75
BU Score
Strong
Arbeitsschicht Kalender
✍️ BU Analytics Review
“
Arbeitsschicht Kalender is an iOS app from Luis Alberto Reyes Halaby in the Productivity category, currently rated 4.8★ across 2,216 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 10 of 10 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Excellent rating (4.8★)METRIC | +$2,200 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Low install base (2,216 ratings)METRIC | +$1,500 | |
| Multilingual (18 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| annoying adsREVIEW | −$1,100 | |
| support teamREVIEW | +$900 | |
| Established app (5y old)METRIC | +$800 | |
| 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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Apr 25
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
⭐ 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 →💾 17 MB🔞 4+📱 iOS 13.0+🔖 v0.7.2🔄 updated 1y ago🌐 SQ, BG, CS, DA, EN +13📂 Productivity💰 Paid🚀 Launched 2020 (5y old)
📝 About this app
This app is designed for shift workers and people who need to organize their day to day basis and thus not to miss any appointments.
You can carry out an exhaustive control of your working day and your income quick and easily thanks to our statistics system.
SHIFTS
- Create fully configurable shifts.
- Add your workday, with option to include split shift and rest time. Keep track of your schedules.
- Enter your income, overtime and early exit. Set up earnings and control working time easily.
- Create alarms associated with that shift (for that day or for the previous day) and customize its sound.
- Paint up to two shifts per day.
- Import your shifts from one calendar to another.
- Add icons associated with a date.
NOTES
- Create notes on each day and add reminders with alarms. Don't ever forget important appointments or notes.
- Customize the sound of alarms.
- Include images in your notes.
WIDGETS
- Create a widget for your desktop and view your calendar even without opening the app.
- Choose between weekly and monthly Widget.
TOP FUNCTIONS
- Enjoy the Monthly and Annual View (which allows you to see all months of the year just by sliding the screen, as well as Annual Statistics).
- Export your calendar to Google calendar.
- Add national holidays directly from Google Calendar.
- Control working time and earnings by selecting a range of dates in the Statistics section.
- View upcoming notes at a glance.
- Compare different calendars.
- Share your calendar (monthly, annual view or comparison of calendars) with your friends via WhatsApp, email, Telegram...
- Create backups easily.
- Set up to ten different calendars.
- Import other calendars simply.
- Use the icon search to find them quickly.
EASY TO USE
- Modify your calendar in two ways:
(1) Quick mode or Paint: Select an event from the drop-down list and click on the days to paint them with that event.
(2) Edit Mode: Select one or more days and perform actions in the selected day range (repeat, copy, cut, paste, delete or assign shifts).
- Shifts menu: you can see all the shifts of that calendar, create new ones, edit, reorder or import them.
FEATURED FEATURES
- Easy to use.
- Clear interface.
- Customizable.
- PRO version that unlocks great advantages.
- Tutorial with the basic functions of the app and help section (FAQs).
- Fast and personalized customer service.
- Social networks: enjoy explanatory videos, information about new updates and more visual content by joining our Shifter community.
SUPPORT OUR WORK
We are a very small team of people who make a great effort to develop Shifter. If you like this app, you can help us improving it and continue adding new features. Buying PRO version not only activates all its advantages, but also greatly support the continuous development of the app.
FACEBOOK & INSTAGRAM: @ShifterCalendar
You can carry out an exhaustive control of your working day and your income quick and easily thanks to our statistics system.
SHIFTS
- Create fully configurable shifts.
- Add your workday, with option to include split shift and rest time. Keep track of your schedules.
- Enter your income, overtime and early exit. Set up earnings and control working time easily.
- Create alarms associated with that shift (for that day or for the previous day) and customize its sound.
- Paint up to two shifts per day.
- Import your shifts from one calendar to another.
- Add icons associated with a date.
NOTES
- Create notes on each day and add reminders with alarms. Don't ever forget important appointments or notes.
- Customize the sound of alarms.
- Include images in your notes.
WIDGETS
- Create a widget for your desktop and view your calendar even without opening the app.
- Choose between weekly and monthly Widget.
TOP FUNCTIONS
- Enjoy the Monthly and Annual View (which allows you to see all months of the year just by sliding the screen, as well as Annual Statistics).
- Export your calendar to Google calendar.
- Add national holidays directly from Google Calendar.
- Control working time and earnings by selecting a range of dates in the Statistics section.
- View upcoming notes at a glance.
- Compare different calendars.
- Share your calendar (monthly, annual view or comparison of calendars) with your friends via WhatsApp, email, Telegram...
- Create backups easily.
- Set up to ten different calendars.
- Import other calendars simply.
- Use the icon search to find them quickly.
EASY TO USE
- Modify your calendar in two ways:
(1) Quick mode or Paint: Select an event from the drop-down list and click on the days to paint them with that event.
(2) Edit Mode: Select one or more days and perform actions in the selected day range (repeat, copy, cut, paste, delete or assign shifts).
- Shifts menu: you can see all the shifts of that calendar, create new ones, edit, reorder or import them.
FEATURED FEATURES
- Easy to use.
- Clear interface.
- Customizable.
- PRO version that unlocks great advantages.
- Tutorial with the basic functions of the app and help section (FAQs).
- Fast and personalized customer service.
- Social networks: enjoy explanatory videos, information about new updates and more visual content by joining our Shifter community.
SUPPORT OUR WORK
We are a very small team of people who make a great effort to develop Shifter. If you like this app, you can help us improving it and continue adding new features. Buying PRO version not only activates all its advantages, but also greatly support the continuous development of the app.
FACEBOOK & INSTAGRAM: @ShifterCalendar
🆕 What's New · v0.7.2
- Bug fixes and improvements
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Arbeitsschicht Kalender
- Developer
- Luis Alberto Reyes Halaby
- Bundle ID
- com.lrhsoft.shifterCalendar
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- SQ, BG, CS, DA, EN, FR, DE, EL, IT, NB, PL, PT, RO, RU, SR, SL, ES, TR
Company
- Website
- www.lrhsoft.com
- Tagline
- LRHSoft
- 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
- $26.0K/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- 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 growth2,216 ratings+51% lifetimeShow 3-year history estimate ▾
Tracked (58 weeks) Pre-tracking estimate (36 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.
