Comparison

Function Calc vs myPi

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

Head to head
About

Function Calc

This app offers a powerful, programmable scientific calculator with graphing capabilities. It allows users to create custom functions, store equations, and perform complex calculations with ease. The interface features a visible tape display and supports dictation for statistical analysis.

Highlights
  • Programmable custom functions
  • Graphing capabilities
  • Tape display with edit/undo
  • Unit conversions (120+)
  • Dictate calculations
  • Export graphs (PDF, PNG)
Features
Read full description

A full-function, programmable, graphing scientific calculator designed to be very quick and easy to use, but with the added power of customisation. Tape display is visible while you type, and a swipe away from full screen view. Select and directly input any number from tape, undo or edit calculations. Easily create and use custom functions, store equations and useful numbers, use complex functions with multiple variables - fully programmable. Plot functions on a zoomable graph, export a high-resolution pdf copy. Dictate calculations and numbers for statistical analysis, with instant results. Completely free. • no adverts, no in-app purchases. • full set of scientific functions, unlimited nested brackets. • swipe to undo, step by step. • easily edit calculations and re-calculate. • optionally enter and edit calculations in standard maths format, rather than calculator order. • visible memory store. • tape output shows all calculations – swipe for full screen. • never type the same number twice – direct input from tape. • instantly convert between more than 120 different units. • zoomable text for easy reading and editing. • fully editable useful numbers page – store constants, conversion factors, commonly used numbers, tappable URLs or email addresses, or any text. • create, store and use functions for unit conversions or calculations, as simple as copy and paste. • dictate calculations, or lists of numbers for statistical analysis, get instant results. • create, edit and use complex functions with up to ten inputs or outputs – solve quadratic and cubic equations, calculate mortgage payments, compound interest, body mass index, triangles, the day of the week for any date, sunrise and sunset times and direction for any date and place, statistics (including normal, Student's T, Chi Square and F cumulative probability functions) and more – create or keep exactly what is useful, edit or delete what isn’t. 50 functions included. • fully zoomable graphing capability, plot one or two functions on a graph. Export PNG or high-resolution large pdf copies. • ideal for complex or repetitive tasks – custom functions reduce errors. • full help included.

About

myPi

Enhance employee productivity with a fast and lightweight platform for efficient task completion. Streamline workflows and boost operational efficiency.

Highlights
  • Task completion
  • Efficient workflows
  • Lightweight platform
  • Productivity enhancement
Features
Read full description

MyPI App is designed to improve the productivity of employees by providing them with a fast and lightweight platform that can help them complete their tasks efficiently.

Screenshots

Function Calc4 screens
myPi4 screens

Verdict

The call

The clearest difference is review sentiment: Function Calc at 80% against myPi's 50%. myPi's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.6). On price, update cadence, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Function Calc ships an update monthly, myPi every 5 weeks. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

Scorecard3 real differences · 7 level
Function Calc versus myPi: the parameters behind the verdict, then further details
ParameterFunction CalcmyPi
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews80.0% of reviews — better50.0% of reviews
Number of ratings3 — better—
Update frequencyMonthly — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.615.6 — better
Further details — not scored
Size5 MB46 MB
Age rating4+17+
DeveloperHugh PelhamPI Industries

Customer experience

Function Calc

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

myPi

Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Function Calc

No in-app purchases

None

myPi

No in-app purchases

Questions

Is Function Calc free?
Function Calc is free to download, with no in-app purchases.
Is myPi free?
myPi is free to download, with no in-app purchases.
Do Function Calc or myPi have ads?
Neither Function Calc nor myPi shows ads.
Which is updated more often, Function Calc or myPi?
Function Calc ships an update monthly, and myPi every 5 weeks. Most recently, Function Calc was updated on October 24, 2026 and myPi on October 19, 2026.

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