Function Calc vs JournalReminders
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Programmable custom functions
- Graphing capabilities
- Tape display with edit/undo
- Unit conversions (120+)
- Dictate calculations
- Export graphs (PDF, PNG)
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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.
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.
- Syncs with Reminders app
- Smart Delay for reminders
- Journal entry creation
- Review completed reminders
- "On This Day" feature
- Calendar event integration
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Function Calc ships an update monthly, JournalReminders every 2 weeks. Both last shipped on October 7, 2026.
| Parameter | Function Calc | JournalReminders |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 80.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, Apple Watch — better |
| Requires iOS | 18.6 | 18.1 — better |
| Further details — not scored | ||
| Size | 5 MB | 15 MB |
| Age rating | 4+ | +4 |
| Developer | Hugh Pelham | Seung-Un Ham |
Customer experience
Function Calc
JournalReminders
In-app purchases
Function Calc
No in-app purchases
JournalReminders
No in-app purchases
Questions
Is Function Calc free?
Is JournalReminders free?
Do Function Calc or JournalReminders have ads?
Which is updated more often, Function Calc or JournalReminders?
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