Comparison

Function Calc vs JournalReminders

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

JournalReminders

This app combines a to-do list with journaling features. It syncs with your device's reminders, offers smart delay options, and allows you to write and review journal entries. "On This Day" helps you revisit past experiences.

Highlights
  • Syncs with Reminders app
  • Smart Delay for reminders
  • Journal entry creation
  • Review completed reminders
  • "On This Day" feature
  • Calendar event integration
Features
Read full description

To-do list app with timer. Reminders tab • Syncs with Reminders app. (Required.) • Favorites for quick reminder creation. • Smart Delay scatters reminders throughout today or a month. Write tab • Write journal entries. Review tab • Review today's completed reminders before saving to journal. Read tab • Read journal entries. • "On This Day" shows past entries from the same date. See where you spent time. Settings tab • Copy Calendar events to Reminders. Support: vibecoder.company@gmail.com

Screenshots

Function Calc4 screens
JournalReminders4 screens

Verdict

The call

The clearest difference is review sentiment: Function Calc at 80% against JournalReminders's 50%. JournalReminders's advantage is update cadence (every 2 weeks vs monthly) and device support (3 vs 1). 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.

UpkeepUpdate frequency

Function Calc ships an update monthly, JournalReminders every 2 weeks. Both last shipped on October 7, 2026.

Scorecard3 real differences · 7 level
Function Calc versus JournalReminders: the parameters behind the verdict, then further details
ParameterFunction CalcJournalReminders
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews80.0% of reviews — better50.0% of reviews
Number of ratings3 — better—
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS18.618.1 — better
Further details — not scored
Size5 MB15 MB
Age rating4++4
DeveloperHugh PelhamSeung-Un Ham

Customer experience

Function Calc

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

JournalReminders

Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

Function Calc

No in-app purchases

None

JournalReminders

No in-app purchases

Questions

Is Function Calc free?
Function Calc is free to download, with no in-app purchases.
Is JournalReminders free?
JournalReminders is free to download, with no in-app purchases.
Do Function Calc or JournalReminders have ads?
Neither Function Calc nor JournalReminders shows ads.
Which is updated more often, Function Calc or JournalReminders?
Function Calc ships an update monthly, and JournalReminders every 2 weeks. Most recently, Function Calc was updated on October 7, 2026 and JournalReminders on October 7, 2026.

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