Comparison

Tri vs Panecal Scientific Calculator

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

Head to head
About

Tri

This utility app provides the formula and value for calculating triangle properties. It's designed for quick access to mathematical formulas related to triangles.

Highlights
  • Triangle formula display
  • Value calculation
  • Quick access utility
  • Mathematical formulas
Features
Read full description

App to display a formula and value of a triangle.

About

Panecal Scientific Calculator

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Highlights
  • Formula editing with cursor and swipe
  • Reuse past formulas
  • Variable memory for calculations
  • Binary, octal, decimal, hexadecimal conversion
  • M+/M- memory functions
  • Angle unit settings (DEG, RAD, GRAD)
Features
Read full description

[Description] Panecal is a scientific calculator app that lets you display and modify formulas. By allowing you to review your formulas as you type, it helps prevent typos and calculation errors. You can also reuse past formulas and utilize variable memory to recalculate by changing only specific values. The on-screen cursor allows you to quickly navigate to where you want to edit by tapping or using the arrow keys. Featuring a powerful, flexible, and intuitive user interface, the app also supports swiping to scroll through formulas and long-pressing to copy and paste. [Features] - Recalculate easily using past formulas - Effortless editing with cursor navigation and screen swiping - Copy and paste formula text - History log for both formulas and calculation results - Binary, octal, decimal, and hexadecimal calculation and conversion (Up to 32-bit) - M+/M- memory functions and variable memory (A–F) - Support for arithmetic operations, inverse trigonometric functions, logarithmic functions, power/root functions, factorials, absolute values, percentage calculations, modulo operations, and polar/cartesian coordinate conversion - Multiple angle units (DEG, RAD, GRAD) -Multiple display formats: Normal (standard), Fix (fixed decimal), Sci (significant figures), and Eng (engineering notation in multiples of 3) -Customizable decimal point characters and grouping separators [Disclaimer] Please note that Appsys accepts no responsibility for any damages, lost profits, or claims from third parties arising from the use of this software.

Screenshots

Tri4 screens
Panecal Scientific Calculator4 screens

Verdict

The call

The clearest difference is ratings volume: Panecal Scientific Calculator at 2K against Tri's 1. Panecal Scientific Calculator also leads on update cadence (every 2 months vs every 12 months) and iOS requirement (12.0 vs 15.6). Tri's advantage is review sentiment (100% vs 76%) and rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Tri holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Panecal Scientific Calculator has 2K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Tri's written reviews are positive against 76% of Panecal Scientific Calculator's.

UpkeepUpdate frequency

Tri ships an update every 12 months, Panecal Scientific Calculator every 2 months. The most recent releases landed on October 20, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
Tri versus Panecal Scientific Calculator: the parameters behind the verdict, then further details
ParameterTriPanecal Scientific Calculator
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (2K ratings)
Positive reviews100.0% of reviews — better75.8% of reviews
Number of ratings12K — better
Update frequencyEvery 12 monthsEvery 2 months — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.612.0 — better
Further details — not scored
Size4 MB34 MB
Age rating4+4+
DeveloperThirdware.jpNoriyasu Kutsuzawa

Customer experience

Tri

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Panecal Scientific Calculator

All ratings1,947 ratings
Positive94.9%
Neutral2.3%
Negative2.8%
Written reviews670 reviews
Positive75.8%
Neutral7.0%
Negative17.2%

Bugs and requests

Tri

Not enough reviews yet to summarise bugs or requests.

Panecal Scientific Calculator

Reported bugs

3 issues
  • Inability to switch back from Bin mode
  • Calculation history not scrolling properly
  • Inconsistent behavior with certain operations

Requested features

5 requests
  • Unit conversion tools
  • Customizable font and icon
  • Ability to rotate screen
  • More advanced programming features
  • Improved order of operations handling

In-app purchases

None

Tri

No in-app purchases

None

Panecal Scientific Calculator

No in-app purchases

Questions

Is Tri free?
Tri is free to download, with no in-app purchases.
Is Panecal Scientific Calculator free?
Panecal Scientific Calculator is free to download, with no in-app purchases.
Which has better reviews, Tri or Panecal Scientific Calculator?
Tri is rated higher. Tri averages 5.0 out of 5 from 1 ratings, while Panecal Scientific Calculator averages 4.8 from 2K ratings.
Do Tri or Panecal Scientific Calculator have ads?
Both Tri and Panecal Scientific Calculator show ads.
Which is updated more often, Tri or Panecal Scientific Calculator?
Tri ships an update every 12 months, and Panecal Scientific Calculator every 2 months. Most recently, Tri was updated on October 20, 2026 and Panecal Scientific Calculator on October 29, 2026.

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