51
BU Score
Solid
Calculate: Advanced Calculator
✍️ bumetric analysis
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Calculate: Advanced Calculator is an iOS app from Joe Rickerby in the Productivity category, currently rated 3.9★ across 28 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 51: Solid (established niche player). For a Productivity app, 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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| Mature app (15y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (28 ratings)METRIC | −$300 |
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 →💾 3 MB🔞 4+📱 iOS 15.6+🔖 v1.2.1🔄 updated 1y ago🌐 EN📂 Productivity💰 Paid🚀 Launched 2010 (15y old)
📝 About this app
Calculate is a fully-featured scientific calculator packed with innovative features and carefully designed interface.
With Calculate, calculations can be entered in the order that they would be written on paper. The symbolic feature reduces complicated numbers to simple fractions, integer square roots, and more. Previous calculations can be accessed using a familiar swipe gesture.
FEATURES
⋇ Fully-featured scientific calculator
⋇ Simple, elegant user interface
⋇ Full complement of mathematical functions: trigonometry, logarithms, powers, parentheses etc.
⋇ Symbolic mode displays numbers with simple fractional representations as such e.g. ⅝ √2 2π
⋇ Calculation history accessed using a swipe downwards gesture on the display
⋇ Informative error system makes it easy to correct typos
Four different number display modes: normal, scientific form, fixed decimal places, and engineer mode (using a SI prefix such as k for 1000)
⋇ Degree or radian modes
* Your choice of Clicky or Clacky sounds, sampled from a real calculator!
What's more, there are NO in-app purchases, adverts, upsells. This is just a simple nice app.
It's great for scientists, engineers, mathematicians and students.
With Calculate, calculations can be entered in the order that they would be written on paper. The symbolic feature reduces complicated numbers to simple fractions, integer square roots, and more. Previous calculations can be accessed using a familiar swipe gesture.
FEATURES
⋇ Fully-featured scientific calculator
⋇ Simple, elegant user interface
⋇ Full complement of mathematical functions: trigonometry, logarithms, powers, parentheses etc.
⋇ Symbolic mode displays numbers with simple fractional representations as such e.g. ⅝ √2 2π
⋇ Calculation history accessed using a swipe downwards gesture on the display
⋇ Informative error system makes it easy to correct typos
Four different number display modes: normal, scientific form, fixed decimal places, and engineer mode (using a SI prefix such as k for 1000)
⋇ Degree or radian modes
* Your choice of Clicky or Clacky sounds, sampled from a real calculator!
What's more, there are NO in-app purchases, adverts, upsells. This is just a simple nice app.
It's great for scientists, engineers, mathematicians and students.
🆕 What's New · v1.2.1
- Updated to modern iOS for store compatibility
- Added hardware keyboard support
- Added hardware keyboard support
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Calculate: Advanced Calculator
- Developer
- Joe Rickerby
- Bundle ID
- com.JoeRickerby.calculator
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- EN
Company
- Website
- joerick.me
- Tagline
- joerick.me
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $8.1K/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- https://twitter.com/joerick/
- Not found
- GitHub
- https://github.com/joerick/
- 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
⭐Recent App Store Reviews33 latest · avg 4.27★ · 69.7% 5★ · 9.1% 1★
5★23 (70%)
4★4 (12%)
3★1 (3%)
2★2 (6%)
1★3 (9%)
+0 ratings/week
Praise: great ×8 best ×4 love ×3 awesome ×3 perfect ×3Complaints: crash ×1 broken ×1
Top positive
★★★★★ Robust, 2-line view, and simple
I am a university student and have searched a bunch of free calculators apps online, however, this app is a perfect match to my work. This calculator is powerful 2 line view and includes some of the most essential features of an easy to use…
★★★★★ Like it
Does what I need to do. Able to replace my Casio fx-300. Easy to use. Simple user interface…
Top negative
★☆☆☆☆ Display is unreadable
I have a gray band across the top of my iPhone 5s and iOS 11.0.1, that when I enter numbers I can see the cursor move but can NOT read any numbers on the display. Kinda hard to read the calculator ‘s answer.…
★☆☆☆☆ There's no X
I looked everywhere and there is no X, I can't do any of my algebraic equations for math without X…
📈Ratings growth28 ratings+2700% lifetimeShow 3-year history estimate ▾
Tracked (35 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 Calculate: Advanced Calculator: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.