Comparison

iSafe Pro vs Panecal Plus Sci. Calculator

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

Head to head
About

iSafe Pro

Secure your sensitive documents, photos, and videos with a digital vault. This app offers multiple unlock methods, including a fake code to hide specific content from prying eyes. Organize your files into categories and enjoy a powerful video player and private browser.

Highlights
  • Passcode and fakecode security
  • Multiple login styles
  • Organized file categories
  • Powerful video player
  • Private browser
  • Support for various file formats
Features
Read full description

- Limited time on SALES only - Get it before the price raise up!!! *** App of the Day *** Top Overall in 25 countries Top Utility in 58 countries If you want to protect your documents from spying eyes, then iSafe is for you. This app is like a real safe for your iPhone, locked away with. special code. And you even hide Top Secret stuff from extra curious, like girlfriends, by giving them a fake code that only allows them to see certain content-sneaky ;) An app that could just save your life! Awesome Features: • Passcode & Fakecode You can unlock the app by using either passcode or fakecode. Passcode: Both unlocked and locked items will be shown Fakecode: Only unlocked items will be shown Confidential: Enter the passcode, pull down and refresh to show the confidential directories. So, enter the fakecode if your girlfriend asks you to unlock iSafe. • Login Styles You can choose many unlock tricks, such as 4 numeric password, 9 dots lock, or disguise as piano, xylophone, ATM… • Best Organization All files will be assigned to three categories: Photos, Movies and Docs. You can create locked albums, movie clips or directories in each categories. • Powerful Video Player iSafe can play almost all formats of video, no need to convert anymore. • Private Browser Hide your footprint. Supports Various File Formats - Images: png, jpg, jpeg, bmp, tif, gif - Videos: mp4, mov, m4v, 3gp, flv, f4v, mpg, mpeg, wmv, rmvb, mkv, asf, webm - Audios: mp3, m4a, m4r, aac, caf, wma - Plain Text: txt, php, cgi, asp, h, m, c (editable) - Rich Text: rtf, pdf - iWorks: pages, numbers, key - MS Office: doc, xls, ppt, docx, xlsx, pptx - Web: htm, html, webarchive - Archive: zip, rar - Others: …… (unreadable, save only) Multi-language: more then 20 languages, including Hindi, Persian. ####################### iSafe in Apple Watch Tutorial: 1. Open the iSafe in iPhone 2. Pull the navigation bar to right to show the menu 3. Press the gear in the top of menu and go to Settings page 4. Press the information button in the top right corner of the Settings page, you can see the tutorial page.

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.

Screenshots

iSafe Pro4 screens
Panecal Plus Sci. Calculator4 screens

Verdict

The call

The clearest difference is rating: Panecal Plus Sci. Calculator at 4.8 against iSafe Pro's 4.1. Panecal Plus Sci. Calculator also leads on in-app purchases (none vs 1) and ads (none vs shown). iSafe Pro's advantage is update cadence (fortnightly vs every 3 months) and price ($0.99 vs $2.99). On ratings volume, device support and iOS requirement 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

iSafe Pro costs $0.99 and Panecal Plus Sci. Calculator $2.99 up front. iSafe Pro sells 1 one-off in-app purchase. Panecal Plus Sci. Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Panecal Plus Sci. Calculator holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 711 and 375 respectively. Written reviews point the same way: 62% of iSafe Pro's written reviews are positive against 79% of Panecal Plus Sci. Calculator's.

UpkeepUpdate frequency

iSafe Pro ships an update fortnightly, Panecal Plus Sci. Calculator every 3 months. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

Scorecard7 real differences · 3 level
iSafe Pro versus Panecal Plus Sci. Calculator: the parameters behind the verdict, then further details
ParameteriSafe ProPanecal Plus Sci. Calculator
Price$0.99 — better$2.99
Rating4.1 (711 ratings)4.8 (375 ratings) — better
Positive reviews62.3% of reviews79.3% of reviews — better
Number of ratings711 — better375
Update frequencyFortnightly — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size107 MB18 MB
Age rating17+4+
DeveloperFanshipNoriyasu Kutsuzawa

Customer experience

iSafe Pro

All ratings711 ratings
Positive75.7%
Neutral7.9%
Negative16.5%
Written reviews1,264 reviews
Positive62.3%
Neutral8.2%
Negative29.5%

Panecal Plus Sci. Calculator

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

Bugs and requests

iSafe Pro

Reported bugs

4 issues
  • Defaulted websites no longer supported
  • Crashes on certain actions
  • Incompatible with iOS 16
  • Loss of data after updates

Requested features

4 requests
  • File sharing between devices
  • Permanent passcode
  • Improved video playback
  • Local network support

Panecal Plus Sci. Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

iSafe Pro

One-time1
  • Remove Ads$0.99
None

Panecal Plus Sci. Calculator

No in-app purchases

Questions

Is iSafe Pro free?
iSafe Pro costs $0.99, and also offers in-app purchases.
Is Panecal Plus Sci. Calculator free?
Panecal Plus Sci. Calculator costs $2.99, with no in-app purchases.
Which has better reviews, iSafe Pro or Panecal Plus Sci. Calculator?
Panecal Plus Sci. Calculator is rated higher. iSafe Pro averages 4.1 out of 5 from 711 ratings, while Panecal Plus Sci. Calculator averages 4.8 from 375 ratings.
Do iSafe Pro or Panecal Plus Sci. Calculator have ads?
iSafe Pro shows ads; Panecal Plus Sci. Calculator does not.
Which is updated more often, iSafe Pro or Panecal Plus Sci. Calculator?
iSafe Pro ships an update fortnightly, and Panecal Plus Sci. Calculator every 3 months. Most recently, iSafe Pro was updated on October 27, 2026 and Panecal Plus Sci. Calculator on October 26, 2026.

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