achieve your dream goal together!
- Does your smartphone disturb your study?
Don't worry!
With 'FLIP', make your own study goal and level up your focus.
- Accurate Time Measurement
You can measure your study time accurately by flipping your phone over.
- Do you want to know your Focus Level?
Studying long hours doesn't mean you have good concentration!
FLIP improves your concentration.
- Real-time study : LIVE!
How many people are studying now? Check out Live from measuring screen!
You can see who's studying in real time!
- Easy sharing of SNS
Organize your study time in dail, weekly, or monthly, and share on Facebook, Instagram and others with just one button!
- School Ranking
Register school in your profile, and check out the ranking of your school!
- Statistics
Check your weekly and monthly study time as well as today's.
- Timeline
The timeline shows you the goals you've measured today in chronological order.
- Timetable
Use the Timetable to automatically summarize today's measured goals!
You can see all of today's measured goals at a glance.
- Daily Report
FLIP shows you the details of your daily study.
- D-day
Set your D-Day!
You can see easily how many days are left before your due date.
- Study Schedule
Register your school timetable or your own study rountine!
- Global board; The FLIP TALK!
Talk with friends around the globe;
You can share your stories, encourage each other, and study together!
**FLIP Premium Service Ugrade**
- All functions unlimited (goals, groups, to-do lists, d-days, study schedules, themes, etc.)
- Timetable
- Weekly/Monthly Report
- Backup/Restore
Note: If you subscribe via Apple, payment will be charged to App Store 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 at the rate of the selected plan. Subscriptions and auto-renewal may be managed by going to Account Settings after purchase.
Subscription Price(Based on USD) : Monthly ($0.99) / 6 Months ($4.99) / Yearly ($8.99)
EULA : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Terms and Conditions : https://www.flipfocus.co.kr/etc/termsOfUse_EN.html?OSType=I
Privacy Policy : https://www.flipfocus.co.kr/etc/privacy_EN.html
FLIP uses pomodoro techniques, and determine the focus level according to the number of breaks compared to the focus duration.
When you need to focus on something, turn on the FLIP and flip your phone over!
Use FLIP to make smart phone even more useful.
--------------------
Contact Support
- [ FLIP > More > Help > Contact Support ]
- Email : support@rinasoft.co.kr
***FLIP can improve your study habits in a short period!***
Flip your phone over to measure your study time!
Need to Focus? Get FLIP now!
If you can't pay attention to your study, read, or work, use FLIP!
Focus level measure timer, FLIP!
■ Global Study Group : FLIP ZONE ■
You can meet study mates from all over the world!
Make friends and achieve your dream goal together!
- Does your smartphone disturb your study?
Don't worry!
With 'FLIP', make your own study goal and level up your focus.
- Accurate Time Measurement
You can measure your study time accurately by flipping your phone over.
- Do you want to know your Focus Level?
Studying long hours doesn't mean you have good concentration!
FLIP improves your concentration.
- Real-time study : LIVE!
How many people are studying now? Check out Live from measuring screen!
You can see who's studying in real time!
- Easy sharing of SNS
Organize your study time in dail, weekly, or monthly, and share on Facebook, Instagram and others with just one button!
- School Ranking
Register school in your profile, and check out the ranking of your school!
- Statistics
Check your weekly and monthly study time as well as today's.
- Timeline
The timeline shows you the goals you've measured today in chronological order.
- Timetable
Use the Timetable to automatically summarize today's measured goals!
You can see all of today's measured goals at a glance.
- Daily Report
FLIP shows you the details of your daily study.
- D-day
Set your D-Day!
You can see easily how many days are left before your due date.
- Study Schedule
Register your school timetable or your own study rountine!
- Global board; The FLIP TALK!
Talk with friends around the globe;
You can share your stories, encourage each other, and study together!
**FLIP Premium Service Ugrade**
- All functions unlimited (goals, groups, to-do lists, d-days, study schedules, themes, etc.)
- Timetable
- Weekly/Monthly Report
- Backup/Restore
Note: If you subscribe via Apple, payment will be charged to App Store 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 at the rate of the selected plan. Subscriptions and auto-renewal may be managed by going to Account Settings after purchase.
Subscription Price(Based on USD) : Monthly ($0.99) / 6 Months ($4.99) / Yearly ($8.99)
EULA : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Terms and Conditions : https://www.flipfocus.co.kr/etc/termsOfUse_EN.html?OSType=I
Privacy Policy : https://www.flipfocus.co.kr/etc/privacy_EN.html
FLIP uses pomodoro techniques, and determine the focus level according to the number of breaks compared to the focus duration.
When you need to focus on something, turn on the FLIP and flip your phone over!
Use FLIP to make smart phone even more useful.
--------------------
Contact Support
- [ FLIP > More > Help > Contact Support ]
- Email : support@rinasoft.co.kr
🆕 What's New · v1.8.27
- Bug fixed
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- FLIP - Focus Timer for Study
- Developer
- Rinasoft Inc.
- Bundle ID
- rinasoft.StudyingHard
- App Store URL
- Open in App Store
- Category
- Not found
- Content rating
- 4+
- Languages
- AR, EN, FR, DE, EL, ID, JA, KO, PT, ES, TR
Company
- Website
- www.rinasoft.co.kr
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $442/mo
- Top-grossing rank
- Outside top 100 in US
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
📈Ratings growth892 ratings+49% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
Full revenue analysis
Read the article-style breakdown for FLIP - Focus Timer for Study: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.