Comparison

DayCalc vs Calculator PanecalST

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

Head to head
About

DayCalc

This app combines a powerful calculator with a comprehensive unit converter. It offers standard, scientific, and fraction calculations, along with over 600 units across 20 categories. Users can customize units, add notes to calculations, and enjoy a visually appealing interface with multiple themes.

Highlights
  • Standard, scientific, and fraction calculator
  • Live voice calculator
  • Add notes to calculations
  • Over 600 units in 20 categories
  • Custom unit creation
  • Automatic currency exchange rate updates
  • 50+ themes and dark mode support
Features
Read full description

DayCalc is an easy to use, beautifully packaged calculator and Unit Converter, includes standard, scientific and fractions calculator, best calculator for your iPad, iPhone and Apple Watch! Calculator: - Live voice calculator - Add notes to history of your calculations, and you can share - Choose between a basic calculator or scientific calculator with more than 30 scientific operations - Use both calculators in portrait or landscape mode (both iPhone and iPad), and split screen support for iPad - Auto adjust height of the history list, no matter how long the calculation process can be displayed in full - Allows locking of calculation history, cannot be deleted and modified after locking - Full watchOS 4 and later support - Support iOS 9 and later spotlight search - Support Dark Mode Unit Converter: - Over 600+ units in 20 categories. - Allows you to add your own unit data, make your own unit converter that meets all your requirements. - Support more than 150 kinds of currency, conversion exchange rate automatic updates - The simplest way to create and use favorite lists. - Add the constant value of your frequently used, it can easily and quickly reused. - Flexible search feature that lets you quickly find what you want the unit and automatically saves your search history. Basic functions: - 50+ beautiful themes for you to choose - View and edit a history of your calculations on the History Panel - Multiple Button sounds, and button sound is mutable URL schemes: HCDayCalc:// Download it now and feel of this calculator is how classic

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.

Screenshots

DayCalc4 screens
Calculator PanecalST4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator PanecalST at none against DayCalc's 4. Calculator PanecalST also leads on iOS requirement (12.0 vs 15.0). DayCalc's advantage is update cadence (every 3 weeks vs every 3 months) and review sentiment (87% vs 67%). On price, rating, ratings volume and ads 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. DayCalc sells 4 one-off in-app purchases. 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 — 4.7 for DayCalc against 4.8 for Calculator PanecalST. Both are backed by a comparable volume of ratings — 128 and 98 respectively. Written reviews are what separate them: 87% of DayCalc's written reviews are positive against 67% of Calculator PanecalST's.

UpkeepUpdate frequency

DayCalc ships an update every 3 weeks, Calculator PanecalST every 3 months. Both last shipped on November 6, 2026.

Scorecard5 real differences · 5 level
DayCalc versus Calculator PanecalST: the parameters behind the verdict, then further details
ParameterDayCalcCalculator PanecalST
PriceFreeFree
Rating4.7 (128 ratings)4.8 (98 ratings) — better
Positive reviews87.2% of reviews — better66.7% of reviews
Number of ratings128 — better98
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size170 MB33 MB
Age rating4+4+
Developer良峰 侯Noriyasu Kutsuzawa

Customer experience

DayCalc

All ratings126 ratings
Positive94.4%
Neutral1.6%
Negative4.0%
Written reviews156 reviews
Positive87.2%
Neutral3.8%
Negative9.0%

Calculator PanecalST

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

Bugs and requests

DayCalc

Reported bugs

16 issues
  • Update issues, stuck in update loop
  • Cannot install after removal
  • Weight conversion not showing
  • Keys making sound unexpectedly
  • App not working after professional version update
Show 11 more
  • App crashes after update
  • Stuck on updating forever
  • Calculator results in errors (e.g., 1000*10%)
  • App keeps running in the background, draining battery
  • Cannot change themes due to network error
  • Ads still appear after purchasing ad removal
  • App not opening after install
  • M+ M- bug
  • Text/numbers/symbols have underlines
  • Standard version limits typing to four digits
  • App not starting on Apple Watch

Requested features

10 requests
  • Add Pi button
  • Improve currency conversion navigation
  • iCloud support for syncing across devices
  • Add background running feature
  • Ability to change app icon
Show 5 more
  • Add more theme options
  • Allow notes to show on the main screen
  • Email entire calculation history
  • Change layout (move function buttons)
  • Allow sound to be enabled in silent mode

Calculator PanecalST

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

DayCalc

One-time4
  • Constants Pack$0.99
  • Custom Unit Pack$1.99
  • Remove Ads$3.99
Show 1 more
  • Complete Pack$4.99
None

Calculator PanecalST

No in-app purchases

Questions

Is DayCalc free?
DayCalc is free to download, with in-app purchases available.
Is Calculator PanecalST free?
Calculator PanecalST is free to download, with no in-app purchases.
Which has better reviews, DayCalc or Calculator PanecalST?
Calculator PanecalST is rated higher. DayCalc averages 4.7 out of 5 from 128 ratings, while Calculator PanecalST averages 4.8 from 98 ratings.
Do DayCalc or Calculator PanecalST have ads?
Both DayCalc and Calculator PanecalST show ads.
Which is updated more often, DayCalc or Calculator PanecalST?
DayCalc ships an update every 3 weeks, and Calculator PanecalST every 3 months. Most recently, DayCalc was updated on November 6, 2026 and Calculator PanecalST on November 6, 2026.

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