Comparison

Panecal Plus Sci. Calculator vs Clear Spaces

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

Head to head
About

Panecal Plus Sci. Calculator

This app functions as a scientific calculator with a multiline editable display. It allows users to view and modify formulas as they are entered, preventing errors. Past calculations can be reused, and variable memory enables efficient recalculations.

Highlights
  • Multiline editable formulas
  • Re-calculation of past formulas
  • Cursor-based editing and swipe navigation
  • Copy and paste formulas
  • Formula and answer history
  • Number base conversion (binary, octal, decimal, hex)
  • Variable memory
Features
Read full description

[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.

About

Clear Spaces

Personalize your device's home and lock screens with transparent widgets and custom elements. Organize information like weather, music, and time, and add quotes or stickers for a unique look. Easily switch between different styles and automate changes with shortcuts.

Highlights
  • Basic Transparent Spaces
  • Widget overlays (Weather, Now Playing, Time/Date)
  • Add quotes and stickers
  • Multiple Clear Spaces Styles
  • Lock Screen Transparent Spaces
  • Automate with Shortcuts
Currently charting
Read full description

Clear Spaces provides you with a wealth of customization options allowing you to create Basic Transparent Spaces, with the option to add Widget overlays to display quick information such as Weather, Now Playing and Time / Date. Clear Spaces also allows you to add quotes and stickers to your Home Screen. With the ability to make multiple Clear Spaces Styles, you can add all your different wallpapers into Clear Spaces and change your widgets with a tap, or automate it all with a Shortcut. Clear Spaces also takes customization to the Lock Screen with Transparent Spaces on the Lock Screen to allow you to move your widgets wherever you want. If you have any questions, feel free to reach out at support@clearspaces.uk or @clearspaces_ on Twitter.

Screenshots

Panecal Plus Sci. Calculator4 screens
Clear Spaces4 screens

Verdict

The call

The clearest difference is rating: Panecal Plus Sci. Calculator at 4.8 against Clear Spaces's 3.3. Panecal Plus Sci. Calculator also leads on review sentiment (79% vs 38%) and iOS requirement (12.0 vs 15.0). Clear Spaces's advantage is update cadence (every 4 days vs every 3 months) and chart position (#180 vs unranked). On price, ratings volume, ads and in-app purchases 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

Panecal Plus Sci. Calculator costs $2.99 and Clear Spaces $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Panecal Plus Sci. Calculator holds the better App Store score, 4.8 against 3.3. Both are backed by a comparable volume of ratings — 363 and 589 respectively. Written reviews point the same way: 79% of Panecal Plus Sci. Calculator's written reviews are positive against 38% of Clear Spaces's.

UpkeepUpdate frequency

Panecal Plus Sci. Calculator ships an update every 3 months, Clear Spaces every 4 days. Both last shipped on September 23, 2026.

Scorecard5 real differences · 6 level
Panecal Plus Sci. Calculator versus Clear Spaces: the parameters behind the verdict, then further details
ParameterPanecal Plus Sci. CalculatorClear Spaces
Price$2.99$2.99
Rating4.8 (363 ratings) — better3.3 (589 ratings)
Positive reviews79.3% of reviews — better37.7% of reviews
Number of ratings363589 — better
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank—#180 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size18 MB28 MB
Age rating4+4+
DeveloperNoriyasu KutsuzawaEden Software Limited

Customer experience

Panecal Plus Sci. Calculator

All ratings363 ratings
Positive94.5%
Neutral2.2%
Negative3.3%
Written reviews290 reviews
Positive79.3%
Neutral9.0%
Negative11.7%

Clear Spaces

All ratings589 ratings
Positive55.7%
Neutral6.6%
Negative37.7%
Written reviews414 reviews
Positive37.7%
Neutral14.7%
Negative47.6%

Bugs and requests

Panecal Plus Sci. Calculator

Not enough reviews yet to summarise bugs or requests.

Clear Spaces

Reported bugs

4 issues
  • Incompatibility with iOS 15 and newer devices
  • Widget labels not removable in recent updates
  • Inconsistent widget behavior across different iOS versions
  • Freezing/crashing issues on some devices

Requested features

4 requests
  • More widget customization options (fonts, colors, sizes)
  • Support for iPad and larger iPhone models
  • Ability to delete/remove old widget presets
  • Integration with Focus modes and dynamic wallpapers

In-app purchases

None

Panecal Plus Sci. Calculator

No in-app purchases

None

Clear Spaces

No in-app purchases

Questions

Is Panecal Plus Sci. Calculator free?
Panecal Plus Sci. Calculator costs $2.99, with no in-app purchases.
Is Clear Spaces free?
Clear Spaces costs $2.99, with no in-app purchases.
Which has better reviews, Panecal Plus Sci. Calculator or Clear Spaces?
Panecal Plus Sci. Calculator is rated higher. Panecal Plus Sci. Calculator averages 4.8 out of 5 from 363 ratings, while Clear Spaces averages 3.3 from 589 ratings.
Do Panecal Plus Sci. Calculator or Clear Spaces have ads?
Neither Panecal Plus Sci. Calculator nor Clear Spaces shows ads.
Which is updated more often, Panecal Plus Sci. Calculator or Clear Spaces?
Panecal Plus Sci. Calculator ships an update every 3 months, and Clear Spaces every 4 days. Most recently, Panecal Plus Sci. Calculator was updated on September 23, 2026 and Clear Spaces on September 23, 2026.

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