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71
BU Score
Strong

Panecal Plus Sci. Calculator

4.8 ✍️ Editor
✍️ BU Analytics Review

Panecal Plus Sci. Calculator is an iOS app from Noriyasu Kutsuzawa in the Utilities category, currently rated 4.8★ across 353 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.

Our BU Score puts it at 71Strong (healthy traction). For a Utilities 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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idle
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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue 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:
Paid app ($0.00)METRIC
+$2,800
Excellent rating (4.8★)METRIC
+$2,200
5 starREVIEW
+$1,800
Mature app (12y old)METRIC
+$1,500
Multilingual (11 languages)METRIC
+$1,500
highly recommendREVIEW
+$1,400
Early-stage install base (353 ratings)METRIC
+$400
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jun 24
Feb 25
May 25
Aug 25
Nov 25
Jan 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 18 MB🔞 4+📱 iOS 12.0+🔖 v7.6.6🔄 updated 10mo ago🌐 EN, FR, DE, ID, IT +6📂 Utilities💰 Paid🚀 Launched 2013 (12y old)

📝 About this app

[Description]
Panecal is a scientific calculator app that allows you to display and modify formulas. It allows you to enter formulas while checking them, which prevents you from typing incorrectly or making calculation errors. It is also possible to reuse past formulas and use variable memory to change only certain values to calculate them.
 The display shows the cursor, and you can tap or press the arrow keys to quickly navigate to where you want to edit. It has a powerful, flexible and intuitive user interface with support for swiping to scroll through formulas and long-tap to copy and paste.
 
[Features]
- Re-calculation by using past formula
- Easy editing by using a cursor operation and swipe the screen
- Copy and paste formulas text
- Formulas history and answers history table
- Binary numbers, octal numbers, decimal numbers, hexadecimal numbers calculation and conversion (Max.32bits)
- M+/M- memory functions and variable(A-F) memory
- Arithmetic operations, inverse trigonometric functions, logarithmic functions, power functions, power root functions, factorials, absolute values, percent calculations, modulo calculation, polar and cartesian coordinate conversion
- Angle units (DEG, RAD, GRAD)
- Result format with Normal(standard), Fix (fixed decimal mode), Sci (significant figures), and Eng (index is in multiples of 3)
- Decimal point character and grouping separator settings

[Disclaimer]
Please note in advance that Appsys is not responsible for any damage or lost profits caused by the use of this software, or any claims from third parties.

🆕 What's New · v7.6.6

- Fixed abs() function.
- Updated libraries.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Panecal Plus Sci. Calculator
Developer
Noriyasu Kutsuzawa
Bundle ID
jp.appsys.PanecalPlus
App Store URL
Open in App Store
Category
Utilities
Content rating
4+
Languages
EN, FR, DE, ID, IT, JA, PT, RU, ZH, ES, ZH

Company

Website
appsys.jp
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
$18.6K/mo
Top-grossing rank
Outside top 100 in US Utilities
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
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
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth353 ratings+35200% lifetimeShow 3-year history estimate ▾Sep 2014Mar 2024May 2026
Tracked (31 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.
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