Comparison

Calculator PanecalST vs PerfectCalc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calculator PanecalST

This calculator allows you to view and edit complex formulas with ease. It prevents errors by letting you check entries as you type and reuse past calculations by modifying values. Navigate and edit expressions quickly with a cursor and intuitive controls.

Highlights
  • Edit formulas as you type
  • Reuse past calculations
  • Navigate and edit with cursor
  • Cut, copy, and paste expressions
  • Time and tax calculations
  • History of expressions and answers
Features
Read full description

This is 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 to change only certain values to calculate them. The cursor indicates on the display, 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 ] - Easy operation for editing formulas - Re-calculation by using history - Four arithmetic operations, root, percentages, time, tax and parentheses calculations - Memory, M+, M-, MR, MC - Scroll up/down lines - Cut, copy and paste - Expressions history and answer history - Grouping separator and decimal point - Various settings (Long tap MENU key) [ What do you use "Calculator" for ] - General calculator - Tax and VAT - Sales, profit and cost - Split a payments at restaurant - Long formulas calculation - Formula include parenthesis - Elapsed time, time addition and subtraction, production time, costing from time [ Four arithmetic operations ] 1 + 2 - 3 × 4 ÷ 5 = 0.6   [ Time calculation ] 16:15 - 12:45 = 3:30:00 1.5 × (16:15 - 12:45) = 5:15:00 Press [H:M:S] key for changing value after calculation. =5.25 [ Root calculation (Long press)] √( 2 × 2) = 2   [ Percentage calculation ] 500 + 20% = 600 500 - 20% = 400 500 × 20% = 100 100 ÷ 500% = 20   [ Tax calculation ] 500 Tax+ = 525 525 Tax- = 500   [ Parenthesis calculation ] ( 1 + 2 ) × ( 3 + 4 ) = 21 ( 1 + 2 ) ( 3 + 4 ) ( 5 + 6 ) = 231   [ Grouping separator and decimal point ] 123,456,789.1 + 0.02 = 123,456,789.12 123.456.789,1 + 0,02 = 123.456.789,12 (Depends on setting)   [ Display ] Calculator indicates long expressions on the display. If you may mistake to input expressions, you can correct this expressions easily and quickly using by back space key, arrow keys and C(clear) key. [ Re-play and history functions ] Calculator has "Re-play function". It indicates expressions that you inputted in the recently using by △(re-play)key. If you long-press re-play key, expressions history table is available. [ Last answer and history functions ] Last answer is that indicates the last calculation result by using Ans key. If you long-press Ans key, a last answer history table is available. [ Percent calculator ] If you would like to calculate “20% more $50”, you can input 50+20% and get a result. [ Tax calculator ] This calculator can store tax rate in the setting. And you can get price including / excluding tax easily and quickly using by Tax+/Tax- keys. [ 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.

About

PerfectCalc

This app offers both basic and advanced scientific calculations with a user-friendly interface. It allows for real-time editing of calculations, history management, and theme customization.

Highlights
  • Basic and scientific calculations
  • Trigonometric and inverse trigonometric functions
  • Mathematical functions (abs, ceil, floor, round)
  • Real-time calculation editing
  • Historical records management
  • Bright and dark theme switching
Features
Read full description

An all-in-one calculation app that brings together a standard calculator, scientific calculator, and a wide range of practical tools. It supports basic and scientific calculations, fractions, currency conversion, unit conversion, base conversion, BMI, custom formulas, financial calculations, and other everyday needs - all in one app. [CORE FEATURES] Standard & Scientific Calculator Perform addition, subtraction, multiplication, division, percentages, calculations with parentheses, powers, trigonometric functions, inverse trigonometric functions, and more. Access custom formulas directly from the Home screen to reduce repetitive input. Freely edit calculations, move the cursor, and double-tap to select the current number. Fraction Calculator Enter and calculate fractions with results displayed in fractional form - useful for school, exams, and everyday tasks. Currency Converter Convert between multiple currencies, precious metals, and cryptocurrencies for travel, online shopping, investing, and everyday reference. Unit & Base Converters Convert common units and number bases for study, work, programming, and everyday use. BMI Calculator Quickly calculate body mass index for everyday health tracking. Custom Formulas Use built-in formulas or create reusable custom formula templates to make repeated calculations faster. Financial Calculators Calculate compound interest and recurring investments for common financial planning needs. History & Editable Calculations View, favorite, delete, and recalculate previous results. Edit calculations directly, so a typo never means starting over. Light & Dark Mode Switch between light and dark themes. [CONTACT US] Email: kingstar19900516@gmail.com QQ Group: 835604202

Screenshots

Calculator PanecalST4 screens
PerfectCalc4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator PanecalST at none against PerfectCalc's 1. PerfectCalc's advantage is update cadence (fortnightly vs every 3 months) and review sentiment (94% vs 67%). On price, rating, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PerfectCalc sells 1 one-off in-app purchase. Calculator PanecalST asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Calculator PanecalST against 4.7 for PerfectCalc. Both are backed by a comparable volume of ratings — 95 and 342 respectively. Written reviews are what separate them: 67% of Calculator PanecalST's written reviews are positive against 94% of PerfectCalc's.

UpkeepUpdate frequency

Calculator PanecalST ships an update every 3 months, PerfectCalc fortnightly. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

Scorecard5 real differences · 5 level
Calculator PanecalST versus PerfectCalc: the parameters behind the verdict, then further details
ParameterCalculator PanecalSTPerfectCalc
PriceFreeFree
Rating4.8 (95 ratings) — better4.7 (342 ratings)
Positive reviews66.7% of reviews94.1% of reviews — better
Number of ratings95342 — better
Update frequencyEvery 3 monthsFortnightly — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13
Further details — not scored
Size33 MB76 MB
Age rating4+4+
DeveloperNoriyasu Kutsuzawa明星 王

Customer experience

Calculator PanecalST

All ratings95 ratings
Positive95.8%
Neutral2.1%
Negative2.1%
Written reviews33 reviews
Positive66.7%
Neutral9.1%
Negative24.2%

PerfectCalc

All ratings342 ratings
Positive93.3%
Neutral2.9%
Negative3.8%
Written reviews85 reviews
Positive94.1%
Neutral1.2%
Negative4.7%

Bugs and requests

Calculator PanecalST

Not enough reviews yet to summarise bugs or requests.

PerfectCalc

Reported bugs

2 issues
  • Forced 5-star review for history function
  • Odd language issue with copied calculations

Requested features

2 requests
  • Dark mode option
  • More customization options

In-app purchases

None

Calculator PanecalST

No in-app purchases

1 purchases

PerfectCalc

One-time1
  • Calculator Pro$12.99

Questions

Is Calculator PanecalST free?
Calculator PanecalST is free to download, with no in-app purchases.
Is PerfectCalc free?
PerfectCalc is free to download, with in-app purchases available.
Which has better reviews, Calculator PanecalST or PerfectCalc?
Calculator PanecalST is rated higher. Calculator PanecalST averages 4.8 out of 5 from 95 ratings, while PerfectCalc averages 4.7 from 342 ratings.
Do Calculator PanecalST or PerfectCalc have ads?
Both Calculator PanecalST and PerfectCalc show ads.
Which is updated more often, Calculator PanecalST or PerfectCalc?
Calculator PanecalST ships an update every 3 months, and PerfectCalc fortnightly. Most recently, Calculator PanecalST was updated on September 25, 2026 and PerfectCalc on September 17, 2026.

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