75
BU Score
Strong
Shift Calendar (since 2013)
✍️ bumetric analysis
“
Shift Calendar (since 2013) is an Android app from Little Fox Studio in the Productivity category, currently rated 4.7★ across 39,678 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 75: Strong (healthy traction). For a Productivity app, that means healthy traction.
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 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (39,678 ratings)METRIC | +$5,500 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| Ad-supported / freemiumMETRIC | +$600 |
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.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 vVaries with device🔄 updated 7mo ago📂 Productivity💰 Free
📝 About this app
This app is designed for all hard-working shift workers. You can add customized shifts.
<p></p> When editing your shifts, you can select a range of days (rather than one day) to set. Thus, you can set your schedule (roster, planner) in few seconds. Then, you can send the screenshot of your calendar to friends by clicking one button.
<p></p>
If you have any suggestion/question, welcome to send an email to me. E-mail: kigurumi.shia@gmail.com
Developer: Chih-Yu Lin
<p></p>
<p></p> Permission Description:… View full description on the official store →
<p></p> When editing your shifts, you can select a range of days (rather than one day) to set. Thus, you can set your schedule (roster, planner) in few seconds. Then, you can send the screenshot of your calendar to friends by clicking one button.
<p></p>
If you have any suggestion/question, welcome to send an email to me. E-mail: kigurumi.shia@gmail.com
Developer: Chih-Yu Lin
<p></p>
<p></p> Permission Description:… View full description on the official store →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Shift Calendar (since 2013)
- Developer
- Little Fox Studio
- Bundle ID
- lincyu.shifttable
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- Not found
- 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
- $1.6K/mo
- Top-grossing rank
- Not found
- 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
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.
More by Little Fox Studio
View all →
Full revenue analysis
Read the article-style breakdown for Shift Calendar (since 2013): category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.